Section 29
Chapter 28,114

Disseminated atypical mycobacteriosis

Yamadori, I.; Motoi, M.; Hayashi, K.; Tsutsumi, A.; Ogawa, K.; Doi, K.; Hamaya, K.

Acta Pathologica Japonica 34(2): 459-469


ISSN/ISBN: 0001-6632
PMID: 6741553
DOI: 10.1111/j.1440-1827.1984.tb07574.x
Accession: 028113575

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Two cases of disseminated infection caused by Mycobacterium intracellulare were reported and discussed. In the first case, the patient was a fifty-seven-year-old male who complained of general fatigue, weight loss, and fever. Biopsy of the right inguinal lymph nodes and the liver revealed infiltration by histiocytes engulfing many acid-fast bacilli. At autopsy and egg-sized abscess was found is the region of the right iliac lymph nodes. Histological examination showed histiocytic infiltration in the abscess wall, neighboring lymph nodes, liver, and spleen. In the second case, the patient was a four-year-old boy, who had persistent fever and splenomegaly. Splenectomy was performed and histological examination of the spleen revealed multiple nodular infiltration by swollen histiocytes with many acid-fast bacilli in their cytoplasm. The bone marrow aspirates and liver tissue obtained in the necropsy also showed many histiocytes containing many acid-fast bacilli. The authors emphasized the importance of paying special attention to atypical mycobacteriosis in feverish patients having lesions with a proliferation of histiocytes.

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