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February 1, 1896


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JAMA. 1896;XXVI(5):219-220. doi:10.1001/jama.1896.02430570021001g

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Mr. C., age 31, single; traveling salesman; American parentage; healthy, well developed and of fair intelligence; habits not strictly temperate; raised in moderate circumstances; no epilepsy or other nervous troubles known in his family.

Beginning about half an inch below the right ear and posteriorly, running obliquely downward and backward across the sterno-mastoid muscle, is a double parallel row of closely connected but distinct, averaging pin-head-size papules, on a slightly elevated red base, measuring one inch long by one-fourth inch wide, but somewhat narrower in its middle from arrested development and slightly bent upon itself as if broken, but not disconnected. This patch presents an irregular, rough surface of twenty-seven distinct but closely connected papules, each surrounding the dilated orifice of a sebaceous follicle, from which a slender, thread-like sebum can be expressed.

The summit of each papule is paler than the base on which it rests. The base itself

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