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Sep 2011

An Erythematous Plaque With Overlying Alopecia on the Scalp of a Child —Quiz Case

Author Affiliations
 

SECTION EDITOR: MARY S. STONE, MD; ASSISTANT SECTION EDITORS: SOON BAHRAMI, MD; CARRIE ANN R. CUSACK, MD; SENAIT W. DYSON, MD; MOLLY A. HINSHAW, MD; ARNI K. KRISTJANSSON, MD

Arch Dermatol. 2011;147(9):1097-1102. doi:10.1001/archdermatol.2011.250-a

A 4-year-old boy presented with a slightly pruritic, erythematous, ill-defined, 3   ×  3-cm plaque on his scalp associated with overlying alopecia developing 4 months before presentation (Figure 1). Findings from physical examination were otherwise unremarkable. Potassium hydroxide smear for dermatophytes was negative. A punch biopsy was obtained from the lesion and submitted for dermatopathologic study (Figure 2 and Figure 3).

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