Amyloidosis of the larynx and tracheobronchial tree is usually described as a nonbleeding lesion. However, severe hemorrhage, often fatal, is reported in other organs involved by this disease. A fatal bronchopulmonary hemorrhage was found in a 23-year-old woman unsuspected of having amyloidosis. The possible causes of hemorrhage in this disease are a vessel wall involvement or disturbances of the blood clotting mechanism.
Shaheen NA, Salman SD, Nassar VH. Fatal Bronchopulmonary Hemorrhage Due to Unrecognized Amyloidosis. Arch Otolaryngol. 1975;101(4):259–261. doi:10.1001/archotol.1975.00780330055014
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