Not everything acid fast is Mycobacterium tuberculosis -: a case report

被引:19
作者
Olson, ES
Simpson, AJH
Norton, AJ
Das, SS [1 ]
机构
[1] St Bartholomews Hosp, Dept Med Microbiol, London EC1A 7BE, England
[2] St Bartholomews Hosp, Dept Histopathol, London EC1A 7BE, England
关键词
Ziehl-Neelsen stain; acid fast organisms; Mycobacterium tuberculosis; Nocardia asteroides;
D O I
10.1136/jcp.51.7.535
中图分类号
R36 [病理学];
学科分类号
100104 ;
摘要
The Ziehl-Neelsen (ZN) stain is important in identifying organisms that are acid fast, principally Mycobacterium tuberculosis. However, decolorisation with a weaker acid concentration (for example 1% hydrochloric acid), often used in ZN staining in histology, can result in a wider variety of organisms appearing acid fast and can be a cause of misidentification. To illustrate this point, a patient is described with pulmonary nocardiosis who was misdiagnosed as having tuberculous empyema on pleural biopsy.
引用
收藏
页码:535 / 536
页数:2
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