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The role of frozen section biopsy for parotid gland tumour with benign fine-needle aspiration cytology

Published online by Cambridge University Press:  21 February 2019

M Suzuki*
Affiliation:
Department of Otolaryngology, School of Medicine, Fukushima Medical University, Japan
Y Nakaegawa
Affiliation:
Department of Otolaryngology, School of Medicine, Fukushima Medical University, Japan
T Kobayashi
Affiliation:
Department of Otolaryngology, School of Medicine, Fukushima Medical University, Japan
T Kawase
Affiliation:
Department of Otolaryngology, School of Medicine, Fukushima Medical University, Japan
T Matsuzuka
Affiliation:
Department of Otolaryngology, School of Medicine, Fukushima Medical University, Japan
S Murono
Affiliation:
Department of Otolaryngology, School of Medicine, Fukushima Medical University, Japan
*
Author for correspondence: Dr Masahiro Suzuki, Department of Otolaryngology, School of Medicine, Fukushima Medical University, 1 Hikarigaoka, Fukushima City 960-1295, Japan E-mail: suzuma0510@gmail.com Fax: +81 24 547 1325

Abstract

Objectives

This study focused on parotid gland tumours diagnosed as benign by fine-needle aspiration cytology and investigated the necessity of frozen section biopsy.

Methods

There were 104 cases of parotid gland tumour where fine-needle aspiration cytology was benign and frozen section biopsy was subsequently performed, between April 2006 and June 2016. In this retrospective study, the results of frozen section biopsy were analysed and compared with the final histological diagnosis.

Results

Among the 104 cases diagnosed as benign by fine-needle aspiration cytology, 102 cases and 2 cases were diagnosed as benign and malignant, respectively, by frozen section biopsy. The final histological diagnoses showed that 98 cases were benign and 6 cases were malignant. The sensitivity and specificity values of frozen section biopsy in detecting malignant tumours were 33 per cent and 100 per cent, respectively.

Conclusion

The necessity of frozen section biopsy in cases with benign fine-needle aspiration cytology may be low in parotid gland surgery.

Type
Main Articles
Copyright
Copyright © JLO (1984) Limited, 2019 

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Footnotes

Dr M Suzuki takes responsibility for the integrity of the content of the paper

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