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Pityriasis Lichenoides et Varioliformis Acuta. Presented by Dr. Louis Rubin, Rockford, Ill.
A 23-year-old white man states he had no cutaneous eruption prior to about March 1, 1955. At that time he developed a dry scaly lesion on his right thigh, and a few days later a generalized, erythematous, papular eruption. There were no premonitory symptoms.
At present on his neck, trunk, arms, upper legs, and areas of feet he has erythematous papules up to about 8 mm. in diameter. Many lesions have hemorrhagic centers and hemorrhagic crusts. Some lesions have become ulcerated, and a few have a suggestion of a vesicular center. Pruritus is marked.
Biopsy section shows the epidermis to be necrotic in one area. Bordering this there are large swollen epithelial nuclei and pale-staining binucleate cells. The cytoplasm of some epithelial cells is condensed and assumes the appearance of individual cell keratinization. Many of the
Neuhauser I, Bluefarb SM. CHICAGO DERMATOLOGICAL SOCIETY. AMA Arch Derm. 1956;73(3):283–286. doi:10.1001/archderm.1956.01550030085020
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