Review Article

Update on Anaplastic Thyroid Carcinoma: Morphological, Molecular, and Genetic Features of the Most Aggressive Thyroid Cancer

Figure 2

FNAB smears are usually made up of polymorphic neoplastic cells in a dirty necrotic background ((a) Papanicolaou stain, (b) May-Grunwald Giemsa stain).
790834.fig.002a
(a)
790834.fig.002b
(b)