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September 1926


Arch Derm Syphilol. 1926;14(3):354-359. doi:10.1001/archderm.1926.02370210113016

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Hypertrophic Lichen Planus or Verrucous Nevus. Presented by Dr. Whitehouse.  M. N., a youth, aged 17, said that the lesions had been present for three months. On the interior surface of the right thigh there was a linear eruption which extended to the anterior surface of the knee and skin. It consisted of several thick, keratotic patches surmounted by horny plugs which could be expressed, leaving pitlike depressions in the skin. On the shin, besides numerous keratotic lesions, there was a verrucous patch, 4 by 2 cm. in size. There were no subjective symptoms.

DISCUSSION  Dr. Highman: Presumably it is a nevus, but it would seem to me necessary to rule out the hypertrophic variety of lichen planus. I think it is a case in which microscopic study will throw some light on the question.Dr. Bechet: I think one can eliminate lichen planus because of the deep plugs which

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