What causes benign lung nodules?
What causes benign lung nodules?
There are many possible causes of benign lung tumors and nodules. These include:
- Granulomas (small clumps of inflamed cells) that develop as a result of a bacterial infection such as tuberculosis or from fungal infections such as histoplasmosis or coccidiomycosis.
- A lung abscess (pus-filled infection usually caused by bacteria).
- Inflammation from such diseases as rheumatoid arthritis, sarcoidosis or Wegener’s granulomatosis.
- Infection from human papilloma virus.
- Birth defects such as a lung cyst, scars, or other lung malformation.
- No known cause.