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This booklet was written by a dermatologist from the dermatological viewpoint. It presents the subject of leprosy to clinicians who desire more than brief information incorporated in textbooks of medicine but do not need extensive details. After discussion of the historical background and etiology of leprosy, the author considers the basic epidemiology of the disease, concluding that the "open" case is "potentially dangerous, especially for children." Nomenclature employed is that adopted at the Havana Congress on Leprosy (1948), namely, lepromatous and tuberculoid types and, in addition, an indeterminate group that has resisted classification. Diagnosis is based on clinical suspicion and differentiation from other cutaneous lesions and is supported by finding of the etiological agent in the lesion or evidence of nerve damage that can be attributed only to leprosy. Considerable emphasis is placed on the clinical features, histological characteristics, bacteriological and immunologic tests, and the clinical course, which distinguishes the
Modern Concepts of Leprosy.. JAMA. 1953;152(16):1579. doi:10.1001/jama.1953.03690160079041