Cellufluor (Calcofluor white) has been found to be a useful, rapid chemofluorescent stain for detection of Pneumocystis carinii cysts in bronchoalveolar lavage samples. When compared with toluidine blue O and Giemsa stains on 45 specimens (22 positive and 23 negative), the sensitivity and specificity of the Cellufluor stain were 95 and 100%, respectively.
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Baselski et al. (1990) studied this question.
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