Diagnostic cytopathology · 2020
Retrospective implementation of the Milan system for reporting salivary gland cytopathology; a review of 5 years in a specialized cancer center.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Jaber Omar I, Shawash Sarah I
Аннотация
BACKGROUND: The Milan system for reporting salivary gland cytopathology (MSRSGC) aims to standardize terminology, facilitate communication, and optimize management by providing risk of malignancy (ROM) for each category. Our retrospective cohort aims to study the reproducibility of reporting using the MSRSGC and to calculate the ROM for each category.
METHODS: Cases of fine needle aspiration (FNA) of salivary glands and related cervical lymph nodes were retrieved from our files between 2015 to 2019. From a total of 63 cytology cases, 57 cases had available material for cytological reexamination of which 45 cases had follow up data. All cases were reviewed independently by two pathologists and reclassified based on the MSRSGC. The reclassification of cases for both pathologists was compared and the ROM for each diagnostic category was calculated.
RESULTS: The 57 cases were studied. Both pathologists had initial concordance in classification of 52 of 57 cases. The remainder five cases were concurred upon after combined review. The cases were classified as: Non Diagnostic (ND); (n = 8), Non Neoplastic (NN); (n = 7), Atypia of Undetermined Significance (AUS); (n = 8), Neoplasm Benign (NB) (n = 10), Salivary Gland Neoplasm of Uncertain Malignant Potential (SUMP) (n = 5), Suspicious for Malignancy (SM) (n = 1) and Malignant (M) (n = 18). The ROM was: ND: (33.3%); NN: (0%); AUS (33.3%); NB (0%); SUMP (25%); SM (100%) and M (100%).
CONCLUSION: Applying the MSRSGC is reproducible which facilitates standardization of reports and stratifying cases preoperatively. In general, the ROM for our cases was close to that reported in the literature.
METHODS: Cases of fine needle aspiration (FNA) of salivary glands and related cervical lymph nodes were retrieved from our files between 2015 to 2019. From a total of 63 cytology cases, 57 cases had available material for cytological reexamination of which 45 cases had follow up data. All cases were reviewed independently by two pathologists and reclassified based on the MSRSGC. The reclassification of cases for both pathologists was compared and the ROM for each diagnostic category was calculated.
RESULTS: The 57 cases were studied. Both pathologists had initial concordance in classification of 52 of 57 cases. The remainder five cases were concurred upon after combined review. The cases were classified as: Non Diagnostic (ND); (n = 8), Non Neoplastic (NN); (n = 7), Atypia of Undetermined Significance (AUS); (n = 8), Neoplasm Benign (NB) (n = 10), Salivary Gland Neoplasm of Uncertain Malignant Potential (SUMP) (n = 5), Suspicious for Malignancy (SM) (n = 1) and Malignant (M) (n = 18). The ROM was: ND: (33.3%); NN: (0%); AUS (33.3%); NB (0%); SUMP (25%); SM (100%) and M (100%).
CONCLUSION: Applying the MSRSGC is reproducible which facilitates standardization of reports and stratifying cases preoperatively. In general, the ROM for our cases was close to that reported in the literature.