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Lupus Annularis or Sarcoid. Presented by Dr. Ketron.
An American housewife, aged 60, presented about thirty lesions limited to the face, forehead and ears, which varied in size from that of a pea to that of a quarter. The smallest ones were yellowish, smooth, nonelevated, roundish, irregular implantations in the skin. As they increased in size central clearing took place with thin, soft scar formation and the development of discrete or confluent annular lesions with a yellowish edge, 2 or 3 mm. wide, which was either continuous or formed segments and was usually scaly. Under glass pressure, the infiltration had a lupoid, translucent color. The general physical examination gave negative results.The Pirquet skin test with Koch's old tuberculin and the Wassermann reaction were negative; roentgen examination of the chest, chemical analysis of the blood, blood cell count and urinalysis were unimportant. In one portion of the section taken for
Ketron LW. ATLANTIC DERMATOLOGICAL CONFERENCE: NEW YORK, NEW ENGLAND, PHILADELPHIA AND BALTIMORE-WASHINGTON DERMATOLOGICAL SOCIETIES. Arch Derm Syphilol. 1929;19(6):992–1015. doi:10.1001/archderm.1929.02380240127018
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