期刊
JOURNAL OF COMPARATIVE PATHOLOGY
卷 137, 期 4, 页码 245-248出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jcpa.2007.06.005
关键词
bacterial infection; Mycobacterium microti; Saimiri sciurers; squirrel monkey; tuberculosis
Mycobacterium microti, a member of the Mycobacterium tuberculosis complex, causes tuberculosis in small rodents and occasionally in other mammals including man. Three adult male squirrel monkeys, two with a history of lethargy, weakness and stridor and one with paralysis of the hind legs, were presented for necropsy. One of the two lethargic animals showed multiple granulomas in the mesentery, mesenteric lymph nodes, lung, liver, kidneys and spleen, while the other showed granulomas only in the lung. The animal with paralysis of the legs had an abscess-like lesion in the skeletal muscle of the neck, granulomas in the mesenteric and mediastinal lymph nodes, and a fracture of the thirteenth thoracic vertebra with severe lesions of the spinal cord. Histologically the granulomas showed typical features of tuberculous granulomas, i.e., central necrosis surrounded by epithelioid cells, multinucleated giant cells, inflammatory cells and a border of connective tissue. Ziehl-Neelsen stain demonstrated sporadic acid-fast bacilli within the granulomas, these organisms being identified as M. microti by microbiological and molecular methods. (C) 2007 Published by Elsevier Ltd.
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