FIGURE 13.
Hydatid cysts. Axial contrast enhanced CT images (a, b) of the abdomen in a 6-year-old child reveal multiple, well-defined peripherally enhancing unilocular cystic lesions in the mesentery and pelvis (white arrows) with no internal septations, mural nodule or calcification within the lesions. Coronal reformatted CT image (c) reveals well-defined unilocular cysts in the liver and spleen with no internal septations, calcifications or mural nodule.