Recurrent retroperitoneal Schwannomas displaying different differentiation from primary tumor: case report and literature review.

ABSTRACT:

Background

Retroperitoneal Schwannomas are uncommonly found in the retroperitoneum and few of them show malignant transformation and invasion. Local recurrence are common in malignant Schwannomas with very few reports of tumor distinct differentiation at recurrences.

Case presentation

We report here a rare case of retroperitoneal schwannoma with multiple origins from retroperitoneum and pelvic wall. Pathological examination confirmed the case as a schwannoma with malignant transformation. Radical dissection of the tumors along with the sacrifice of adjacent sigmoid colon and left kidney failed to provide a cure for this patient. Due to tumor recurrence, a second and a third surgery of radical excision were performed 6 months and 17 months later after the first surgery, respe

SUBMITTER: Li ZQ 

PROVIDER: S-EPMC2927596 | biostudies-literature | 2010 Aug

REPOSITORIES: biostudies-literature