Thoracic Primitive Neuroectodermal Tumor: An Unusual Case and Literature Review

Figure 2

(a) Cytologic features, cellular aspirate PAP stained (original magnification, ×200).JPG; (b) Hematoxylin and Eosin stained cell block section shows a cluster of uniform cells with fine, pale chromatin and a moderate amount of cytoplasm (original magnification, ×200) 2.JPG; (c) CD99 EMA immunohistochemistry shows strong membranous staining (original magnification, ×400).JPG; (d) Periodic Acid Schiff (PAS) stain, ×200.JPG.

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