Cause Of Nodules In Lungs

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Definition

A solitary pulmonary nodule is a round or oval spot (lesion) in the lungs that is seen with a chest x-ray or CT scan.


Causes, incidence, and risk factors

More than half of all solitary pulmonary are noncancerous (benign). Benign nodules have many causes, including old scars and infections.

Infectious granulomas are the cause of most benign lesions.

You have a greater risk for developing a solitary pulmonary nodule if you have:

  • Tuberculosis or been exposed to TB
  • Infectious lung diseases...
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