Tracheobronchial amyloidosis-a series of two cases.

Amyloidosis is a rare disorder characterised by accumulation of insoluble fibrillar proteins in extracellular space. Respiratory amyloidosis presents as two tracheobronchial forms (local and diffuse) and two parenchymal forms (nodular and diffuse), of which diffuse tracheobronchial amyloidosis is the least common. We herein present two cases of tracheobronchial amyloidosis.