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Free Content HRCT shows variations in appearance in disseminated tuberculosis in adults

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OBJECTIVE: To examine patterns of high resolution computed tomography (HRCT) of lungs of adults with disseminated tuberculosis (TB).

DESIGN: Disseminated TB was defined as radiological involvement of all lung lobes.

RESULTS: The case series illustrated wide variation in HRCT of disseminated TB. Patterns identified on HRCT included 1) miliary TB (haematogenous dissemination), 2) miliary TB with exudative reaction, 3) bronchogenic spread, 4) miliary TB mixed with bronchogenic spread, and 5) bronchogenic spread with multiple cavity formation.

CONCLUSION: The HRCT patterns described allow classification of disseminated TB according to the mechanism of spread (haematogenous and/or bronchogenic) and the degree of local lung involvement (reaction or cavitation).

Keywords: Mycobacterium tuberculosis infection; bronchogenic spread; exudative reaction; miliary

Document Type: Regular Paper

Affiliations: 1: Department of Medicine and Therapeutics, Control and Prevention of Infectious Diseases (First Department of Internal Medicine), Faculty of Medicine, Ryukyus University, Okinawa, Japan 2: First Department of Internal Medicine, Faculty of Medicine, Kagawa University, Kagawa, Japan 3: Department of Internal Medicine, Sakaide City Hospital, Kagawa, Japan

Publication date: February 1, 2006

More about this publication?
  • The International Journal of Tuberculosis and Lung Disease publishes articles on all aspects of lung health, including public health-related issues such as training programmes, cost-benefit analysis, legislation, epidemiology, intervention studies and health systems research. The IJTLD is dedicated to the continuing education of physicians and health personnel and the dissemination of information on tuberculosis and lung health world-wide.

    Certain IJTLD articles are selected for translation into French, Spanish, Chinese or Russian. They are available on the Union website

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