PMC5771723_01
Clinical images of the rash over the right flank and right axilla. A, A 3-cm violaceous plaque with an inward-facing central scale on the right flank. B, Multiple grouped violaceous scaly papules each measuring 0.5 to 1 cm under the right axilla.
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The physical examination revealed a large, isolated, 3-cm violaceous plaque with a trailing central scale over the right flank (Fig 1, A) and multiple grouped violaceous scaly papules each measuring 0.5 to 1 cm under the right axilla (Fig 1, B) and over the upper aspect of the left chest.
Histopathologic images of punch biopsy specimens obtained from the right flank. A, Superficial perivascular infiltrate with spongiosis. B, Perivascular cell infiltrates consisting of lymphocytes and eosinophils, suggestive of drug eruption. (Hematoxylin-eosin stain; original magnification: A, x4; B, x10.)
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A punch biopsy specimen was obtained and histopathologic examination revealed chronic spongiotic dermatitis with eosinophils, consistent with a drug eruption (Fig 2).