Budd-Chiari syndrome secondary to compression of liver out-flow by the hydatid cyst in a 20-year-old female patient. Hypertrophy of the caudate lobe with inhomogeneous mottled liver appearance is indicative of Budd-Chiari syndrome. Axial delayed phase contrast-enhanced CT shows a deformed cystic lesion in the deep portion of segments VII and VIII of the liver (white arrow) associated with pneumobilia secondary to previous sphincterotomy (white arrowhead)