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Article
June 1970

LICHEN-PLANUS-LIKE KERATOSIS

Author Affiliations

Department of Dermatology University of Miami School of Medicine 1600 NW Tenth Ave Miami, Fla 33136 Lewis Shapiro Columbia University MD New York 10027

Arch Dermatol. 1970;101(6):705. doi:10.1001/archderm.1970.04000060077023
Abstract

To the Editor.—  In 1966, a solitary keratotic lesion was described independently by Lumpkin and Helwig1 and by us.2 The lesion did not resemble lichen planus clinically, but it was indistinguishable from lichen planus histologically. No clinical photographs were taken because of the mundane appearance of this lesion.Recently a photograph of an irregularly shaped, elevated, indurated, reddish-brown, scaly lesion, 1.5 cm in diameter, was obtained (Fig 1). It had been present for approximately two years on the forearm of a 51-year-old woman, a patient of Dr. Nardo Zaias. This lesion was strikingly different morphologically from her numerous other keratoses and lentigines. Histologically, the lesion proved to be lichen planus (Fig 2).To our knowledge, no clinical photograph of the lichen-planus-like keratosis has ever been published. We thought our photographs would be of interest to your readers.

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