Figure 1.

A and B, gross appearance of tumor. The mass with part of thin fibrous capsule (A) and the cut surface was solid, tan-white and had a faint fascicular pattern (B). C, The frozen section, a little ice crystals in the tissue, HE400. D-G, Bland-appearing, round, spindled, elongated, ribbon cells with abundant eosinophilic cytoplasm and eccentrically placed, oval nuclei rhabdomyocytes with cross-striations. No mitosis or atypia is noted. Mononuclear cells infiltrate. D, HE100; E, HE200; and F&G, HE400.

Han et al. Diagnostic Pathology 2012 7:47   doi:10.1186/1746-1596-7-47
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