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Parotid gland carcinoma is a rare and complicated histopathological classification. Therefore, assembling a sufficient number of cases with long-term outcomes in a single institute can present a challenge.
The medical records of 108 parotid gland carcinoma patients who were treated at Kyushu University Hospital, Fukuoka, Japan, between 1983 and 2014 were reviewed. The survival outcomes were analysed according to clinicopathological findings.
Forty-six patients had low clinical stage tumours (I–II), and 62 patients had high clinical stage tumours (III–IV). Fifty-two, 10 and 46 patients had low-, intermediate- and high-grade tumours, respectively. Twenty-seven of 65 cases had positive surgical margins. In high clinical stage and intermediate- to high-grade tumours, adjuvant radiation therapy was correlated with local recurrence-free survival (p = 0.0244). Intermediate- to high-grade tumours and positive surgical margins were significantly associated with disease-specific survival in multivariate analysis (p = 0.0002 and p = 0.0058).
The results of this study show that adjuvant radiation therapy is useful for improved local control in patients with high clinical stage and intermediate- to high-grade tumours.
To determine the clinical effect of post-operative radiotheraphy and systemic chemotherapy for the treatment of salivary duct carcinoma.
The medical records of 26 patients treated by surgery with or without radiotheraphy and/or systemic chemotherapy for salivary duct carcinoma were retrospectively reviewed to investigate the role of post-operative adjuvant treatment for the patients' prognosis.
The overall three-year and five-year survival rates were 54 and 48.1 per cent, respectively. There was no correlation with the clinical stage and the patients' prognosis. The overall three-year survival of the patients with or without post-operative radiotheraphy was 64 and 33 per cent, respectively (p = 0.29). The overall three-year survival of the patients with or without post-operative chemotherapy was 53 and 56 per cent, respectively (p = 0.78).
Post-operative adjuvant therapy did not improve the patients' overall prognosis with salivary duct carcinoma. Developing novel treatment modalities may be necessary to improve the prognosis of this aggressive disease.
The management of extrapulmonary small cell carcinoma has not been standardised to date. This study reviewed the clinical course, management and survival outcomes of patients with extrapulmonary small cell carcinoma in the head and neck region.
Nine patients with extrapulmonary small cell carcinoma in the head and neck were included in this study.
Five patients received radical surgery followed by adjuvant chemotherapy or radiotherapy or both. Two other patients were treated with chemotherapy consisting of CPT11 plus cisplatin or CPT11 plus cisplatin plus VP-16 three times. Two other patients received chemoradiotherapy consisting of S-1 or CPT11 plus cisplatin. The median overall survival was 14.5 months, with a three-year survival rate of 23.7 per cent.
The prognosis of extrapulmonary small cell carcinoma is generally poor. Further prospective multicentre studies are required for better understanding of disease entities and response to treatment modalities.
The object of this study was to analyse our experience with the effects of concurrent chemoradiotherapy for oropharyngeal squamous cell carcinoma, the treatment results of this therapeutic strategy and a salvage treatment for recurrent oropharyngeal squamous cell carcinoma.
Seventy-five patients with oropharyngeal squamous cell carcinoma were treated with chemoradiotherapy. The study included twenty-five of these patients who had recurrent oropharyngeal squamous cell carcinoma after chemoradiotherapy
The three-year actuarial survival rates for 75 patients by disease stage were as follows: stage II, 100 per cent; stage III, 71.1 per cent; stage IV, 51.7 per cent and overall, 58.2 per cent. The mean time of detection of recurrence was 6.2 months. The total salvage rates of recurrence were 21 per cent. The one and three-year tumour-free actuarial survival rates of those patients who received salvage treatment were 83 and 33 per cent.
Surgical salvage was only feasible for early recurrent tumour. Close follow-up surveillance of early recurrence is essential after primary treatment of patients with chemoradiotherapy.
Hyalinizing clear cell carcinoma is a rare minor salivary gland neoplasm. The treatment of choice is surgical resection with or without post-operative radiotherapy. This tumour often demonstrates a good prognosis.
We report a case of hyalinizing clear cell carcinoma arising in the nasopharynx. A 27-year-old female presented with progressive hearing disturbance and tinnitus. On examination, an expansile mass was observed in her nasopharynx. Biopsy was performed and the pathology results returned as clear cell carcinoma.
Results and conclusion:
Surgical resection was performed trans-orally accompanied by trans-palatal approach. She has no recurrence during more than two years of follow up.
To investigate the clinicopathological and prognostic significance of the expression of cathepsin L and its inhibitor headpin, in oral squamous cell carcinoma.
Immunohistochemical studies were performed on 56 oral squamous cell carcinoma samples. We evaluated the relationship between cathepsin L and headpin expression versus patients' clinicopathological factors and survival.
The group that was positive for cathepsin L expression tended to have positive metastatic neck lymph nodes and a poorer prognosis. Headpin expression was not related to metastasis or prognosis. Well differentiated squamous cell carcinoma had higher levels of headpin expression compared with poorly differentiated squamous cell carcinoma.
Cathepsin L expression is related to the invasive and metastatic potential of oral squamous cell carcinoma.
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