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Category: Volume 06 Issue 09 September 2018
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Title: FNAC and Histopathological Correlation of Salivary Gland Lesions in a Tertiary Care Hospital in Kanchipuram

Authors: Dr K. Gowtham, Dr Suresh R, Dr V. Eswari

 DOI:  https://dx.doi.org/10.18535/jmscr/v6i9.193

Abstract

Background: Fine needle aspiration cytology is an economically effective technique which is sensitive and specific in diagnosing salivary gland lesions. However histopathology of salivary gland lesions is still the final and gold standard method to establish diagnosis and to predict prognosis.

Method: A prospective observational study of 40 patients with salivary gland lesions was done at Meenakshi medical college and research institute -Kanchipuram from may 2017-july 2018. Of the 40 patients, 31 patients underwent surgery and histopathological correlation was done. Cases only with histopathological correlation were included in calculating diagnostic accuracy .The cytological findings were correlated with histopathological diagnosis to calculate cytology accuracy. The parameters of diagnostic validity of cytological technique in terms of sensitivity, specificity and predictive value were evaluated.

Results: Parotid gland was the most commonly involved salivary gland (72.5%). Neoplastic lesions constituted the major bulk of the lesions (33 cases, 82.5%) with benign tumours constituting 75%. The most commonly involved benignlesions was pleomorphic adenoma (90%). Among the non-neoplastic lesions (17.5%), acute sialadenitis was frequently noted. In the present study, the specificity and the sensitivity were found to be 96.42% and 93.54% respectively. The positive predictive value of salivary gland cytology was 100% and negative predictive value was 81.8%. 

Conclusions: Fine Needle Aspiration Cytology is a safe, reliable, quick, convenient and accurate method of diagnosis and should be considered in first line of investigations of salivary gland lesions.

Keywords: FNAC, salivary gland lesion , neoplastic lesions,histopathology.

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Corresponding Author

Suresh R

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