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July 1985

Facial Burning and Scarring in a Child

Arch Dermatol. 1985;121(7):929-930. doi:10.1001/archderm.1985.01660070119033

REPORT OF A CASE  A 6-year-old boy presented with a three-year history of burning sensation and pruritus. The areas of involvement included the face, neck, and arms; symptoms worsened after periods of sun exposure. There was no history of rash, urticaria, petechiae, or edema. The patient was taking no medications, and his medical history and family history were unremarkable.Cutaneous examination revealed multiple 1- to 2-mm depressed scars on both cheeks (Fig 1). No erythema, blisters, or other abnormalities were noted.

QUESTIONS  For each of the following multiple-choice questions, choose the best answer(s) (answers follow discussion).

  1. What is your diagnosis?

    • Hydroa vacciniforme

    • Lupus erythematosus

    • Polymorphous light eruption

    • Ulerythema ophryogenes

    • Erythropoietic protoporphyria

    • Hutchinson's summer prurigo

    A biopsy specimen was obtained from the patient's forearm (Fig 2).

  2. Based on the clinical and histologic findings, which would be the most appropriate laboratory test(s) to