Journal of Cytology
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Year : 2019  |  Volume : 36  |  Issue : 1  |  Page : 48-52

Histopathological review of diagnostic categories of the Bethesda system for reporting thyroid cytopathology – An institutional experience of 5 years

1 Department of Pathology, BP Koirala Institute of Health Sciences, Karnali Province, Nepal
2 Department of Pathology, Province Hospital, Karnali Province, Nepal
3 Department of Community Medicine, BP Koirala Institute of Health Sciences, Karnali Province, Nepal

Correspondence Address:
Dr. Bindu Adhikari
Department of Pathology, BP Koirala Institute of Health Sciences, Dharan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/JOC.JOC_64_18

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Context: Fine needle aspiration (FNA) plays a crucial role in the evaluation of patients with thyroid lesions. The Bethesda system for reporting thyroid cytopathology (TBSRTC) was designed with a mission to standardize the process of diagnosis and management of thyroid lesions by FNA cytology (FNAC). Aim: We aim to see the benefits of adopting TBSRTC, seek the cytological pitfalls in the diagnosis of thyroid FNAC, and identify the spectrum of thyroid lesions in our setup. Settings and Design: This is a hospital-based cross-sectional study conducted from June 2009 to June 2014 of all thyroid FNACs with available histopathology reports. Cases were designated a specific diagnostic category according to TBSRTC. Materials and Methods: A total of 109 cases were included in the study. Sixty-eight cases had been reported without using TBSRTC and were reviewed and reclassified according to TBSRTC seeking the common reasons for interpretative errors. Statistical Analysis Used: Data were analyzed using SPSS ver. 11.5. Results: In both pre- and post-TBSRTC era, benign neoplasms constituted the major bulk. After the use of TBSRTC, there was increased ability to look for follicular neoplasms, improvement in making definitive diagnosis of the cases, decline in the suspicious category, and an improvement in diagnostic accuracy, and we were in line with the implied risk outlined by TBSRTC in most of the cases except the nondiagnostic or unsatisfactory category. Conclusion: Application of TBSRTC results in uniformity in reporting among pathologists and better interdisciplinary communication and patient management.

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