Retroperitoneal liposarcoma

Case contributed by Dr Ian Bickle

Presentation

Abdominal mass and weight loss

Patient Data

Age: 73
Gender: Male
CT

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.

Case Discussion

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.

 

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Case information

rID: 21862
Case created: 23rd Feb 2013
Last edited: 3rd Aug 2017
System: Urogenital
Inclusion in quiz mode: Included

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