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Bone marrow examination for the diagnosis of mycobacterial and fungal infections in the acquired immunodeficiency syndrome.

Abstract：

:In a series of 342 bone marrow examinations from 314 patients with human immunodeficiency virus infection, 70 examinations (20%) detected opportunistic mycobacterial or fungal infections. One hundred eleven of the 314 patients had such infections, and, hence, 63% (70/111) were detected by bone marrow examination. Special stains for microorganisms detected 16 (32%) of 50 Mycobacterium avium complex infections, 10 (22%) of 45 Mycobacterium tuberculosis infections, eight (73%) of 11 Histoplasma capsulatum infections, and five (83%) of six Cryptococcus neoformans infections. Bone marrow cultures detected 36 (72%) of the 50 M avium complex infections, 13 (29%) of the 45 M tuberculosis infections, and 63% of the fungal infections. Marrow examination revealed infection in only one of the 70 specimens (1%) collected to evaluate thrombocytopenia alone or hematologic malignancy, but in 69 (25%) of 274 with fever, neutropenia, anemia, or miscellaneous other indications for marrow examination. Granulomas were detected in 102 (30%) of the biopsy specimens, including 71 (64%) of those in cases with mycobacterial or fungal infection. The granulomas showed caseous necrosis in nine cases, all in patients with tuberculosis, and the 27 cases with tuberculosis-associated granulomas tended to show large, tightly cohesive granulomas. The presence of granulomas correlated with opportunistic infection in 82 (80%) of 102 cases. Without granulomas, special stains were positive in only eight (3%) of 240 specimens. These results suggest that (1) bone marrow granulomas are a common and valuable histologic clue to opportunistic infection; (2) without them, special stains may not be a cost-efficient way to diagnose such infection; and (3) bone marrow examination can be a useful method of diagnosing opportunistic mycobacterial and fungal infections in patients with fever, anemia or neutropenia, and underlying human immunodeficiency virus infection.

journal_name

Arch Pathol Lab Med

journal_title

Archives of pathology & laboratory medicine

authors

Nichols L,Florentine B,Lewis W,Sattler F,Rarick MU,Brynes RK

subject

Has Abstract

pub_date

1991-11-01 00:00:00

pages

1125-32

issue

eissn

0003-9985

issn

1543-2165

journal_volume

115

pub_type

杂志文章

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Bone marrow examination for the diagnosis of mycobacterial and fungal infections in the acquired immunodeficiency syndrome.