AJTMH Transactions of the Royal Society of Tropical Medicine and Hygiene
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Am. J. Trop. Med., s1-2(4), 1922, pp. 293-303
Copyright © 1922 by American Journal of Tropical Medicine

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Contributions to the Bacteriology of Leprosy1

I. The Diphtheroid in Leprosy

Ernest Linwood Walker
From the George Williams Hooper Foundation for Medical Research, University of California Medical School, San Francisco

1. The pleomorphic, partly acid-fast diphtheroid of Bordoni-Uffreduzzi and other authors can be cultivated more or less constantly from nasal and other open lesions of lepers, as well as from non-ulcerating leprous lesions.
2. This diphtheroid differs in its large size, extreme pleomorphism, peculiar colonies, carbohydrate fermentations and partial acid-fastness from all diphtheroids from other sources adequately described in the literature.
3. A search for the possible saprophytíc source of this diphtheroid from leprous lesions has disclosed that it is apparently identical with a diphtheroid cultivable from smegma praeputii, which is probably a cultural form of the pleomorphic and facultative acid-fast Bacillus smegmatis.


1 Read at the eighteenth annual meeting of the American Society of Tropical Medicine, May 2 and 3, 1922, Washington, D. C.







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