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Case Reports
. 2003 Oct 28;169(9):937-8.

Latent tuberculosis: revised treatment guidelines

Erica Weir  1 , David N Fisman
Affiliations
Case Reports

Latent tuberculosis: revised treatment guidelines

Erica Weir et al. CMAJ. .
No abstract available

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Figure. A 33-year-old man immigrated to Canada from a sub-Saharan African country. A screening chest radiograph obtained during the immigration process was read as abnormal, and the man was subsequently referred to a regional tuberculosis clinic for post-immigration assessment and medical surveillance. A repeat chest radiograph revealed right apical scarring (solid arrows) with volume loss and resultant retraction of the right main-stem bronchus (hollow arrows). The man had no known history of tuberculosis exposure and was otherwise healthy. The result of an unboosted tuberculin skin test was positive (induration of 10 mm); HIV-1 and HIV-2 antibody test results were negative. An induced sputum sample did not contain visible acid-fast bacilli. A 9-month regimen of isoniazid, 300 mg/d, was completed without difficulty.
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