Fig. 17From: Central airway pathology: clinic features, CT findings with pathologic and virtual endoscopy correlationTracheal amyloidosis in a patient with a history of pulmonary amyloidosis and episodic dyspnoea. (i) Coronal MDCT scan shows tracheal nodules protruding into the tracheal lumen, which has calcifications. (ii) Axial MDCT scan demonstrates the nodular affectation and the compromised posterior tracheal wall. (iii) Virtual endoscopy shows diffuse nodular narrowing of the tracheal lumenBack to article page