Xin Tian, MC, Lin-Ze Li


Department of Ultrasound, Baoding First Central Hospital, Baoding, 071000, China


Introduction: Primary retroperitoneal leiomyosarcomas are sarcomas that originated from smooth muscle cells and it generally.The incidence of this tumor is low, and its preoperative diagnosis is difficult. It is usually a late event and heralds a poor prognosis. Preoperative imaging plays an important role to diagnose primary retroperitoneal leiomyosarcomas. But it often gives wrong information.

Materials and methods: A seaarch of Primary retroperitoneal leiomyosarcomas was performed in Department of Ultrasound, Baoding First Central Hospital. A 50-Year-Old Woman who developed an Abdominasal Mass was selected for, we present a case of a 50-year-old woman who developed an abdominal mass.

Results: The mass of the woman was first diagnosed as a neurogenic tumor by ultrasonography. But finally, the immunohistochemistry confirmed that this mass was a retroperitoneal leiomyosarcoma.

Conclusion: Primary retroperitoneal leiomyosarcoma is rare and difficult to diagnosis. Ultrasonography is helpful to find thetumor, but may give the wrong information to diagnose it. Immunohistochemistry studies are very important for physicians to confirm this disease.


Retroperitoneal leiomyosarcoma, diagnosis, treat, pathology, ultrasound.