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Respiratory system

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pulmonary alveolar proteinosis

overproduction of surfactant (?) ==> alveolar (end-air-space) filling

  • peak age: 20 - 50 yrs
  • 10-20% asymptomatic
  • tx: brochoalveolar lavage
  • prognosis: variable from recovery to progression and death
  • may be complicated by superinfection (Nocardia,mycobacterium)

Findings:
  • "bat-wing" alveolar infiltrate
  • no interstitial disease, the only PURE air-space disease
  • no adenopathy

Charles E. Kahn, Jr., MD  -  2 February 1995
Last updated:  1 October 2013


 

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Copyright © 2013, Charles E. Kahn, Jr.