What is the role of chest CT scanning in the diagnosis of mycobacterium chelonae infection?

Updated: Dec 20, 2018
  • Author: Alfred Scott Lea, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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If the patient has significant respiratory symptoms or repeatedly positive cultures for the M chelonae with a lack of cavitary disease on chest radiography, high-resolution CT scanning is likely indicated.

Typical CT scan findings include bronchiectasis, “tree-in-bud” appearance, or diffuse small nodules, which may not be apparent on routine chest radiography.

If the chest radiographic findings are abnormal, chest CT scanning may be performed to obtain better definition of the abnormalities present. Small cavities, nodules, and lymphadenopathy may be detected.

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