Figure 5c. Cystic teratoma in a 3-year-old girl. (a) Contrast-enhanced CT scan shows a well-defined hypoattenuating mass with internal septa and calcifications in the right anterior pararenal space (arrow). (b) Photograph of the gross specimen shows the cyst wall as an irregular and protruding solid area. (c) Photomicrograph (original magnification, x40; H-E stain) demonstrates skinlike tissue.