Figure 2.

(A) Diffuse infiltration of small round cells with inconspicuous nucleoli and scanty cytoplasm (hematoxylin and eosin stain; objective magnification, ×40). (B) Abnormal cells positive for HMB45 (objective magnification, ×40). (C) Abnormal cells positive for S100. (objective magnification, ×40). (D) Abnormal cells positive for Melan-A. (objective magnification, ×40).

Nakayama et al. BMC Cancer 2012 12:538   doi:10.1186/1471-2407-12-538
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