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Pityriasis Lichenoides Chronica. Presented by Dr. J. F. Madden, St. Paul.
A plumber, aged 50, first noticed a generalized pruritic eruption covering most of the trunk in 1918. Since that time he had had many remissions and exacerbations of varied degrees. The eruption has never entirely disappeared. The patient has a generalized eruption which is more marked on the trunk, thighs and upper arms. The lesions are papules varying in size from that of a pinhead to that of a pea. Some are deep red; others are a dirty brown. The small lesions have little scale. The larger papules are covered with a fine, dry, adherent scale. The centers of some of the larger lesions appear to be depressed. A specimen taken for biopsy was shown.
Dr. H. E. Michelson, Minneapolis: I think that the condition is pityriasis lichenoides chronica. I should like to see pilocarpine tried.Dr. S.
Turnacliff DD, Shapiro EZ. MINNESOTA DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1933;28(2):262–268. doi:10.1001/archderm.1933.01460020116020