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JAMA Clinical Challenge
Clinician's Corner
May 22, 2013

Sudden Purpuriform Rash in an Infant

Author Affiliations

JAMA Clinical Challenge Section Editor: Huan J. Chang, MD, Contributing Editor. We encourage authors to submit papers for consideration as a JAMA Clinical Challenge. Please contact Dr Chang at tina.chang@jamanetwork.org

Author Affiliations: Department of Dermatology, University Children's Hospital Zurich (Ms Scheer and Dr Weibel); and Department of Dermatology, University Hospital Zurich (Dr Weibel), Zurich, Switzerland.

JAMA. 2013;309(20):2159-2160. doi:10.1001/jama.2013.4794

A 10-month-old boy presents with erythematous swelling of bothears and right eyelid and erythematous perioral macules following a respiratory tract infection 12 days before presentation (Figure, A). Within 4 days the lesions increased in size, becoming large erythematous plaques on the face (Figure, B). Targetoid, purpuric lesions developed on the limbs (Figure, C), along with hand edema. There were no trunk lesions and no involvement of the mucous membranes. The child is otherwise in good general health. On examination he is afebrile, has normal vital signs, and there is no lymphadenopathy or organomegaly. Findings from urinalysis, complete blood cell count, coagulation studies, and liver and kidney function studies are unremarkable.

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