Endocrine Abstracts

Introduction and aim: Interpretation of follicular neoplasia classification according to Bethesda system in thyroid fine needle aspiration biopsy is very different among pathologist. A number of definition including ‘follicular lesion’, ‘follicular proliferation’, ‘follicular lesion of undetermined significance’, and ‘follicular neoplasia’ were used in terminology. A clearly discrimination between nodular goitre, follicular adenoma, and ...

Adequacy of thyroid fine-needle aspiration (FNA) is generally defined by the thyroid follicle cells, amount, and quality of colloid. Samples priorly should be evaluated for adequacy. A set of qualifying criteria are specified in Bethesda system to remove subjectivity from the adequacy assessment. Each sample prepared from a thyroid FNA should be monitored at least six follicles cell groups containing at least ten cells. In addition to these criteria of assessing the adequacy, ...