Compound melanocytic nevi with granular cell changes.

El-Gamal, Hatem M; Robinson-Bostom, Leslie; Saddler, Kirk D; Pan, Teddy; Mihm, Martin C · J Am Acad Dermatol · 2004

case_report · Level V

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Abstract

Two cases of compound melanocytic nevi with granular cell changes were studied. Histological examination revealed compound melanocytic nevi with a portion of the dermal component exhibiting a sheet like proliferation of nevoid cells with granular cytoplasm. Immunohistochemically, both populations of cells stained positive for S-100 and Melan-A. However, HMB-45 was positive only for the nevus cells with granular cytoplasm. We believe this represents granular cytoplasmic changes of nevus cells and does not denote malignant transformation.

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