Primary tracheo-bronchial amyloidosis studied with 64-slice MDCT (2D and 3D reconstructions).

摘要

A 50-year-old Caucasian man was presented to the emergency department with cough and progressive dyspnoea. Plain chest x-ray showed multiple pseudo-nodular parenchymal opacities, partly confluent and calcified, prominent in the middle-basal lung fields (figure 1A). Volumetric high-resolution computed tomography (HRCT) confirmed multiple bilateral parenchymal nodules with lobulated margins and extensive calcifications due to diffuse bron-chiectasis with thickened and calcified walls (figure IB-C). Airways involvement was evident, characterised by submucosal deposits and lumen distortion mainly in the trachea, without sparing of the posterior membranous portion, and main and segmental bronchi (figure 2).