Atypical Locations of Pulmonary Tuberculosis and the Influence of the Roentgenographic Patterns and Sample Type in Its Diagnosis
- 1 January 1997
- journal article
- research article
- Published by S. Karger AG in Respiration
- Vol. 64 (4) , 296-299
- https://doi.org/10.1159/000196690
Abstract
In 97 cases of pulmonary tuberculosis (PTB), we analyzed the incidence of atypical roentgenographic locations, roentgenographic patterns, the correlation between the diagnostic yield and the roentgenographic pattern and the usefulness of simple or induced sputum (82 cases), bronchoaspirate (BAS; 29 cases), postfiberoptic bronchoscopy sputum (PFBS; 16 cases) and how the different tests supplemented each other. Atypical locations were defined as those not corresponding to classic primary and postprimary PTB. This atypical-location PTB index was 8.2%, and roentgenographic patterns found most frequently were: destructive 52.5%, destructive-alveolar 20.6% and alveolar 12.3%. Lowenstein-Jensen (LJ) culture of the sputum of alveolar-pattern cases improved acid-fast bacillus (AFB) diagnosis by 46% (pKeywords
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