Significance and interpretation of laboratory tests in pulmonary aspergillosis

AUTOR(ES)

English, Mary P.

RESUMO

The significance of the isolation of Aspergillus fumigatus from sputum may be difficult to interpret because of the frequent occurrence of this fungus in the atmosphere. Criteria are given for classifying positive sputa into two groups, `fungus scanty' and `fungus abundant', on the basis of cultural and microscopical findings. A relationship between sputum findings thus classified and the occurrence of Aspergillus antibodies in the patient's serum is demonstrated. The diagnostic importance of direct microscopical examination of sputum is noted.

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