FURTHER OBSERVATIONS ON A PATHOGENIC MOULD FORMERLY DESCRIBED AS A PROTOZOON (COCCIDIOIDES IMMITIS, COCCIDIOIDES PYOGENES).
FROM THE PRECEDING I DERIVE THE FOLLOWING CONCLUSIONS: 1. The disease which formerly has been described as a form of protozoon-infection is due to an infection with a pathogenic fungus. 2. The infection may primarily be either a cutaneous or a pulmonary one. 3. The lesions produced by this fungus fall under the general head of infectious granulomata and consist partly in nodules resembling altogether those produced by the tubercle bacilli and partly in chronic abscesses. 4. The adult forms of the parasite are more apt to produce nodules, the sporulating forms abscesses. 5. The fungus is pathogenic for dogs, rabbits and guinea-pigs probably other animals also, and in them produces lesions very similar to those which we encounter in the human being in this disease. 6. Supurative periorchitis in guinea-pigs is not pathognomonic for glanders.
Ophüls
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Pathological Laboratory, Cooper Medical College, San Francisco.