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Published on: September 5, 2017
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Pulmonary Tuberculosis
Sarah M Lyon1, Milton D Rossman1
1Pulmonary, Allergy and Critical Care Division, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104.
Microbiology Spectrum
|February 11, 2017
Summary
Pulmonary tuberculosis involves lung infection by tuberculosis bacilli, with varied symptoms and imaging findings. Diagnosis relies on specific criteria, not routine tests, and considers special populations like HIV patients.
Area of Science:
- Pulmonary Medicine
- Infectious Diseases
- Radiology
Background:
- The lungs serve as the primary entry point for tuberculosis bacilli, facilitating systemic spread.
- Pulmonary tuberculosis presents with diverse symptoms and signs, varying between primary and reactivation forms.
Purpose of the Study:
- To review the diagnostic approaches for pulmonary tuberculosis.
- To differentiate tuberculosis manifestations in various patient groups and clinical scenarios.
Main Methods:
- Comprehensive review of literature on pulmonary tuberculosis.
- Analysis of diagnostic criteria, including chest X-ray and CT imaging.
- Discussion of tuberculosis in specific populations (HIV, elderly, TNF-alpha inhibitor users) and pleural involvement.
Main Results:
- Routine laboratory tests have limited diagnostic utility for tuberculosis.
- Distinct chest X-ray and CT findings differentiate primary from reactivation tuberculosis.
- Pulmonary tuberculosis in HIV-infected individuals shows unique patterns.
Conclusions:
- Accurate diagnosis of pulmonary tuberculosis requires specific criteria and imaging interpretation.
- Understanding tuberculosis in immunocompromised and elderly individuals is crucial.
- Management considerations include defining disease activity and implementing respiratory isolation.
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