Hydroa vacciniforme is a photosensitivity disorder characterized by the childhood onset of necrotic vesiculopapules on exposed areas. We present a case of a 10-year-old boy with a 1-year history of papular lesions over his face. In this report, we discuss the in-depth histology of hydroa vacciniforme, and the management options.

Hydroa vacciniforme is a rare, usually quite severe, photo-dermatosis. Association with Epstein-Barr virus infection and a possibly increased risk of lymphoproliferative malignancy have been demonstrated. We describe here four patients with Epstein-Barr virus-associated hydroa vacciniforme treated with acyclovir/valacyclovir therapy with a good clinical response. The children were reported to h...

CMAJ © 2010 Canadian Medical Association or its licensors 1 A10-year-old boy presented with a three-year history of recurrent lesions on photoexposed areas that worsened each summer. The boy had no family history of photosensitivity. Some vesicles and tiny depressed scars resembling chickenpox scars were present on his arms, face and ears. He had freckles on his face and a deep ulcer covered wi...