Endocrine Abstracts

Objectives: Ultrasound-guided fine needle aspiration biopsy (FNAB) is a commonly performed diagnostic procedure for evaluation of thyroid nodules. The Bethesda System for Reporting Thyroid Cytopathology comprises six categories. Bethesda categories I and III present a challenge for deciding on further diagnostic and therapeutic procedures. Category I includes non-diagnostic or unsatisfactory results that may be due to both aspiration of cystic material from simple cysts or asp...