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  • Print publication year: 2014
  • Online publication date: December 2014

Chapter 15 - Fine-needle aspiration of the pancreas

References

Acute pancreatitis
Eloubeidi MA, Gress FG, Savides TJ, et al. Acute pancreatitis after EUS-guided FNA of solid pancreatic masses: a pooled analysis from EUS centers in the United States. Gastrointest Endosc 2004; 60(3): 385–9.
Eloubeidi MA, Tamhane A, Varadarajulu S, Wilcox CM. Frequency of major complications after EUS-guided FNA of solid pancreatic masses: a prospective evaluation. Gastrointest Endosc 2006; 63(4): 622–9.
O’Toole D, Palazzo L, Arotcarena R, et al. Assessment of complications of EUS-guided fine-needle aspiration. Gastrointest Endosc 2001; 53(4): 470–4.
Wada K, Takada T, Hirata K, et al. Treatment strategy for acute pancreatitis. J Hepatobiliary Pancreat Sci 2010; 17(1): 79–86.
Weynand B, Deprez P. Endoscopic ultrasound guided fine needle aspiration in biliary and pancreatic diseases: pitfalls and performances. Acta Gastroenterol Belg 2004; 67(3): 294–300.
Chronic pancreatitis
Iglesias-Garcia J, Abdulkader I, Larino-Noia J, Forteza J, Dominguez-Munoz JE. Histological evaluation of chronic pancreatitis by endoscopic ultrasound-guided fine needle biopsy. Gut 2006; 55(11): 1661–2.
Jarboe EA, Layfield LJ. Cytologic features of pancreatic intraepithelial neoplasia and pancreatitis: potential pitfalls in the diagnosis of pancreatic ductal carcinoma. Diagn Cytopathol 2011; 39(8): 575–81.
Levy MJ, Wiersema MJ, Chari ST. Chronic pancreatitis: focal pancreatitis or cancer? Is there a role for FNA/biopsy? Autoimmune pancreatitis. Endoscopy 2006; 38(1): S30–5.
Marchevsky AM, Nelson V, Martin SE, et al. Telecytology of fine-needle aspiration biopsies of the pancreas: a study of well-differentiated adenocarcinoma and chronic pancreatitis with atypical epithelial repair changes. Diagn Cytopathol 2003; 28(3): 147–52.
Siddiqui AA, Kowalski TE, Shahid H, et al. False-positive EUS-guided FNA cytology for solid pancreatic lesions. Gastrointest Endosc 2011; 74(3): 535–40.
Stelow EB, Bardales RH, Lai R, et al. The cytological spectrum of chronic pancreatitis. Diagn Cytopathol 2005; 32(2): 65–9.
Varadarajulu S, Tamhane A, Eloubeidi MA. Yield of EUS-guided FNA of pancreatic masses in the presence or the absence of chronic pancreatitis. Gastrointest Endosc 2005; 62(5): 728–36; quiz 751, 753.
Autoimmune pancreatitis
Deshpande V, Mino-Kenudson M, Brugge WR, et al. Endoscopic ultrasound guided fine needle aspiration biopsy of autoimmune pancreatitis: diagnostic criteria and pitfalls. Am J Surg Pathol 2005; 29(11): 1464–71.
Dhall D, Suriawinata AA, Tang LH, Shia J, Klimstra DS. Use of immunohistochemistry for IgG4 in the distinction of autoimmune pancreatitis from peritumoral pancreatitis. Hum Pathol 2010; 41(5): 643–52.
Holmes BJ, Hruban RH, Wolfgang CL, Ali SZ. Fine needle aspirate of autoimmune pancreatitis (lymphoplasmacytic sclerosing pancreatitis): cytomorphologic characteristics and clinical correlates. Acta Cytol 2012; 56(3): 228–32.
Kanno A, Ishida K, Hamada S, et al. Diagnosis of autoimmune pancreatitis by EUS-FNA by using a 22-gauge needle based on the International Consensus Diagnostic Criteria. Gastrointest Endosc 2012; 76(3): 594–602.
Mizuno N, Bhatia V, Hosoda W, et al. Histological diagnosis of autoimmune pancreatitis using EUS-guided Trucut biopsy: a comparison study with EUS-FNA. J Gastroenterol 2009; 44(7): 742–50.
Notohara K, Burgart LJ, Yadav D, Chari S, Smyrk TC. Idiopathic chronic pancreatitis with periductal lymphoplasmacytic infiltration: clinicopathologic features of 35 cases. Am J Surg Pathol 2003; 27(8): 1119–27.
Zhang L, Notohara K, Levy MJ, Chari ST, Smyrk TC. IgG4-positive plasma cell infiltration in the diagnosis of autoimmune pancreatitis. Mod Pathol 2007; 20(1): 23–8.
Pancreatic pseudocyst
Chung KH, Ryu JK, Oh HS, et al. Pancreatic pseudocyst after endoscopic ultrasound-guided fine needle aspiration of pancreatic mass. Clin Endosc 2012; 45(4): 431–4.
Lim LG, Lakhtakia S, Ang TL, et al. Factors determining diagnostic yield of endoscopic ultrasound guided fine-needle aspiration for pancreatic cystic lesions: a multicentre Asian study. Dig Dis Sci 2013; 58(6): 1751–7.
Lymphoepithelial pseudocyst
Ahlawat SK. Lymphoepithelial cyst of pancreas. Role of endoscopic ultrasound guided fine needle aspiration. JOP 2008; 9(2): 230–4.
Foley KG, Christian A, Roberts SA. EUS-FNA diagnosis of a pancreatic lymphoepithelial cyst: three-year imaging follow-up. JOP 2012; 13(6): 681–3.
Jian B, Kimbrell HZ, Sepulveda A, Yu G. Lymphoepithelial cysts of the pancreas: endosonography-guided fine needle aspiration. Diagn Cytopathol 2008; 36(9): 662–5.
Karim Z, Walker B, Lam E. Lymphoepithelial cysts of the pancreas: the use of endoscopic ultrasound-guided fine-needle aspiration in diagnosis. Can J Gastroenterol 2010; 24(6): 348–50.
Zhu LC, Grieco V. Diagnostic value of unusual gross appearance of aspirated material from endoscopic ultrasound-guided fine needle aspiration of pancreatic and peripancreatic cystic lesions. Acta Cytol 2008; 52(5): 535–40.
Ductal adenocarcinoma
Brugge WR. Endoscopic approach to the diagnosis and treatment of pancreatic disease. Curr Opin Gastroenterol 2013; 29(5): 559–65.
Caglar E, Senturk H, Atasoy D, et al. The role of EUS and EUS-FNA in the management of pancreatic masses: five-year experience. Hepatogastroenterology 2013; 60(124): 896–9.
David O, Green L, Reddy V, et al. Pancreatic masses: a multi-institutional study of 364 fine-needle aspiration biopsies with histopathologic correlation. Diagn Cytopathol 1998; 19(6): 423–7.
Hébert-Magee S, Bae S, Varadarajulu S, et al. The presence of a cytopathologist increases the diagnostic accuracy of endoscopic ultrasound-guided fine needle aspiration cytology for pancreatic adenocarcinoma: a meta-analysis. Cytopathology 2013; 24(3): 159–71.
Horn A, Chakraborty S, Dey P, et al. Immunocytochemistry for MUC4 and MUC16 is a useful adjunct in the diagnosis of pancreatic adenocarcinoma on fine-needle aspiration cytology. Arch Pathol Lab Med 2013; 137(4): 546–51.
Jemal A, Siegel R, Xu J, Ward E. Cancer statistics, 2010. CA Cancer J Clin 2010; 60(5): 277–300.
Khalid A, Dewitt J, Ohori NP, et al. EUS-FNA mutational analysis in differentiating autoimmune pancreatitis and pancreatic cancer. Pancreatology 2011; 11(5): 482–6.
Mizuno N, Hara K, Hijioka S, et al. Current concept of endoscopic ultrasound-guided fine needle aspiration for pancreatic cancer. Pancreatology 2011; 11(2): 40–6.
Ogura T, Yamao K, Sawaki A, et al. Clinical impact of K-ras mutation analysis in EUS-guided FNA specimens from pancreatic masses. Gastrointest Endosc 2012; 75(4): 769–74.
Olson MT, Siddiqui MT, Ali SZ. The differential diagnosis of squamous cells in pancreatic aspirates: from contamination to adenosquamous carcinoma. Acta Cytol 2013; 57(2): 139–46.
Siddiqui AA, Brown LJ, Hong SK, et al. Relationship of pancreatic mass size and diagnostic yield of endoscopic ultrasound-guided fine needle aspiration. Dig Dis Sci 2011; 56(11): 3370–5.
Silverman JF, Finley JL, MacDonald KG Jr. Fine-needle aspiration cytology of osteoclastic giant-cell tumor of the pancreas. Diagn Cytopathol 1990; 6(5): 336–40.
Wang X, Gao J, Ren Y, et al. Detection of KRAS gene mutations in endoscopic ultrasound-guided fine-needle aspiration biopsy for improving pancreatic cancer diagnosis. Am J Gastroenterol 2011; 106(12): 2104–11.
Mucinous cysts
Mucinous cystic neoplasms
Attasaranya S, Pais S, LeBlanc J, et al. Endoscopic ultrasound-guided fine needle aspiration and cyst fluid analysis for pancreatic cysts. JOP 2007; 8(5): 553–63.
Emerson RE, Randolph ML, Cramer HM. Endoscopic ultrasound-guided fine-needle aspiration cytology diagnosis of intraductal papillary mucinous neoplasm of the pancreas is highly predictive of pancreatic neoplasia. Diagn Cytopathol 2006; 34(7): 457–62.
Khalid A, Zahid M, Finkelstein SD, et al. Pancreatic cyst fluid DNA analysis in evaluating pancreatic cysts: a report of the PANDA study. Gastrointest Endosc 2009; 69(6): 1095–102.
Linder JD, Geenen JE, Catalano MF. Cyst fluid analysis obtained by EUS-guided FNA in the evaluation of discrete cystic neoplasms of the pancreas: a prospective single-center experience. Gastrointest Endosc 2006; 64(5): 697–702.
Maire F, Couvelard A, Hammel P, et al. Intraductal papillary mucinous tumors of the pancreas: the preoperative value of cytologic and histopathologic diagnosis. Gastrointest Endosc 2003; 58(5): 701–6.
O’Toole D, Palazzo L, Hammel P, et al. Macrocystic pancreatic cystadenoma: the role of EUS and cyst fluid analysis in distinguishing mucinous and serous lesions. Gastrointest Endosc 2004; 59(7): 823–9.
Recine M, Kaw M, Evans DB, Krishnamurthy S. Fine-needle aspiration cytology of mucinous tumors of the pancreas. Cancer 2004; 102(2): 92–9.
Thosani N, Thosani S, Qiao W, et al. Role of EUS-FNA-based cytology in the diagnosis of mucinous pancreatic cystic lesions: a systematic review and meta-analysis. Dig Dis Sci 2010; 55(10): 2756–66.
Zhai J, Sarkar R, Ylagan L. Pancreatic mucinous lesions: a retrospective analysis with cytohistological correlation. Diagn Cytopathol 2006; 34(11): 724–30.
Zhan XB, Wang B, Liu F, et al. Cyst fluid carcinoembryonic antigen concentration and cytology by endosonography-guided fine needle aspiration in predicting malignant pancreatic mucinous cystic neoplasms. J Dig Dis 2013; 14(4): 191–5.
Intraductal papillary mucinous neoplasm (IPMN)
Emerson RE, Randolph ML, Cramer HM. Endoscopic ultrasound-guided fine-needle aspiration cytology diagnosis of intraductal papillary mucinous neoplasm of the pancreas is highly predictive of pancreatic neoplasia. Diagn Cytopathol 2006; 34(7): 457–62.
Hong SK, Loren DE, Rogart JN, et al. Targeted cyst wall puncture and aspiration during EUS-FNA increases the diagnostic yield of premalignant and malignant pancreatic cysts. Gastrointest Endosc 2012; 75(4): 775–82.
Layfield LJ, Cramer H. Fine-needle aspiration cytology of intraductal papillary-mucinous tumors: a retrospective analysis. Diagn Cytopathol 2005; 32(1): 16–20.
Lee SY, Choi DW, Jang KT, et al. High expression of intestinal-type mucin (MUC2) in intraductal papillary mucinous neoplasms coexisting with extrapancreatic gastrointestinal cancers. Pancreas 2006; 32(2): 186–9.
Michaels PJ, Brachtel EF, Bounds BC, Brugge WR, Pitman MB. Intraductal papillary mucinous neoplasm of the pancreas: cytologic features predict histologic grade. Cancer 2006; 108(3): 163–73.
Pais SA, Attasaranya S, Leblanc JK, et al. Role of endoscopic ultrasound in the diagnosis of intraductal papillary mucinous neoplasms: correlation with surgical histopathology. Clin Gastroenterol Hepatol 2007; 5(4): 489–95.
Pitman MB, Genevay M, Yaeger K, et al. High-grade atypical epithelial cells in pancreatic mucinous cysts are a more accurate predictor of malignancy than “positive” cytology. Cancer Cytopathol 2010; 118(6): 434–40.
Schoedel KE, Finkelstein SD, Ohori NP. K-Ras and microsatellite marker analysis of fine-needle aspirates from intraductal papillary mucinous neoplasms of the pancreas. Diagn Cytopathol 2006; 34(9): 605–8.
Sole M, Iglesias C, Fernandez-Esparrach G, et al. Fine-needle aspiration cytology of intraductal papillary mucinous tumors of the pancreas. Cancer 2005; 105(5): 298–303.
Thornton GD, McPhail MJ, Nayagam S, et al. Endoscopic ultrasound guided fine needle aspiration for the diagnosis of pancreatic cystic neoplasms: a meta-analysis. Pancreatology 2013; 13(1): 48–57.
Yamaguchi T, Shirai Y, Ishihara T, et al. Pancreatic juice cytology in the diagnosis of intraductal papillary mucinous neoplasm of the pancreas: significance of sampling by peroral pancreatoscopy. Cancer 2005; 104(12): 2830–6.
Zhai J, Sarkar R, Ylagan L. Pancreatic mucinous lesions: a retrospective analysis with cytohistological correlation. Diagn Cytopathol 2006; 34(11): 724–30.
Serous cystadenoma
Belsley NA, Pitman MB, Lauwers GY, Brugge WR, Deshpande V. Serous cystadenoma of the pancreas: limitations and pitfalls of endoscopic ultrasound-guided fine-needle aspiration biopsy. Cancer 2008; 114(2): 102–10.
Collins BT. Serous cystadenoma of the pancreas with endoscopic ultrasound fine needle aspiration biopsy and surgical correlation. Acta Cytol 2013; 57(3): 241–51.
Huang P, Staerkel G, Sneige N, Gong Y. Fine-needle aspiration of pancreatic serous cystadenoma: cytologic features and diagnostic pitfalls. Cancer 2006; 108(4): 239–49.
Lal A, Bourtsos EP, DeFrias DV, Nemcek AA, Nayar R. Microcystic adenoma of the pancreas: clinical, radiologic, and cytologic features. Cancer 2004; 102(5): 288–94.
Linder JD, Geenen JE, Catalano MF. Cyst fluid analysis obtained by EUS-guided FNA in the evaluation of discrete cystic neoplasms of the pancreas: a prospective single-center experience. Gastrointest Endosc 2006; 64(5): 697–702.
Recine M, Kaw M, Evans DB, Krishnamurthy S. Fine-needle aspiration cytology of mucinous tumors of the pancreas. Cancer 2004; 102(2): 92–9.
Solid-pseudopapillary neoplasm
Bardales RH, Centeno B, Mallery JS, et al. Endoscopic ultrasound-guided fine-needle aspiration cytology diagnosis of solid-pseudopapillary tumor of the pancreas: a rare neoplasm of elusive origin but characteristic cytomorphologic features. Am J Clin Pathol 2004; 121(5): 654–62.
Bhanot P, Nealon WH, Walser EM, et al. Clinical, imaging, and cytopathological features of solid pseudopapillary tumor of the pancreas: a clinicopathologic study of three cases and review of the literature. Diagn Cytopathol 2005; 33(6): 421–8.
Chatzipantelis P, Salla C, Apostolou G, et al. Endoscopic ultrasound-guided fine needle aspiration cytology diagnosis of solid pseudopapillary tumor of the pancreas: a report of 3 cases. Acta Cytol 2010; 54(5): 701–6.
Jani N, Dewitt J, Eloubeidi M, et al. Endoscopic ultrasound-guided fine-needle aspiration for diagnosis of solid pseudopapillary tumors of the pancreas: a multicenter experience. Endoscopy 2008; 40(3): 200–3.
Mariappan MR, Fadare O, Jain D, Chacho MS. Diagnostic intraoperative imprint cytology of a solid pseudopapillary tumor of the pancreas. Diagn Cytopathol 2005; 32(6): 351–2.
Master SS, Savides TJ. Diagnosis of solid-pseudopapillary neoplasm of the pancreas by EUS-guided FNA. Gastrointest Endosc 2003; 57(7): 965–8.
Pettinato G, Di Vizio D, Manivel JC, et al. Solid-pseudopapillary tumor of the pancreas: a neoplasm with distinct and highly characteristic cytological features. Diagn Cytopathol 2002; 27(6): 325–34.
Samad A, Shah AA, Stelow EB, et al. Cercariform cells: another cytologic feature distinguishing solid pseudopapillary neoplasms from pancreatic endocrine neoplasms and acinar cell carcinomas in endoscopic ultrasound-guided fine-needle aspirates. Cancer Cytopathol 2013; 121(6): 298–310.
Tomsova M, Ryska A, Podhola M, Pohnetalova D. Solid and papillary epithelial tumor of the pancreas: cytologic and histologic features. Cesk Patol 2002; 38(4): 178–82.
Zhao P, Debrito P, Ozdemirli M, Sidawy MK. Solid-pseudopapillary neoplasm of the pancreas: awareness of unusual clinical presentations and morphology of the clear cell variant can prevent diagnostic errors. Diagn Cytopathol 2013; 41(10): 88–95.
Pancreatoblastoma
Hasegawa Y, Ishida Y, Kato K, et al. Pancreatoblastoma. A case report with special emphasis on squamoid corpuscles with optically clear nuclei rich in biotin. Acta Cytol 2003; 47(4): 679–84.
Henke AC, Kelley CM, Jensen CS, Timmerman TG. Fine-needle aspiration cytology of pancreatoblastoma. Diagn Cytopathol 2001; 25(2): 118–21.
Pitman MB, Faquin WC. The fine-needle aspiration biopsy cytology of pancreatoblastoma. Diagn Cytopathol 2004; 31(6): 402–6.
Rajpal S, Warren RS, Alexander M, et al. Pancreatoblastoma in an adult: case report and review of the literature. J Gastrointest Surg 2006; 10(6): 829–36.
Silverman JF, Holbrook CT, Pories WJ, Kodroff MB, Joshi VV. Fine needle aspiration cytology of pancreatoblastoma with immunocytochemical and ultrastructural studies. Acta Cytol 1990; 34(5): 632–40.
Zhu LC, Sidhu GS, Cassai ND, Yang GC. Fine-needle aspiration cytology of pancreatoblastoma in a young woman: report of a case and review of the literature. Diagn Cytopathol 2005; 33(4): 258–62.
Acinar cell carcinoma
Das DK, Bhambhani S, Kumar N, et al. MicroRNA expression abnormalities in pancreatic endocrine and acinar tumors are associated with distinctive pathologic features and clinical behavior. J Clin Oncol 2006; 24(29): 4677–84.
Hosoda W, Sasaki E, Murakami Y, et al. BCL10 as a useful marker for pancreatic acinar cell carcinoma, especially using endoscopic ultrasound cytology specimens. Pathol Int 2013; 63(3): 176–82.
Ishihara A, Sanda T, Takanari H, Yatani R, Liu PI. Elastase-1-secreting acinar cell carcinoma of the pancreas. A cytologic, electron microscopic and histochemical study. Acta Cytol 1989; 33(2): 157–63.
Labate AM, Klimstra DL, Zakowski MF. Comparative cytologic features of pancreatic acinar cell carcinoma and islet cell tumor. Diagn Cytopathol 1997; 16(2): 112–16.
Ohori NP, Khalid A, Etemad B, Finkelstein SD. Multiple loss of heterozygosity without K-ras mutation identified by molecular analysis on fine-needle aspiration cytology specimen of acinar cell carcinoma of pancreas. Diagn Cytopathol 2002; 27(1): 42–6.
Rouleau C, Serre I, Roger P, et al. Acinar cell carcinoma of the pancreas in a young patient with cells immunoreactive for somatostatin. Histopathology 2006; 48(3): 307–9.
Samuel LH, Frierson HF Jr. Fine needle aspiration cytology of acinar cell carcinoma of the pancreas: a report of two cases. Acta Cytol 1996; 40(3): 585–91.
Stelow EB, Bardales RH, Shami VM, et al. Cytology of pancreatic acinar cell carcinoma. Diagn Cytopathol 2006; 34(5): 367–72.
Pancreatic endocrine neoplasm
Chang F, Chandra A, Culora G, et al. Cytologic diagnosis of pancreatic endocrine tumors by endoscopic ultrasound-guided fine-needle aspiration: a review. Diagn Cytopathol 2006; 34(9): 649–58.
Chang F, Vu C, Chandra A, Meenan J, Herbert A. Endoscopic ultrasound-guided fine needle aspiration cytology of pancreatic neuroendocrine tumours: cytomorphological and immunocytochemical evaluation. Cytopathology 2006; 17(1): 10–17.
Chatzipantelis P, Salla C, Konstantinou P, et al. Endoscopic ultrasound-guided fine-needle aspiration cytology of pancreatic neuroendocrine tumors: a study of 48 cases. Cancer 2008; 114(4): 255–62.
Gu M, Ghafari S, Lin F, Ramzy I. Cytological diagnosis of endocrine tumors of the pancreas by endoscopic ultrasound-guided fine-needle aspiration biopsy. Diagn Cytopathol 2005; 32(4): 204–10.
Ozcan A, Shen SS, Hamilton C, et al. PAX 8 expression in non-neoplastic tissues, primary tumors, and metastatic tumors: a comprehensive immunohistochemical study. Mod Pathol 2011; 24(6): 751–64.
Sangoi AR, Ohgami RS, Pai RK, et al. PAX8 expression reliably distinguishes pancreatic well-differentiated neuroendocrine tumors from ileal and pulmonary well-differentiated neuroendocrine tumors and pancreatic acinar cell carcinoma. Mod Pathol 2011; 24(3): 412–24.
Shaw JA, Vance RP, Geisinger KR, Marshall RB. Islet cell neoplasms. A fine-needle aspiration cytology study with immunocytochemical correlations. Am J Clin Pathol 1990; 94(2): 142–9.
Sneige N, Ordonez NG, Veanattukalathil S, Samaan NA. Fine-needle aspiration cytology in pancreatic endocrine tumors. Diagn Cytopathol 1987; 3(1): 35–40.
Wick MR, Graeme-Cook FM. Pancreatic neuroendocrine neoplasms: a current summary of diagnostic, prognostic, and differential diagnostic information. Am J Clin Pathol 2001; 115: S28–45.
Yoon WJ, Daglilar ES, Pitman MB, Brugge WR. Cystic pancreatic neuroendocrine tumors: endoscopic ultrasound and fine-needle aspiration characteristics. Endoscopy 2013; 45(3): 189–94.
Metastatic tumors
Bechade D, Palazzo L, Fabre M, Algayres JP. EUS-guided FNA of pancreatic metastasis from renal cell carcinoma. Gastrointest Endosc 2003; 58(5): 784–8.
Carson HJ, Green LK, Castelli MJ, et al. Utilization of fine-needle aspiration biopsy in the diagnosis of metastatic tumors to the pancreas. Diagn Cytopathol 1995; 12(1): 8–13.
David O, Green L, Reddy V, et al. Pancreatic masses: a multi-institutional study of 364 fine-needle aspiration biopsies with histopathologic correlation. Diagn Cytopathol 1998; 19(6): 423–7.
DeWitt J, Jowell P, Leblanc J, et al. EUS-guided FNA of pancreatic metastases: a multicenter experience. Gastrointest Endosc 2005; 61(6): 689–96.
Eloubeidi MA, Jhala D, Chhieng DC, et al. Multiple late asymptomatic pancreatic metastases from renal cell carcinoma: diagnosis by endoscopic ultrasound-guided fine needle aspiration biopsy with immunocytochemical correlation. Dig Dis Sci 2002; 47(8): 1839–42.
Gagovic V, Spier BJ, DeLee RJ, et al. Endoscopic ultrasound fine-needle aspiration characteristics of primary adenocarcinoma versus other malignant neoplasms of the pancreas. Can J Gastroenterol 2012; 26(10): 691–6.
Hijioka S, Matsuo K, Mizuno N, et al. Role of endoscopic ultrasound and endoscopic ultrasound-guided fine-needle aspiration in diagnosing metastasis to the pancreas: a tertiary center experience. Pancreatology 2011; 11(4): 390–8.
Li Z, Zhang S, Vasdani N, Castillo E. Clues for diagnosing primary pancreatic lymphoma. Case Rep Gastroenterol 2012; 6(2): 438–45.
Mesa H, Stelow EB, Stanley MW, et al. Diagnosis of nonprimary pancreatic neoplasms by endoscopic ultrasound-guided fine-needle aspiration. Diagn Cytopathol 2004; 31(5): 313–18.
Silva RG, Dahmoush L, Gerke H. Pancreatic metastasis of an ovarian malignant mixed Mullerian tumor identified by EUS-guided fine needle aspiration and Trucut needle biopsy. JOP 2006; 7(1): 66–9.
Volmar KE, Jones CK, Xie HB. Metastases in the pancreas from nonhematologic neoplasms: report of 20 cases evaluated by fine-needle aspiration. Diagn Cytopathol 2004; 31(4): 216–20.

Acute pancreatitis

Eloubeidi MA, Gress FG, Savides TJ, et al. Acute pancreatitis after EUS-guided FNA of solid pancreatic masses: a pooled analysis from EUS centers in the United States. Gastrointest Endosc 2004; 60(3): 385–9.
Eloubeidi MA, Tamhane A, Varadarajulu S, Wilcox CM. Frequency of major complications after EUS-guided FNA of solid pancreatic masses: a prospective evaluation. Gastrointest Endosc 2006; 63(4): 622–9.
O’Toole D, Palazzo L, Arotcarena R, et al. Assessment of complications of EUS-guided fine-needle aspiration. Gastrointest Endosc 2001; 53(4): 470–4.
Wada K, Takada T, Hirata K, et al. Treatment strategy for acute pancreatitis. J Hepatobiliary Pancreat Sci 2010; 17(1): 79–86.
Weynand B, Deprez P. Endoscopic ultrasound guided fine needle aspiration in biliary and pancreatic diseases: pitfalls and performances. Acta Gastroenterol Belg 2004; 67(3): 294–300.

Chronic pancreatitis

Iglesias-Garcia J, Abdulkader I, Larino-Noia J, Forteza J, Dominguez-Munoz JE. Histological evaluation of chronic pancreatitis by endoscopic ultrasound-guided fine needle biopsy. Gut 2006; 55(11): 1661–2.
Jarboe EA, Layfield LJ. Cytologic features of pancreatic intraepithelial neoplasia and pancreatitis: potential pitfalls in the diagnosis of pancreatic ductal carcinoma. Diagn Cytopathol 2011; 39(8): 575–81.
Levy MJ, Wiersema MJ, Chari ST. Chronic pancreatitis: focal pancreatitis or cancer? Is there a role for FNA/biopsy? Autoimmune pancreatitis. Endoscopy 2006; 38(1): S30–5.
Marchevsky AM, Nelson V, Martin SE, et al. Telecytology of fine-needle aspiration biopsies of the pancreas: a study of well-differentiated adenocarcinoma and chronic pancreatitis with atypical epithelial repair changes. Diagn Cytopathol 2003; 28(3): 147–52.
Siddiqui AA, Kowalski TE, Shahid H, et al. False-positive EUS-guided FNA cytology for solid pancreatic lesions. Gastrointest Endosc 2011; 74(3): 535–40.
Stelow EB, Bardales RH, Lai R, et al. The cytological spectrum of chronic pancreatitis. Diagn Cytopathol 2005; 32(2): 65–9.
Varadarajulu S, Tamhane A, Eloubeidi MA. Yield of EUS-guided FNA of pancreatic masses in the presence or the absence of chronic pancreatitis. Gastrointest Endosc 2005; 62(5): 728–36; quiz 751, 753.

Autoimmune pancreatitis

Deshpande V, Mino-Kenudson M, Brugge WR, et al. Endoscopic ultrasound guided fine needle aspiration biopsy of autoimmune pancreatitis: diagnostic criteria and pitfalls. Am J Surg Pathol 2005; 29(11): 1464–71.
Dhall D, Suriawinata AA, Tang LH, Shia J, Klimstra DS. Use of immunohistochemistry for IgG4 in the distinction of autoimmune pancreatitis from peritumoral pancreatitis. Hum Pathol 2010; 41(5): 643–52.
Holmes BJ, Hruban RH, Wolfgang CL, Ali SZ. Fine needle aspirate of autoimmune pancreatitis (lymphoplasmacytic sclerosing pancreatitis): cytomorphologic characteristics and clinical correlates. Acta Cytol 2012; 56(3): 228–32.
Kanno A, Ishida K, Hamada S, et al. Diagnosis of autoimmune pancreatitis by EUS-FNA by using a 22-gauge needle based on the International Consensus Diagnostic Criteria. Gastrointest Endosc 2012; 76(3): 594–602.
Mizuno N, Bhatia V, Hosoda W, et al. Histological diagnosis of autoimmune pancreatitis using EUS-guided Trucut biopsy: a comparison study with EUS-FNA. J Gastroenterol 2009; 44(7): 742–50.
Notohara K, Burgart LJ, Yadav D, Chari S, Smyrk TC. Idiopathic chronic pancreatitis with periductal lymphoplasmacytic infiltration: clinicopathologic features of 35 cases. Am J Surg Pathol 2003; 27(8): 1119–27.
Zhang L, Notohara K, Levy MJ, Chari ST, Smyrk TC. IgG4-positive plasma cell infiltration in the diagnosis of autoimmune pancreatitis. Mod Pathol 2007; 20(1): 23–8.

Pancreatic pseudocyst

Chung KH, Ryu JK, Oh HS, et al. Pancreatic pseudocyst after endoscopic ultrasound-guided fine needle aspiration of pancreatic mass. Clin Endosc 2012; 45(4): 431–4.
Lim LG, Lakhtakia S, Ang TL, et al. Factors determining diagnostic yield of endoscopic ultrasound guided fine-needle aspiration for pancreatic cystic lesions: a multicentre Asian study. Dig Dis Sci 2013; 58(6): 1751–7.

Lymphoepithelial pseudocyst

Ahlawat SK. Lymphoepithelial cyst of pancreas. Role of endoscopic ultrasound guided fine needle aspiration. JOP 2008; 9(2): 230–4.
Foley KG, Christian A, Roberts SA. EUS-FNA diagnosis of a pancreatic lymphoepithelial cyst: three-year imaging follow-up. JOP 2012; 13(6): 681–3.
Jian B, Kimbrell HZ, Sepulveda A, Yu G. Lymphoepithelial cysts of the pancreas: endosonography-guided fine needle aspiration. Diagn Cytopathol 2008; 36(9): 662–5.
Karim Z, Walker B, Lam E. Lymphoepithelial cysts of the pancreas: the use of endoscopic ultrasound-guided fine-needle aspiration in diagnosis. Can J Gastroenterol 2010; 24(6): 348–50.
Zhu LC, Grieco V. Diagnostic value of unusual gross appearance of aspirated material from endoscopic ultrasound-guided fine needle aspiration of pancreatic and peripancreatic cystic lesions. Acta Cytol 2008; 52(5): 535–40.

Ductal adenocarcinoma

Brugge WR. Endoscopic approach to the diagnosis and treatment of pancreatic disease. Curr Opin Gastroenterol 2013; 29(5): 559–65.
Caglar E, Senturk H, Atasoy D, et al. The role of EUS and EUS-FNA in the management of pancreatic masses: five-year experience. Hepatogastroenterology 2013; 60(124): 896–9.
David O, Green L, Reddy V, et al. Pancreatic masses: a multi-institutional study of 364 fine-needle aspiration biopsies with histopathologic correlation. Diagn Cytopathol 1998; 19(6): 423–7.
Hébert-Magee S, Bae S, Varadarajulu S, et al. The presence of a cytopathologist increases the diagnostic accuracy of endoscopic ultrasound-guided fine needle aspiration cytology for pancreatic adenocarcinoma: a meta-analysis. Cytopathology 2013; 24(3): 159–71.
Horn A, Chakraborty S, Dey P, et al. Immunocytochemistry for MUC4 and MUC16 is a useful adjunct in the diagnosis of pancreatic adenocarcinoma on fine-needle aspiration cytology. Arch Pathol Lab Med 2013; 137(4): 546–51.
Jemal A, Siegel R, Xu J, Ward E. Cancer statistics, 2010. CA Cancer J Clin 2010; 60(5): 277–300.
Khalid A, Dewitt J, Ohori NP, et al. EUS-FNA mutational analysis in differentiating autoimmune pancreatitis and pancreatic cancer. Pancreatology 2011; 11(5): 482–6.
Mizuno N, Hara K, Hijioka S, et al. Current concept of endoscopic ultrasound-guided fine needle aspiration for pancreatic cancer. Pancreatology 2011; 11(2): 40–6.
Ogura T, Yamao K, Sawaki A, et al. Clinical impact of K-ras mutation analysis in EUS-guided FNA specimens from pancreatic masses. Gastrointest Endosc 2012; 75(4): 769–74.
Olson MT, Siddiqui MT, Ali SZ. The differential diagnosis of squamous cells in pancreatic aspirates: from contamination to adenosquamous carcinoma. Acta Cytol 2013; 57(2): 139–46.
Siddiqui AA, Brown LJ, Hong SK, et al. Relationship of pancreatic mass size and diagnostic yield of endoscopic ultrasound-guided fine needle aspiration. Dig Dis Sci 2011; 56(11): 3370–5.
Silverman JF, Finley JL, MacDonald KG Jr. Fine-needle aspiration cytology of osteoclastic giant-cell tumor of the pancreas. Diagn Cytopathol 1990; 6(5): 336–40.
Wang X, Gao J, Ren Y, et al. Detection of KRAS gene mutations in endoscopic ultrasound-guided fine-needle aspiration biopsy for improving pancreatic cancer diagnosis. Am J Gastroenterol 2011; 106(12): 2104–11.

Mucinous cysts

Mucinous cystic neoplasms
Attasaranya S, Pais S, LeBlanc J, et al. Endoscopic ultrasound-guided fine needle aspiration and cyst fluid analysis for pancreatic cysts. JOP 2007; 8(5): 553–63.
Emerson RE, Randolph ML, Cramer HM. Endoscopic ultrasound-guided fine-needle aspiration cytology diagnosis of intraductal papillary mucinous neoplasm of the pancreas is highly predictive of pancreatic neoplasia. Diagn Cytopathol 2006; 34(7): 457–62.
Khalid A, Zahid M, Finkelstein SD, et al. Pancreatic cyst fluid DNA analysis in evaluating pancreatic cysts: a report of the PANDA study. Gastrointest Endosc 2009; 69(6): 1095–102.
Linder JD, Geenen JE, Catalano MF. Cyst fluid analysis obtained by EUS-guided FNA in the evaluation of discrete cystic neoplasms of the pancreas: a prospective single-center experience. Gastrointest Endosc 2006; 64(5): 697–702.
Maire F, Couvelard A, Hammel P, et al. Intraductal papillary mucinous tumors of the pancreas: the preoperative value of cytologic and histopathologic diagnosis. Gastrointest Endosc 2003; 58(5): 701–6.
O’Toole D, Palazzo L, Hammel P, et al. Macrocystic pancreatic cystadenoma: the role of EUS and cyst fluid analysis in distinguishing mucinous and serous lesions. Gastrointest Endosc 2004; 59(7): 823–9.
Recine M, Kaw M, Evans DB, Krishnamurthy S. Fine-needle aspiration cytology of mucinous tumors of the pancreas. Cancer 2004; 102(2): 92–9.
Thosani N, Thosani S, Qiao W, et al. Role of EUS-FNA-based cytology in the diagnosis of mucinous pancreatic cystic lesions: a systematic review and meta-analysis. Dig Dis Sci 2010; 55(10): 2756–66.
Zhai J, Sarkar R, Ylagan L. Pancreatic mucinous lesions: a retrospective analysis with cytohistological correlation. Diagn Cytopathol 2006; 34(11): 724–30.
Zhan XB, Wang B, Liu F, et al. Cyst fluid carcinoembryonic antigen concentration and cytology by endosonography-guided fine needle aspiration in predicting malignant pancreatic mucinous cystic neoplasms. J Dig Dis 2013; 14(4): 191–5.
Intraductal papillary mucinous neoplasm (IPMN)
Emerson RE, Randolph ML, Cramer HM. Endoscopic ultrasound-guided fine-needle aspiration cytology diagnosis of intraductal papillary mucinous neoplasm of the pancreas is highly predictive of pancreatic neoplasia. Diagn Cytopathol 2006; 34(7): 457–62.
Hong SK, Loren DE, Rogart JN, et al. Targeted cyst wall puncture and aspiration during EUS-FNA increases the diagnostic yield of premalignant and malignant pancreatic cysts. Gastrointest Endosc 2012; 75(4): 775–82.
Layfield LJ, Cramer H. Fine-needle aspiration cytology of intraductal papillary-mucinous tumors: a retrospective analysis. Diagn Cytopathol 2005; 32(1): 16–20.
Lee SY, Choi DW, Jang KT, et al. High expression of intestinal-type mucin (MUC2) in intraductal papillary mucinous neoplasms coexisting with extrapancreatic gastrointestinal cancers. Pancreas 2006; 32(2): 186–9.
Michaels PJ, Brachtel EF, Bounds BC, Brugge WR, Pitman MB. Intraductal papillary mucinous neoplasm of the pancreas: cytologic features predict histologic grade. Cancer 2006; 108(3): 163–73.
Pais SA, Attasaranya S, Leblanc JK, et al. Role of endoscopic ultrasound in the diagnosis of intraductal papillary mucinous neoplasms: correlation with surgical histopathology. Clin Gastroenterol Hepatol 2007; 5(4): 489–95.
Pitman MB, Genevay M, Yaeger K, et al. High-grade atypical epithelial cells in pancreatic mucinous cysts are a more accurate predictor of malignancy than “positive” cytology. Cancer Cytopathol 2010; 118(6): 434–40.
Schoedel KE, Finkelstein SD, Ohori NP. K-Ras and microsatellite marker analysis of fine-needle aspirates from intraductal papillary mucinous neoplasms of the pancreas. Diagn Cytopathol 2006; 34(9): 605–8.
Sole M, Iglesias C, Fernandez-Esparrach G, et al. Fine-needle aspiration cytology of intraductal papillary mucinous tumors of the pancreas. Cancer 2005; 105(5): 298–303.
Thornton GD, McPhail MJ, Nayagam S, et al. Endoscopic ultrasound guided fine needle aspiration for the diagnosis of pancreatic cystic neoplasms: a meta-analysis. Pancreatology 2013; 13(1): 48–57.
Yamaguchi T, Shirai Y, Ishihara T, et al. Pancreatic juice cytology in the diagnosis of intraductal papillary mucinous neoplasm of the pancreas: significance of sampling by peroral pancreatoscopy. Cancer 2005; 104(12): 2830–6.
Zhai J, Sarkar R, Ylagan L. Pancreatic mucinous lesions: a retrospective analysis with cytohistological correlation. Diagn Cytopathol 2006; 34(11): 724–30.

Mucinous cystic neoplasms

Attasaranya S, Pais S, LeBlanc J, et al. Endoscopic ultrasound-guided fine needle aspiration and cyst fluid analysis for pancreatic cysts. JOP 2007; 8(5): 553–63.
Emerson RE, Randolph ML, Cramer HM. Endoscopic ultrasound-guided fine-needle aspiration cytology diagnosis of intraductal papillary mucinous neoplasm of the pancreas is highly predictive of pancreatic neoplasia. Diagn Cytopathol 2006; 34(7): 457–62.
Khalid A, Zahid M, Finkelstein SD, et al. Pancreatic cyst fluid DNA analysis in evaluating pancreatic cysts: a report of the PANDA study. Gastrointest Endosc 2009; 69(6): 1095–102.
Linder JD, Geenen JE, Catalano MF. Cyst fluid analysis obtained by EUS-guided FNA in the evaluation of discrete cystic neoplasms of the pancreas: a prospective single-center experience. Gastrointest Endosc 2006; 64(5): 697–702.
Maire F, Couvelard A, Hammel P, et al. Intraductal papillary mucinous tumors of the pancreas: the preoperative value of cytologic and histopathologic diagnosis. Gastrointest Endosc 2003; 58(5): 701–6.
O’Toole D, Palazzo L, Hammel P, et al. Macrocystic pancreatic cystadenoma: the role of EUS and cyst fluid analysis in distinguishing mucinous and serous lesions. Gastrointest Endosc 2004; 59(7): 823–9.
Recine M, Kaw M, Evans DB, Krishnamurthy S. Fine-needle aspiration cytology of mucinous tumors of the pancreas. Cancer 2004; 102(2): 92–9.
Thosani N, Thosani S, Qiao W, et al. Role of EUS-FNA-based cytology in the diagnosis of mucinous pancreatic cystic lesions: a systematic review and meta-analysis. Dig Dis Sci 2010; 55(10): 2756–66.
Zhai J, Sarkar R, Ylagan L. Pancreatic mucinous lesions: a retrospective analysis with cytohistological correlation. Diagn Cytopathol 2006; 34(11): 724–30.
Zhan XB, Wang B, Liu F, et al. Cyst fluid carcinoembryonic antigen concentration and cytology by endosonography-guided fine needle aspiration in predicting malignant pancreatic mucinous cystic neoplasms. J Dig Dis 2013; 14(4): 191–5.

Intraductal papillary mucinous neoplasm (IPMN)

Emerson RE, Randolph ML, Cramer HM. Endoscopic ultrasound-guided fine-needle aspiration cytology diagnosis of intraductal papillary mucinous neoplasm of the pancreas is highly predictive of pancreatic neoplasia. Diagn Cytopathol 2006; 34(7): 457–62.
Hong SK, Loren DE, Rogart JN, et al. Targeted cyst wall puncture and aspiration during EUS-FNA increases the diagnostic yield of premalignant and malignant pancreatic cysts. Gastrointest Endosc 2012; 75(4): 775–82.
Layfield LJ, Cramer H. Fine-needle aspiration cytology of intraductal papillary-mucinous tumors: a retrospective analysis. Diagn Cytopathol 2005; 32(1): 16–20.
Lee SY, Choi DW, Jang KT, et al. High expression of intestinal-type mucin (MUC2) in intraductal papillary mucinous neoplasms coexisting with extrapancreatic gastrointestinal cancers. Pancreas 2006; 32(2): 186–9.
Michaels PJ, Brachtel EF, Bounds BC, Brugge WR, Pitman MB. Intraductal papillary mucinous neoplasm of the pancreas: cytologic features predict histologic grade. Cancer 2006; 108(3): 163–73.
Pais SA, Attasaranya S, Leblanc JK, et al. Role of endoscopic ultrasound in the diagnosis of intraductal papillary mucinous neoplasms: correlation with surgical histopathology. Clin Gastroenterol Hepatol 2007; 5(4): 489–95.
Pitman MB, Genevay M, Yaeger K, et al. High-grade atypical epithelial cells in pancreatic mucinous cysts are a more accurate predictor of malignancy than “positive” cytology. Cancer Cytopathol 2010; 118(6): 434–40.
Schoedel KE, Finkelstein SD, Ohori NP. K-Ras and microsatellite marker analysis of fine-needle aspirates from intraductal papillary mucinous neoplasms of the pancreas. Diagn Cytopathol 2006; 34(9): 605–8.
Sole M, Iglesias C, Fernandez-Esparrach G, et al. Fine-needle aspiration cytology of intraductal papillary mucinous tumors of the pancreas. Cancer 2005; 105(5): 298–303.
Thornton GD, McPhail MJ, Nayagam S, et al. Endoscopic ultrasound guided fine needle aspiration for the diagnosis of pancreatic cystic neoplasms: a meta-analysis. Pancreatology 2013; 13(1): 48–57.
Yamaguchi T, Shirai Y, Ishihara T, et al. Pancreatic juice cytology in the diagnosis of intraductal papillary mucinous neoplasm of the pancreas: significance of sampling by peroral pancreatoscopy. Cancer 2005; 104(12): 2830–6.
Zhai J, Sarkar R, Ylagan L. Pancreatic mucinous lesions: a retrospective analysis with cytohistological correlation. Diagn Cytopathol 2006; 34(11): 724–30.

Serous cystadenoma

Belsley NA, Pitman MB, Lauwers GY, Brugge WR, Deshpande V. Serous cystadenoma of the pancreas: limitations and pitfalls of endoscopic ultrasound-guided fine-needle aspiration biopsy. Cancer 2008; 114(2): 102–10.
Collins BT. Serous cystadenoma of the pancreas with endoscopic ultrasound fine needle aspiration biopsy and surgical correlation. Acta Cytol 2013; 57(3): 241–51.
Huang P, Staerkel G, Sneige N, Gong Y. Fine-needle aspiration of pancreatic serous cystadenoma: cytologic features and diagnostic pitfalls. Cancer 2006; 108(4): 239–49.
Lal A, Bourtsos EP, DeFrias DV, Nemcek AA, Nayar R. Microcystic adenoma of the pancreas: clinical, radiologic, and cytologic features. Cancer 2004; 102(5): 288–94.
Linder JD, Geenen JE, Catalano MF. Cyst fluid analysis obtained by EUS-guided FNA in the evaluation of discrete cystic neoplasms of the pancreas: a prospective single-center experience. Gastrointest Endosc 2006; 64(5): 697–702.
Recine M, Kaw M, Evans DB, Krishnamurthy S. Fine-needle aspiration cytology of mucinous tumors of the pancreas. Cancer 2004; 102(2): 92–9.

Solid-pseudopapillary neoplasm

Bardales RH, Centeno B, Mallery JS, et al. Endoscopic ultrasound-guided fine-needle aspiration cytology diagnosis of solid-pseudopapillary tumor of the pancreas: a rare neoplasm of elusive origin but characteristic cytomorphologic features. Am J Clin Pathol 2004; 121(5): 654–62.
Bhanot P, Nealon WH, Walser EM, et al. Clinical, imaging, and cytopathological features of solid pseudopapillary tumor of the pancreas: a clinicopathologic study of three cases and review of the literature. Diagn Cytopathol 2005; 33(6): 421–8.
Chatzipantelis P, Salla C, Apostolou G, et al. Endoscopic ultrasound-guided fine needle aspiration cytology diagnosis of solid pseudopapillary tumor of the pancreas: a report of 3 cases. Acta Cytol 2010; 54(5): 701–6.
Jani N, Dewitt J, Eloubeidi M, et al. Endoscopic ultrasound-guided fine-needle aspiration for diagnosis of solid pseudopapillary tumors of the pancreas: a multicenter experience. Endoscopy 2008; 40(3): 200–3.
Mariappan MR, Fadare O, Jain D, Chacho MS. Diagnostic intraoperative imprint cytology of a solid pseudopapillary tumor of the pancreas. Diagn Cytopathol 2005; 32(6): 351–2.
Master SS, Savides TJ. Diagnosis of solid-pseudopapillary neoplasm of the pancreas by EUS-guided FNA. Gastrointest Endosc 2003; 57(7): 965–8.
Pettinato G, Di Vizio D, Manivel JC, et al. Solid-pseudopapillary tumor of the pancreas: a neoplasm with distinct and highly characteristic cytological features. Diagn Cytopathol 2002; 27(6): 325–34.
Samad A, Shah AA, Stelow EB, et al. Cercariform cells: another cytologic feature distinguishing solid pseudopapillary neoplasms from pancreatic endocrine neoplasms and acinar cell carcinomas in endoscopic ultrasound-guided fine-needle aspirates. Cancer Cytopathol 2013; 121(6): 298–310.
Tomsova M, Ryska A, Podhola M, Pohnetalova D. Solid and papillary epithelial tumor of the pancreas: cytologic and histologic features. Cesk Patol 2002; 38(4): 178–82.
Zhao P, Debrito P, Ozdemirli M, Sidawy MK. Solid-pseudopapillary neoplasm of the pancreas: awareness of unusual clinical presentations and morphology of the clear cell variant can prevent diagnostic errors. Diagn Cytopathol 2013; 41(10): 88–95.

Pancreatoblastoma

Hasegawa Y, Ishida Y, Kato K, et al. Pancreatoblastoma. A case report with special emphasis on squamoid corpuscles with optically clear nuclei rich in biotin. Acta Cytol 2003; 47(4): 679–84.
Henke AC, Kelley CM, Jensen CS, Timmerman TG. Fine-needle aspiration cytology of pancreatoblastoma. Diagn Cytopathol 2001; 25(2): 118–21.
Pitman MB, Faquin WC. The fine-needle aspiration biopsy cytology of pancreatoblastoma. Diagn Cytopathol 2004; 31(6): 402–6.
Rajpal S, Warren RS, Alexander M, et al. Pancreatoblastoma in an adult: case report and review of the literature. J Gastrointest Surg 2006; 10(6): 829–36.
Silverman JF, Holbrook CT, Pories WJ, Kodroff MB, Joshi VV. Fine needle aspiration cytology of pancreatoblastoma with immunocytochemical and ultrastructural studies. Acta Cytol 1990; 34(5): 632–40.
Zhu LC, Sidhu GS, Cassai ND, Yang GC. Fine-needle aspiration cytology of pancreatoblastoma in a young woman: report of a case and review of the literature. Diagn Cytopathol 2005; 33(4): 258–62.

Acinar cell carcinoma

Das DK, Bhambhani S, Kumar N, et al. MicroRNA expression abnormalities in pancreatic endocrine and acinar tumors are associated with distinctive pathologic features and clinical behavior. J Clin Oncol 2006; 24(29): 4677–84.
Hosoda W, Sasaki E, Murakami Y, et al. BCL10 as a useful marker for pancreatic acinar cell carcinoma, especially using endoscopic ultrasound cytology specimens. Pathol Int 2013; 63(3): 176–82.
Ishihara A, Sanda T, Takanari H, Yatani R, Liu PI. Elastase-1-secreting acinar cell carcinoma of the pancreas. A cytologic, electron microscopic and histochemical study. Acta Cytol 1989; 33(2): 157–63.
Labate AM, Klimstra DL, Zakowski MF. Comparative cytologic features of pancreatic acinar cell carcinoma and islet cell tumor. Diagn Cytopathol 1997; 16(2): 112–16.
Ohori NP, Khalid A, Etemad B, Finkelstein SD. Multiple loss of heterozygosity without K-ras mutation identified by molecular analysis on fine-needle aspiration cytology specimen of acinar cell carcinoma of pancreas. Diagn Cytopathol 2002; 27(1): 42–6.
Rouleau C, Serre I, Roger P, et al. Acinar cell carcinoma of the pancreas in a young patient with cells immunoreactive for somatostatin. Histopathology 2006; 48(3): 307–9.
Samuel LH, Frierson HF Jr. Fine needle aspiration cytology of acinar cell carcinoma of the pancreas: a report of two cases. Acta Cytol 1996; 40(3): 585–91.
Stelow EB, Bardales RH, Shami VM, et al. Cytology of pancreatic acinar cell carcinoma. Diagn Cytopathol 2006; 34(5): 367–72.

Pancreatic endocrine neoplasm

Chang F, Chandra A, Culora G, et al. Cytologic diagnosis of pancreatic endocrine tumors by endoscopic ultrasound-guided fine-needle aspiration: a review. Diagn Cytopathol 2006; 34(9): 649–58.
Chang F, Vu C, Chandra A, Meenan J, Herbert A. Endoscopic ultrasound-guided fine needle aspiration cytology of pancreatic neuroendocrine tumours: cytomorphological and immunocytochemical evaluation. Cytopathology 2006; 17(1): 10–17.
Chatzipantelis P, Salla C, Konstantinou P, et al. Endoscopic ultrasound-guided fine-needle aspiration cytology of pancreatic neuroendocrine tumors: a study of 48 cases. Cancer 2008; 114(4): 255–62.
Gu M, Ghafari S, Lin F, Ramzy I. Cytological diagnosis of endocrine tumors of the pancreas by endoscopic ultrasound-guided fine-needle aspiration biopsy. Diagn Cytopathol 2005; 32(4): 204–10.
Ozcan A, Shen SS, Hamilton C, et al. PAX 8 expression in non-neoplastic tissues, primary tumors, and metastatic tumors: a comprehensive immunohistochemical study. Mod Pathol 2011; 24(6): 751–64.
Sangoi AR, Ohgami RS, Pai RK, et al. PAX8 expression reliably distinguishes pancreatic well-differentiated neuroendocrine tumors from ileal and pulmonary well-differentiated neuroendocrine tumors and pancreatic acinar cell carcinoma. Mod Pathol 2011; 24(3): 412–24.
Shaw JA, Vance RP, Geisinger KR, Marshall RB. Islet cell neoplasms. A fine-needle aspiration cytology study with immunocytochemical correlations. Am J Clin Pathol 1990; 94(2): 142–9.
Sneige N, Ordonez NG, Veanattukalathil S, Samaan NA. Fine-needle aspiration cytology in pancreatic endocrine tumors. Diagn Cytopathol 1987; 3(1): 35–40.
Wick MR, Graeme-Cook FM. Pancreatic neuroendocrine neoplasms: a current summary of diagnostic, prognostic, and differential diagnostic information. Am J Clin Pathol 2001; 115: S28–45.
Yoon WJ, Daglilar ES, Pitman MB, Brugge WR. Cystic pancreatic neuroendocrine tumors: endoscopic ultrasound and fine-needle aspiration characteristics. Endoscopy 2013; 45(3): 189–94.

Metastatic tumors

Bechade D, Palazzo L, Fabre M, Algayres JP. EUS-guided FNA of pancreatic metastasis from renal cell carcinoma. Gastrointest Endosc 2003; 58(5): 784–8.
Carson HJ, Green LK, Castelli MJ, et al. Utilization of fine-needle aspiration biopsy in the diagnosis of metastatic tumors to the pancreas. Diagn Cytopathol 1995; 12(1): 8–13.
David O, Green L, Reddy V, et al. Pancreatic masses: a multi-institutional study of 364 fine-needle aspiration biopsies with histopathologic correlation. Diagn Cytopathol 1998; 19(6): 423–7.
DeWitt J, Jowell P, Leblanc J, et al. EUS-guided FNA of pancreatic metastases: a multicenter experience. Gastrointest Endosc 2005; 61(6): 689–96.
Eloubeidi MA, Jhala D, Chhieng DC, et al. Multiple late asymptomatic pancreatic metastases from renal cell carcinoma: diagnosis by endoscopic ultrasound-guided fine needle aspiration biopsy with immunocytochemical correlation. Dig Dis Sci 2002; 47(8): 1839–42.
Gagovic V, Spier BJ, DeLee RJ, et al. Endoscopic ultrasound fine-needle aspiration characteristics of primary adenocarcinoma versus other malignant neoplasms of the pancreas. Can J Gastroenterol 2012; 26(10): 691–6.
Hijioka S, Matsuo K, Mizuno N, et al. Role of endoscopic ultrasound and endoscopic ultrasound-guided fine-needle aspiration in diagnosing metastasis to the pancreas: a tertiary center experience. Pancreatology 2011; 11(4): 390–8.
Li Z, Zhang S, Vasdani N, Castillo E. Clues for diagnosing primary pancreatic lymphoma. Case Rep Gastroenterol 2012; 6(2): 438–45.
Mesa H, Stelow EB, Stanley MW, et al. Diagnosis of nonprimary pancreatic neoplasms by endoscopic ultrasound-guided fine-needle aspiration. Diagn Cytopathol 2004; 31(5): 313–18.
Silva RG, Dahmoush L, Gerke H. Pancreatic metastasis of an ovarian malignant mixed Mullerian tumor identified by EUS-guided fine needle aspiration and Trucut needle biopsy. JOP 2006; 7(1): 66–9.
Volmar KE, Jones CK, Xie HB. Metastases in the pancreas from nonhematologic neoplasms: report of 20 cases evaluated by fine-needle aspiration. Diagn Cytopathol 2004; 31(4): 216–20.