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

Figure 6 Cystic echinococcosis 5 hydatid cyst disease. A: Ultrasound image showing a cystic echinococcosis 5 hydatid cyst with dense peripheral calcification revealing posterior acoustic shadowing (arrow); B: Computed tomography axial image showing a densely peripherally calcified cyst in the liver (arrow); C: Ultrasound image of another patient with a type V hydatid cyst in the right lobe of liver showing marked posterior acoustic shadowing (arrow); D: Computed tomography axial image shows a densely calcified lesion in the right lobe of the liver (arrow) corresponding to a calcified inactive hydatid cyst.