Fig. 20From: Central airway pathology: clinic features, CT findings with pathologic and virtual endoscopy correlationRelapsing polychondritis of the trachea in a 51-year-old patient. (i) Axial MDCT shows wall thickening, sparing the posterior wall of the trachea. (ii) Coronal MDCT shows extensive compromise of the trachea. Note the high density of the thickening wallBack to article page