Primary retroperitoneal mucinous cystadenoma: Report of a case and review of the literature

Figure 1 Contrast-enhanced CT of the abdomen showing a 12 cm × 6. 5 cm homogenous cystic mass in the retroperitoneal space with medial displacement of the descending colon.

Figure 2 Photograph of the resected mass measuring 20 cm × 14 cm × 6 cm in size.

Figure 3 Photomicrograph showing a single layer of mucin-producing columnar epithelium with underlying fibrous connective tissue (HE, × 100).