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.
For each of the following multiple-choice questions, choose the best answer(s) (answers follow discussion).
What is your diagnosis?
Polymorphous light eruption
Hutchinson's summer prurigo
A biopsy specimen was obtained from the patient's forearm (Fig 2).
Based on the clinical and histologic findings, which would be the most appropriate laboratory test(s) to
Joyce JP, Pfau RG, Berman IJ. Facial Burning and Scarring in a Child. Arch Dermatol. 1985;121(7):929–930. doi:10.1001/archderm.1985.01660070119033
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