Fine-Needle Thyroid Aspiration Biopsy: Clinical Experience at the Endocrinology Clinics of the University Hospital of Puerto Rico.

Objective: This study aimed to establish a profile of the ultrasound-guided thyroid fine-needle aspiration biopsies (FNABs) performed at the endocrinology clinics of the University Hospital of Puerto Rico.

Methods: A retrospective study was conducted to assess all the thyroid FNABs performed from July 1, 2011, to December 31, 2013. Data on socio-demographic, FNAB cytology, surgery, and histopathology were collected from medical records.