Musculoskeletal CT Appearances

Retroperitoneal Liposarcoma CT Findings

• Macroscopic fat in most of the tumor
• Smooth, lobular margins
• Thick speta >3mm
• Nodular
• Mild or low enhancement with IV contrast

Other Information About Retroperitoneal Liposarcoma

Etiology:

• Unknown

Epidemiology:

• More common in males
• Typically presents at ages 35-65

Presentation:

• Palpable mass
• Swelling
• Pain
• Loss of appetite
• Constipation
• Blood in stool
• Hematatemesis
• Weakness
• Cramping

Prognosis:

• 5-year relative survival rate is about 83% for well-differentiate RL and 20% for dedifferentiated

Related Pearls: Retroperitoneum