ISSN : 2146-3123
E-ISSN : 2146-3131

Follicular Growth Pattern Disease on Thyroid Fine-needle Aspiration Biopsy
Ebru Taştekin1, Şule Canberk2, Fernando C. Schmidt2
1Department of Pathology, Faculty of Medicine Trakya University, Edirne, Turkey
2Pathology Instituto de Investigação e Inovação em Saúde, University of Porto, Institute of Molecular Pathology and Immunology, Porto, Portugal
DOI : 10.4274/balkanmedj.galenos.2022.2022-5-17

Thyroid nodules are a common worldwide health problem and a diagnostic challenge for clinicians and cytopathologists. Follicular growth pattern constitutes the majority of thyroid lesions. Thyroid nodules can be neoplastic or non-neoplastic, and neoplastic nodules can be classified as benign, malignant, or gray zone. Gray zone lesions include different benign and malignant entities that might be resulted in unnecessary thyroidectomies with risk of morbidity and higher health care costs. Depending on the cellularity, most cases might fall into the Follicular neoplasia (FN)/ suspicious for FN (SFN) category or FLUS in The Bethesda System for Reporting Thyroid Cytopathology. Pathologists must be aware of the relationship between this diagnostic category and follow-up patient management and avoid over-diagnosing by mastering the diagnostic criteria.

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