Atypical histiocytoid cells in fine-needle aspiration cytology of metastatic papillary thyroid carcinoma: A potential diagnostic pitfall.

Yun-An ChenShu-Jiuan LinHsin-Yu TengChi-Shun Yang

Published in: Diagnostic cytopathology (2022)

Metastatic PTC frequently exhibits cystic degeneration and the FNA cytology may not yield classic cytological features of PTC. Pure AHCs composed 10.5% of all cases and might be a potential pitfall for liquid based preparation in diagnosing metastatic PTC. The finding of AHCs within the cystic background should raise the concern of metastatic PTC.

Keyphrases

fine needle aspiration
ultrasound guided
squamous cell carcinoma
small cell lung cancer
induced apoptosis
lymph node
lymph node metastasis
high grade
cell cycle arrest
ionic liquid
cell death
simultaneous determination
climate change
liquid chromatography