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ORIGINAL ARTICLE
Year : 2019  |  Volume : 8  |  Issue : 1  |  Page : 11-17

Application of the Milan system of reporting salivary cytopathology – A retrospective cytohistological correlation study


1 Department of Pathology, Dr. PSIMS and RF, Chinoutpalli, Gannavaram Mandal, Andhra Pradesh, India
2 Department of Pathology, Guntur Medical College, Guntur, Andhra Pradesh, India

Correspondence Address:
Dr. Ramya Katta
Sai Balaji Residency, 1st lane, Jaya Prakash Nagar, LIC Colony, Vijayawada - 520 008, Andhra Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JDRNTRUHS.JDRNTRUHS_52_19

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Context: Fine needle aspiration cytology for salivary gland lesions has shown to be adequately sensitive and specific for diagnosing and treating salivary gland pathologies. The Milan System for Reporting Salivary Gland Cytopathology was developed and introduced to provide enhanced communication and improved overall care. Aims: The present study was taken up to assess the accuracy (sensitivity, specificity, positive and negative predictive values) and risk of malignancy of various diagnostic categories when the Milan system is applied and particular emphasis has been laid on cases that showed varied cytohistopathological correlation to highlight the analytical intricacies. Settings and Design: The present study is a two-year retrospective descriptive study conducted in a tertiary care hospital, Vijayawada. Methods and Material: Fine needle aspiration smears, relevant clinical details, histopathological slides and final reports were retrieved from the Departmental archives. The FNA results of the present study were re-categorized according to the Milan system and number of false positives, false negatives, true positives and true negatives were assessed in comparison with the final histopathological diagnosis and thus the accuracy and risk of malignancy of each diagnostic category were calculated. Results: The overall cytological diagnostic accuracy for differentiating malignant from benign tumors in the present study is 90%, with a sensitivity of 73.34%, specificity of 95.56%, positive and negative predictive values of 84.62% and 91.49% respectively.In the present study the highest risk of malignancy was seen in Atypia of undetermined significance (category III-100%) according to the Milan system. Conclusions: Use of The Milan System of Reporting salivary gland Cytopathology can increase the overall effectiveness and communication with clinicians and between institutions thus improving the overall patient care.


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