No single cytologic feature is specifically diagnostic for papillary thyroid carcinoma. We report herein the presence of swirl-like cellular aggregates in fine needle aspirates of papillary ...

The light microscopic histopathology and cytopathology of papillary thyroid carcinoma (PTC) and its variants is amply depicted in reviews, books, and book chapters. One of the changes in PTC ...

False-negative results remain a concern in the cytologic diagnosis of thyroid cancer. Although FNA is a useful test, clinical findings should overrule cytologic data in order for timely treatment ...

FNA is typically performed using 22 to 25 gauge needles and 10 or 20 ml syringes that may, or may not be attached to a "pistol-grip" device. Aspiration should be as minimally traumatic as possible.