Small-Bowel Neuroendocrine Tumor and Retroperitoneal Fibrosis: Efficacy of Octreotide and Tamoxifen

Abstract

Aims and Background Neuroendocrine tumors are uncommon clinical entities and only a few cases of the co-occurrence of neuroendocrine tumors and retroperitoneal fibrosis have been described in the literature. Methods and Study Design: We report the promising results achieved in a case of neuroendocrine tumor complicated by retroperitoneal fibrosis causing right ureteral obstruction treated with long-acting release octreotide and tamoxifen. Results and Conclusions The treatment resulted in a complete response without toxicity.