To the Editor.—
Isolated lesions with histologic features almost indistinguishable from those in Darier disease were first given special standing by Helwig.1 Szymanski2 was the first to use the name "warty dyskeratoma" in his review of seven new cases. Tanay and Mehregan3 did a review of 112 cases of warty dyskeratoma that included all cases reported before 1967. Of these 112 cases, 88 were located on the head or neck, 17 on the trunk, three on the extremities (upper), one on the buccal mucosa, and three in unknown areas. None of the lesions were located on the lower extremities. We recently saw a patient with warty dyskeratoma located on the calf.The patient was a 57-year-old man who developed a 3-mm hyperkeratotic, centrally umbilicated nodule on the lower portion of the left calf. The lesion was excised. Histologic examination disclosed hyperkeratotic cupshaped invagination below which were seen
Storino WD, Bennin B, Vahl R. Warty Dyskeratoma of the Leg. Arch Dermatol. 1976;112(11):1616. doi:10.1001/archderm.1976.01630350082032
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