October 21, 2010

Random Nodules

Axial CT image shows multiple micronodules throughout both lungs. Some of the nodules are subpleural, and they are uniform in distribution.

Facts: Random Nodules
  • Nodules are randomly, and evenly distributed relative to structures of the lung and lobule
  • They tend to be symmetric
  • Often involve pleural surfaces (with subpleural nodules)
  • Common cause: hematogenous metastasis, miliary infection (TB, fungus)
Our case: hematogenous metastasis.

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