Acquired Port-Wine Stain in a Pediatric Patient

Acquired port-wine stains (PWSs) are vascular lesions that are identical to congenital PWSs morphologically and histopathologically.Because acquired PWSs are rarely seen in adult and pediatric patients, we present a 9-year-old boy with an acquired PWS on his left forearm.None of the proposed etiologies, such as trauma, chronic sun exposure, or hormonal medication, was applicable to our patient, and a literature review showed us that acquired...