Figure 3From: Pseudotumoral tracheobronchial amyloidosis mimicking asthma: a case report Tracheal biopsy and histology findings. (a) A tracheal biopsy revealed a chorion occupied by massive amyloid deposits. (b) Intense staining by anti-lambda light chain antibodies confirming the diagnosis of an amyloid light-chain amyloid tumor.Back to article page