Correlation Between Fine-Needle Aspiration Cytology, Cell Block Cytology, and Histopathology in the Diagnosis of Thyroid Lesions.

Context: Fine-needle aspiration cytology is considered the gold standard screening test in the evaluation of a thyroid nodule. We studied whether cell block cytology can be used in addition to conventional smears for the evaluation of tissue from fine-needle aspirations or fluid aspirations and also compared it with histopathological diagnosis.

Aims: The primary aim of this study was to know the utility of cell blocks in the diagnosis of thyroid lesions.