Primary tracheobronchial amyloidosis. A case report and review of reported cases.


A case of diffuse tracheobronchial amyloidosis in a 70-year-old woman thought clinically at first to have lung carcinoma is reported. Bronchoscopic biopsy was necessary to make a diagnosis. Amyloid was deposited markedly in the subepithelial layer. After Congo-red staining amyloid showed the usual apple-green birefringence under polarizing microscope… (More)