Figure 15b. Nonpancreatic pseudocyst in a 53-year-old man. (a) Contrast-enhanced CT scan shows a well-defined cystic mass anterior to the right kidney (arrow). (b) Photomicrograph (original magnification, x40; H-E stain) shows the cyst wall, which consists of connective tissue, along with severe chronic inflammation and hemorrhage. No cell lining is present.