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May 1988

Solitary Congenital Nodule of the Ear

Author Affiliations

University of Arkansas Medical Center, Little Rock

Arch Dermatol. 1988;124(5):773-774. doi:10.1001/archderm.1988.01670050117038

REPORT OF A CASE  A 5-month-old male infant had been born with a firm nodule on the helix of his left ear (Fig 1). In addition, he had a small congenital nevus of the left middle part of his back (1 cm in diameter). Physical examination revealed a 3-mm oval, firm, white nodule on the helix of his left ear. Shave excision demonstrated focal collections of calcium in the dermis surrounded by histiocytes and multinucleated giant cells (Figs 2 and 3). Serum calcium and phosphorus levels as well as results of renal studies were normal.What is your diagnosis?

DIAGNOSIS:  Solitary congenital calcified nodule of the ear.

DISCUSSION  In 1952, Winer1 described three cases of solitary congenital nodular calcifications of the skin. Since then, only a few scattered reports have appeared.2 Speculations about the histogenesis have revolved around the calcification of preexisting

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