Fig. 2

FNAC of neck lymph node: three-dimensional and syncytial cellular fragments accompanied by small lymphocytes (a. Papanicolaou, 400×); epithelioid cells with enlarged nuclei, vesicular chromatin, prominent nucleoli, and pleomorphic contours (b. Papanicolaou, 400×). FNAC of the left thyroid: cohesive clusters of follicular epithelial cells and dense extracellular matrix. (c. Liu, 100×); Few atypical epithelioid cells forming syncytial groups (d. Liu, 400×)