Fig. 2
A representative case showing cyst progression in a 54-year-old male with BHD disease. a, b, e, f Baseline axial and coronal CT images and figures. c, d, g, h CT images obtained 6 years later. b, d, f, h Low attenuation area as a color map according to cyst size analyzed by in-house software. Black box in g indicates a cyst with “air-cuff signs”