Retroperitoneal Sarcoma

Q) Which of the following about retroperitoneal sarcoma is true?

a) Angiosarcoma is the most common retroperitoneal sarcoma

b) Most common presentation is pain abdomen

c) Lymph node resection should be done even if no lymph nodes are seen on imaging (CT and MRI)

d) Radiation causes retroperitoneal sarcoma at an average of 10 years after exposure

Answer for all 

Retroperitoneal Sarcoma on CT

 d) Radiation is a known risk factor which causes this condition mostly 10 years after exposure.

Other pre disposing conditions include 

  1. Von Recklinghausen's disease
  2. Li- Fraumeni's disease
  3. Hereditary Retinoblastomas

Most common retroperitoneal sarcomas are liposarcoma and leiomyosarcoma. 
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