Cyto-Histological Correlation in Tumors of the Parotid Gland
Abstract
Introduction and objectives: the use of fine needle aspiration cytology in the evaluation of parotid gland
tumors is controversial, since there is great variability in terms of sensitivity and specificity in different series
published. Our objective is to evaluate the use of fine needle aspiration cytology which was correlated with post-surgical pathology studies.
Methods: A retrospective study was conducted using a sample of 77 patients with parotid gland tumors
between 2000-2017 in two hospital centers in Montevideo, Uruguay, who underwent preoperative diagnostic
fine needle aspiration cytology and subsequently were treated with surgery and anatomopathological study.
Results: The mean age was 54 years old, range, 14-87 years of age. 56.8% were female. The sensitivity of
the fine needle aspiration cytology for the diagnosis of malignancy was 30%, and the specificity was 98.46%
with a positive predictive value of 75% and a negative predictive value of 90.14%
Conclusions: fine needle aspiration cytology is a very useful diagnostic method in the evaluation of parotid
gland tumors, mainly due to its high negative predictive value.
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Copyright (c) 2021 Juan Cavo, Federico Cancela, Andrés Munyo, Alejandro Noria, Gustavo Costas
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