Background: Retroperitoneal leiomyosarcomas are neoplasma which are best treated with complete exeresis.
Aim: We reported three new cases of retroperitoneal Leiomyosarcoma operated during last ten years.
Cases: The authors reported 3 cases of Retroperitoneal leiomyosarcomas in 3 patients (2 men and a woman) aged respectively 53, 55 and 57 year-old. Incomplete resection was performed in the 3 cases because of the important local extension. All patients died 18, 19 et 51 months after diagnosis.