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JAMA Dermatology Clinicopathological Challenge |

Violaceous Eruption on the Head and Extremities QUIZ

Felicia E. Ekpo, DO1; Thomas L. Cibull, MD2,3; Edidiong Celestine Ntuen Kaminska, MD, MBS2,4
[+] Author Affiliations
1Sampson Regional Medical Center, Clinton, North Carolina
2Pritzker School of Medicine, University of Chicago, Illinois
3Department of Anatomic Pathology, NorthShore University HealthSystem, Skokie, Illinois
4Division of Dermatology, Department of Medicine, NorthShore University HealthSystem, Evanston, Illinois
JAMA Dermatol. 2015;151(10):1121-1122. doi:10.1001/jamadermatol.2015.2104.
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A man in his 50s of Indian descent presented with a pruritic eruption on his scalp, arms, neck, and feet. What is your diagnosis?

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Physical examination findings. A, Hyperpigmented annular plaques with violaceous borders on the scalp. B, Violaceous papules on the dorsal aspect of the hands. C, Histopathologic analysis of violaceous eruption on the hand. Lymphocytic infiltrate at the dermoepidermal junction (hematoxylin-eosin, original magnification ×10).

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