Objective: Conventional fine-needle aspiration biopsy (FNAB) for cystic thyroid nodules (CTNs) has a high rate of nondiagnostic and false-negative results. Ultrasound-guided FNAB (UG-FNAB ...

Between January 1998 and June 2001, 2080 UG-FNAB of thyroid nodules were carried out ... patients), cytology consistent with predominantly follicular lesion (14 cases), incomplete cyst resolution ...