Abstract
The Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) was established for uniformity in the reporting of thyroid lesions. Objectives: (1) To utilize The TBSRTC for categorization of thyroid FNACs (2) To evaluate the degree of concordance between cytological and histopathological diagnosis. Materials and Methods: A retrospective analysis of 565 cases was done along with the review of histopathological examination of the specimen excised. Statistical analysis were made comparing the cytological and histopathological findings. Results: The distribution of 565 thyroid nodules, according to TBSRTC are as follows: 1.9% ND/UNS, 92.0% benign, 0.9% AUS/FLUS, 3.0% FN, 0.4% SFM, and 1.8% malignant. The sensitivity was 64.3%, specificity 99.8%, positive predictive value 90.0% and negative predictive value was 99.0%. Conclusions: Thyroid FNAs are best reported using TBSRTC. It also provides appropriate guidelines to clinicians for further management. Keywords: Thyroid cytology, The Bethesda system, Fine needle aspiration.
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