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November 2007

Recurrent Calcified Cutaneous Nodule of the Perianal Region—Quiz

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Copyright 2007 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2007

Arch Dermatol. 2007;143(11):1441-1446. doi:10.1001/archderm.143.11.1441-c

A 14-year-old immunocompetent boy who had been receiving growth hormone therapy for 2 years presented with a slowly progressing papule on the gluteal fold that had appeared a few months earlier. Physical examination revealed a smooth, firm, skin-colored, exophytic papule, situated more than 2.5 cm from the anal verge, measuring 0.5 cm in diameter. The lesion was excised, and microscopic examination showed irregular deep-blue basophilic masses. A diagnosis of traumatic or idiopathic cutaneous calcinosis was made. A complete serum analysis demonstrated no abnormalities, and there was no evidence of autoimmune disease or metastatic calcification.