Update on Anaplastic Thyroid Carcinoma: Morphological, Molecular, and Genetic Features of the Most Aggressive Thyroid Cancer
Figure 7
An ATC made up of pleomorphic epithelioid cells arranged in loosely cohesive nests; focally, intracytoplasmic vacuoles are present ((a), (b)). Immunohistochemical stains with keratin 7 (c) and TTF1 (d) highlight entrapped thyroid follicles.
