PMID: 26805376Jan 26, 2016Paper

Two Cases of Pancreatic Neuroendocrine Tumor with Liver Metastases Successfully Treated with Multidisciplinary Therapy including Multiple Surgical Resections

Gan to kagaku ryoho. Cancer & chemotherapy
Takahiro AkiyamaMasaru Miyazaki

Abstract

We report 2 cases of pancreatic neuroendocrine tumor with liver metastases successfully treated with multidisciplinary therapy, including multiple surgical resections. Case 1: A 63-year-old man underwent distal pancreatectomy and portal vein resection for a pancreatic body tumor. Histological analysis revealed the tumor was a pancreatic neuroendocrine tumor (p-NET), classified as NET G2. His metachronous liver metastases were treated with lateral sectionectomy and 2 rounds of transcatheter arterial chemoembolization (TACE). He is being treated with everolimus for para-aortic lymph node metastases and is alive 90 months after the primary operation. Case 2: A 64-year-old man underwent distal gastrectomy for a duodenal ulcer and distal pancreatectomy for a pancreatic tumor. The histological diagnosis was gastrinoma classified as NET G2. Hepatectomy (segmentectomy of segment 8 and partial hepatectomy) was performed twice for metachronous liver metastases. Everolimus has been administered for liver and para-aortic lymph node metastases, and the patient is alive 108 months after the primary operation. Multidisciplinary treatment should be considered for patients with p-NETs with multiple metastases.

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