PMC10087675_01
Brown lesion with a verrucous surface on the posterior aspect of the left thigh and buttock
PDE-40-179-g001.jpg
PMC10087675_01_PDE-40-179-g001.jpg
pde15116-fig-0001
A 4-year-old boy was noted at birth to have a thick, linear, yellowish-white lesion with a verrucous surface on the posterior aspect of his left thigh and buttock diagnosed as an epidermal nevus (Figure 1).
Biopsy from the epidermal nevus (H&E x40) showing epidermal hyperplasia with marked acanthosis, hyperkeratosis, and papillomatosis
PDE-40-179-g002.jpg
PMC10087675_01_PDE-40-179-g002.jpg
pde15116-fig-0002
Biopsy of the verrucous plaque on the left thigh (Figure 2) and one of the subcutaneous tumors confirmed the respective clinical diagnoses of epidermal keratinocytic nevus and lipoma.