Drug-resistant TB shows abnormalities on CT

March 24, 2009 Diagnostic Imaging. Drug-resistant TB shows abnormalities on CT By Rebekah Moan Micronodules, tree-in-bud appearance, consolidations, cavities, bronchiectasis, and lobular consolidations are frequent CT abnormalities of extensively drug-resistant tuberculosis. Dr. Eun Sun Lee from the Seoul National Hospital in Korea and colleagues made these determinations by retrospective review of microbiological results and drug sensitivity tests of 260 patients. They had been diagnosed with multidrug-resistant tuberculosis (MDR-TB) from 1994 to 2005. The researchers found that 47 patients had extensively drug-resistant tuberculosis and the other 213 patients had multidrug-resistant TB. CT examinations were performed on 20 of the 47 drug-resistant TB patients and 85 of the 213 multidrug-resistant TB patients.

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