Dieualfoy's disease occurs most often in the stomach or rectum. Occasionally it may occur in a bronchus.
The basis of Dieulafoy's disease is an aberrant bronchial artery in the submucosa of the bronchus, often having a polypoid appearance.
Klinical features: recurrent episodes of hemoptysis, which may be massive
If microparticles are used in an attempt to control unexplained bleeding, the presence of the microparticles in the sputum is suggestive of Dieulafoy's disease.
The presence of anticoagulation or coagulopathy may worsen bleeding.
The diagnosis involves exclusion of bronchial tumor or other cause for bleeding.
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