Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Caused by diffuse alveolar hemorrhage with abnormal accumulation of hemosiderin in the lung. The etiology is unknown.
The diagnosis is made by seeing iron laden macrophages in the sputum, gastric washings, or bronchial washings.
On film bilateral infiltrates that may be minimal or massive are seen.The infiltrates usually clear within a week. Atelectasis, emphysema, and hilar lymphadenopathy may also be present. The disease is progressive with repeated hemorrhagic episodes ultimately leading to the development of diffuse interstitial fibrosis in the lungs.
See References Chapter.
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