Bilobular benign retroperitoneal schwannoma

OBJECTIVE: To describe an additional case of retroperitoneal schwannoma. METHODS: A case of retroperitoneal neoplasm in a 29-year-old woman is presented. The clinical and therapeutic aspects are discussed. RESULTS: The anatomopathological study showed a benign schwannoma. CONCLUSIONS: Retroperitoneal schwannoma is an uncommon lesion that is difficult to diagnose preoperatively. Treatment is by surgical resection.