Midline or Retroperitoneal Approach in Operating on a Retroperitoneal Tumour: A Surgical Dilemma.

Retroperitoneal tumors are rare form of tumors arising from the retroperitoneal space and account for 10-15% of soft tissue sarcoma.^1,2 Liposarcoma represent 0.1% of all cancers³ and arise mostly from the mesenchyme usually located in muscles, fat and connective tissue.⁴ It is a high grade tumor with high propensity for recurrence.1 80% of patients present with asymptomatic abdominal distension in their 5^th - 6^th decade of life.⁴ Liposarcoma tend to present as a huge mass posing a diagnostic and therapeutic dilemma especially with regards to its position and surgical approach.¹