Mature Cystic Teratoma Hiding in the Retroperitoneum of an Adult

Figure 2

CT scan of the abdomen (axial view) demonstrating the complex cystic mass that appears to arise from the retroperitoneum and displaces the left liver (L), pancreatic head (P), duodenum (D), and inferior vena cava (blue arrow) anteromedially. For orientation, the stomach (S) and aorta (red arrow) are labeled.