3 CASES OF PRIMARY PULMONARY AMYLOIDOSIS

In three cases of primary pulmonary amyloidosis the chief complaint wa s hemosputum. The diagnosis of amyloidosis was made using histochemica l analysis of bronchial wall biopsy in all cases; multiple nodular les ions were observed in trachea and bronchi on flexible fiberoptic bronc hoscopy, The surface of the tracheobronchial mucosa was smooth but ble d easily. In one patient, chest X-ray film showed a solitary nodular s hadow in the left lower lung field. These three cases were tracheobron chial amyloidosis, and one case was combined with nodular parenchymal type amyloidosis.