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October 1950


AMA Arch Derm Syphilol. 1950;62(4):593-595. doi:10.1001/archderm.1950.01530170119022

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Sarcoidosis: Involvement of Scalp. Presented by Dr H. A. Haynes Jr. and Dr J. H. Strauch.

Miss M. R., a white woman aged 56, presents the complaint of a gradually spreading eruption on the scalp present for ten years, beginning on the frontal area and progressing toward the vertex. The eruption is associated with partial to complete loss of hair in the involved areas and with some adherent scales.

The patient is a native-born American. She has had no contact with tuberculosis.

The frontal area and vertex of the scalp present a diffuse atrophy, with partial alopecia. The border of the lesion presents numerous yellow-brown pea-sized macular lesions, which have an apple jelly color on diascopy. Slight infiltration of the border is present, but there is no ulceration. Two reddish brown pea-sized papules are also present on the bridge of the nose.

The reaction to first strength precipitated protein

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