Dr Henry Knipe et al.

Thoracoliths are rare, calcified pleural-based nodules that are almost always incidental findings. They are usually considered mobile, and more common on the left.


The exact aetiology is unknown and theories include 1,2:

  • calcified fibrin body
  • degenerated pleural lipoma
  • old tuberculosis
  • foreign body granuloma
  • dropped pleural or pericardial fat
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Article information

rID: 53188
System: Chest
Section: Gamuts
Tags: refs, stub
Synonyms or Alternate Spellings:
  • Thoracolithiasis
  • Pleurolith
  • Pleural stone

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