Hepatic hydatid cyst disease in low- and middle-income countries: Spectrum of imaging findings and complications

Figure 9 Biliary complications of hydatid cyst. A: Ultrasound images show a large characteristic case of cystic echinococcosis 3a hydatid cyst disease with internal floating membranes (arrows); B: A fluoroscopic exam performed after catheter placement and the percutaneous aspiration injection and reaspiration procedure shows opacification of the biliary tree, suggesting a fistula with biliary communication (arrow); C: Axial computed tomography image shows a large cyst in the right lobe of the liver (arrow); D: Coronal computed tomography image showing floating internal membranes within the cyst (arrow).