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Chest, Vol 96, 835-839, Copyright © 1989 by American College of Chest Physicians
ARTICLES |
JC Chan, SY So, WK Lam and MS Ip
Department of Medicine, University of Hong Kong.
In areas where tuberculosis is endemic, clinicians managing immunocompromised patients (ICP) are confronted with the possibility of Mycobacterium tuberculosis as a pathogen. To determine the incidence and clinical pattern of, the diagnostic approach to, and potential therapeutic implications of pulmonary tuberculosis in this patient population, we reviewed 62 non-HIV infected ICP in Hong Kong who had bronchoscopy because of pulmonary infiltrates. Pulmonary tuberculosis was the second most common cause after bacterial infections. Clinical and radiographic presentations of 12 patients with tuberculosis were nonspecific. Flexible bronchoscopy for tuberculosis carried a diagnostic sensitivity of 91.7 percent. We conclude that for the non- HIV infected ICP from areas where tuberculosis is endemic: M tuberculosis should be suspected as the pathogen; radiographic findings are diagnostically not helpful; FB is a sensitive diagnostic test for tuberculosis and in smear-negative cases where tuberculosis is suspected, initiation of empiric anti-tuberculosis therapy should be considered while awaiting culture results.
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