Figure 1.

(a) Clinical image showing symmetrical, gray-brown, verrucous, non-pruritic lesions on the buttocks, with surrounding satellite lesions. (b) Histopathological image of a biopsy specimen showing marked hyperkeratosis and incomplete cornoid lamella, with minimal loss or reduction of the granular cell layer distributed along the length of the specimen. The epidermis exhibits irregular hyperplasia with scattered inflammatory cells and pigment incontinence in the dermis. Hematoxylin and eosin staining, magnification = 20 ×.