Journal of Cytology
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ORIGINAL ARTICLE
Year : 2020  |  Volume : 37  |  Issue : 1  |  Page : 53-57

Utility of fine needle aspiration in diagnosis of intraoral minor salivary gland tumors


1 Department of Pathology, Maulana Azad Medical College, New Delhi, India
2 Department of ENT, Maulana Azad Medical College, New Delhi, India

Correspondence Address:
Dr. Nishant Sagar
Department of Pathology, Maulana Azad Medical College, New Delhi - 110 002
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JOC.JOC_62_19

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Objective: To evaluate the utility of intraoral fine-needle aspiration cytology (FNAC) in diagnosis of minor salivary gland neoplasms (MSGN) with application of Milan system of reporting salivary gland cytopathology; keeping histopathology as gold standard and to detail the cytological findings of MSGNs. Method: Retrospective study between Jan 2008 and June 2017 (appro × 10 years) on the cytology of the minor salivary gland tumor along with the histopathological correlation. The relevant clinical data was collected from the medical record. Result: Sixty-four cases of MSGNs were included in the study. The histodiagnosis of the 41 were available. Twenty-one cases were diagnosed as malignant, while rest 20 cases were reported as benign. The most common tumor diagnosed was pleomorphic adenoma (PA) (50% cases), followed by mucoepidermoid carcinoma (14%) and adenoid cystic carcinoma (12.5%). The most common site of MSGT was found to be hard palate (44%), followed by soft palate (23%), floor of the mouth (12%), lip (11%), buccal mucosa (5%), and tongue (5%) with no gender predilection. Sensitivity of FNAC for detection of malignancy was 81% while specificity 95%. For malignancies, positive predictive value for malignancies was 17/18 (94.4%) and negative predictive value was 19/23 (82.3%). According to Milan system out of 21 cases in category IV B, 4 cases were found malignant (Category VI), while 1/18 case in category VI turned out to be nonneoplastic lesion (Category II). Conclusion: FNAC is imperative in early diagnosis and subsequent management of MSGNs


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