Imaging features and management of focal liver lesions

Figure 9 Inactive hydatid cysts. A: Axial non-contrast computed tomography (CT) image shows a heterogeneous hypodense hydatid cyst (arrow) with a partially calcified wall (arrowhead); B: Axial contrast-enhanced CT image shows a heterogeneous hypodense hydatid cyst (arrow) with a partially calcified wall (arrowhead); C: Ultrasound image of another patient demonstrates a heterogeneous calcified hydatid cyst (World Health Organization type CE5, arrow) with acoustic shadowing (arrowheads); D: Axial non-contrast CT image shows a calcified hydatid cyst (arrow).