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Figure 2: Histopathology of the lesion. (a) (H and E, ×2) Full view of the lesion. Note a central cyst with detritus and hair fragments; (b) (S100 immunohistochemical staining, ×2) Full view of the lesion showing melanocytic cells; (c) (H and E, ×20); and (d) (H and E, ×100). Melanocytic nests surrounding hair follicles |
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