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?
Solitary congenital calcified nodule of the ear.
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
Mallory SB, Tryka AF. Solitary Congenital Nodule of the Ear. Arch Dermatol. 1988;124(5):773-774. doi:10.1001/archderm.1988.01670050117038