Radiology Notes

My notes during radiology residency, fellowship, and beyond…

Aspergillosis Spectrum

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  • fungus ball
  • preexisting cavity, bulla, bronchiectasis
  • saprophytic
  • sarcoidosis, CF
  • Hemoptysis
  • round opacity within cyst or cavity
  • air crescent
  • mobile
  • pleural thickening

Semiinvasive Aspergillosis

  • Mildly immunosuppressed hosts
  • focal consolidation > cavity > air crescent > thick-walled cyst > fungus ball

Invasive Aspergillosis

  • Immunocompromised hosts
  • granulocytopenia
  • single or multiple nodules
  • cavitation
  • air crescent
  • “Halo” sign on CT

Allergic Bronchopulmonary Aspergillosis

  • Hypersensitiviy reaction to aspergillus in mucous plugs
  • mucoid impaction
  • asthmatic patients
  • lobar consolidation
  • chronic, upper lobe scarring and bronchiectasis

Written by lmwong

October 8, 2013 at 9:12 pm

Posted in chest, differential

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