Retroperitoneal Liposarcoma Mimicking an Ovarian Tumor: A Diagnostic Dilemma

Introduction: Retroperitoneal liposarcoma is a malignant, primitive and rare mesenchymal tumor. We report an observation of aretroperitoneal liposarcoma mimicking an ovarian tumor. Case: A36-year-old female presented a pelvic pain type gravity whose examination foundan abdominopelvic mass, an abdominopelvic computed tomography showed a largeabdominal-pelvic mass with a fatty component leading to the diagnosis ofovarian teratoma. At exploratory laparotomy, we found a large abdomino-pelvicmass of 30 × 35 cm, and a large resection was realised. The histopathologicexamination found a liposarcoma well differentiated (grade 1). Conclusion: Thedifferent pathological aspects, the therapeutic options and the prognostic factorsof the abdominal liposarcomas will be discussed in this article.