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Leiomyoma is adequately discussed in the literature and in recent textbooks, so that there is no occasion for its routine description here. The nevoid hyperplasia of nonstriated muscle is perhaps less clearly defined, and the ease with which it is overlooked is well illustrated by the following case.
REPORT OF A CASE
A man, aged 26 years, presented himself for examination because of furunculosis of the neck and involvement of the hair follicles of that region amounting to a dermatitis papillaris capillitii. When he was stripped for examination, a papular acneform eruption was recognized over the back. On the lower left flank (Fig. 1) was a patch, 5 by 10 cm. in diameter, showing marked accentuation of the hair follicles, with minute papular elevations around the orifices. Over a considerable portion of the patch was a definite hypertrichosis; the hairs were markedly flattened and twisted. There was little or no
STOKES JH. NEVUS PILARIS WITH HYPERPLASIA OF NONSTRIATED MUSCLE. Arch Derm Syphilol. 1923;7(4):479–481. doi:10.1001/archderm.1923.02360100052007