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Purpura FactitiaAn Analysis of Criteria for Its Differentiation From Auto-Erythrocyte Sensitization Purpura
Mario Stefanini, MD;
Edward T. Baumgart, MD
Arch Dermatol. 1972;106(2):238-241.
Abstract
"Spontaneous" ecchymoses were noted in a case of purpura factitia. They occurred in easily accessible parts of the body without evidence of trauma. Histologic findings in areas of hemorrhage were insignificant. With a number of antigens, skin-sensitivity tests were positive, provided the antigens were injected in accessible areas, and the patient was informed of the expected result of the test. Protecting an area with a cast or a thigh bandage resulted in freedom from ecchymoses. Criteria of differential diagnosis between purpura factitia and auto-erythrocyte sensitization purpura are analyzed.
Author Affiliations
Danville, Ill
From the Department of Pathology, Saint Elizabeth Hospital, Danville, Ill; and the University of Illinois College of Medicine, School of Basic Medical Sciences, Urbana-Champaign.
Footnotes
Accepted for publication Oct 12, 1971.
Reprint requests to Department of Pathology, St. Elizabeth Hospital, 600 Sager Ave, Danville, Ill 61832 (Dr. Stefanini).
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