Abdominal mass and weight loss
Loading Stack -
0 images remaining
Huge right-sided retroperitoneal mass - largely composed of fat, but also several soft tissue components. The mass is displacing the right kidney anteriorly, as well as the liver and bowel anteromedially.
3 case questions available
Retroperitoneal liposarcoma is uncommon. It forms one of the spectrum of fat containing retroperitoneal masses, which range from benign to frankly and aggressively malignant lesions.
It contains both fatty and soft tissue elements and is often sizeable before presentation. They characteristically displace, rather than infiltrate adjacent structures.
- 1. Nishino M, Hayakawa K, Minami M et-al. Primary retroperitoneal neoplasms: CT and MR imaging findings with anatomic and pathologic diagnostic clues. Radiographics. 2003;23 (1): 45-57. Radiographics (full text) - doi:10.1148/rg.231025037 - Pubmed citation
- 2. Craig WD, Fanburg-Smith JC, Henry LR et-al. Fat-containing lesions of the retroperitoneum: radiologic-pathologic correlation. Radiographics. 2009;29 (1): 261-90. Radiographics (full text) - doi:10.1148/rg.291085203 - Pubmed citation