A Case of Seborrheic Keratosis on the Volar Side of the Fingers after Skin Graft.

Dear Editor: A 21-year-old male presented with several, asymptomatic brownish verrucous mass and plaques on the volar side of the left index and middle fingers, which lasted for two years (Fig. 1). He had a history of autologous skin graft from the thigh for burn injury on the same site 10 years ago. Histopathological examination showed prominent acanthosis with hyperkeratosis and verrucous papillomatosis (Fig. 2). Human papillomavirus (HPV) immunohistochemical staining performed to differentiate palmar warts was negative. With the clinical and histopathological findings, we diagnosed him with seborrheic keratosis. Seborrheic keratosis is the most common acquired benign epithelial tumor, often wart-like lesion. It can be found on any