Risk of Malignancy in Salivary Lesion Classified by The Milan System for Reporting Salivary Gland Cytopathology
Risk of Malignancy in Salivary Lesion
Keywords:
salivary gland, cytology, Milan SystemAbstract
Salivary gland lesion is a common clinical problem. The fine needle aspiration of salivary gland is an important procedure that used to evaluate the prognosis and risk of malignancy (ROM) before definite surgery. This analytic retrospective study reviewed the cytological reports with corresponding surgical pathological reports between January, 2015 to December, 2020 at Department of Anatomical Pathology, Buddhachinaraj Phitsanulok Hospital and reclassifying by The Milan System for Reporting Salivary Gland Cytopathology with the goal of determining the risk of malignancy in each of the categories. The total number of entities and ROM in 103 reviewed cases were as follows: non-diagnostic 7.7%, non-neoplastic 18.8%, atypia of undetermined significance 25%, benign neoplasm 7.4%, salivary gland neoplasm of uncertain malignant potential 20%, suspicious for malignancy 25%, and not available for evaluation in group of malignancy due to no surgical pathology report in this classification. In conclusion, ROM in group II, III, IVa, IVb in this study are in accordance with the Milan system
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