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On a pleuropneumonia-like organism in lung lesions of rats, with notes on the clinical and pathological features of the underlying condition

Published online by Cambridge University Press:  15 May 2009

Dorothy B Steabben
Affiliation:
From the Bacteriological Department, Lister Institute, London
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1. A pleuropneumonia-like organism resembling L1 in all characteristic features has been isolated from a well-known lung condition of rats of hitherto obscure etiology in seventeen out of nineteen cases.

2. Morphological elements which presumably initiate growth in culture have been demonstrated microscopically in the lesions.

3. Streptobacillus moniliformis (i.e. L1 plus Streptobacillus) is a frequent inhabitant of the nasopharynx of rats with lung lesions; it may secondarily invade the lungs as it is found in severe cases together with the L1 organism.

4. An account is presented of the clinical and pathological features of the underlying condition with which the newly discovered bacteriological findings are associated.

5. The precise role played by the L1 organism in the pathogenesis of the lung lesions in rats has still to be established and further experiments with this end in view are in progress.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1937

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