期刊
INTERNATIONAL JOURNAL OF ONCOLOGY
卷 49, 期 5, 页码 1991-2000出版社
SPANDIDOS PUBL LTD
DOI: 10.3892/ijo.2016.3711
关键词
surgical managemerit; non-functional pancreatic neuroendocrine neoplasms; synchronous liver metastasis; consensus; Chinese Study Group for Neuroendocrine Tumors (CSNET)
类别
Pancreatic neuroendocrine neoplasms (p-NENs) are slowly growing tumors with frequent liver metastasis. There is a variety of approaches to treat non-functional p-NENs with synchronous liver metastasis (LM) which complicates the determination of optimal treatment. Based on updated literature review, we discussed the treatment strategy determinants for p-NEN with LM. According to the resectability of primary tumor, the WHO 2010 grade classification and the radiological type of liver metastasis, the CSNET group reached agreements on a number of issues, including the following. Prior to treatment, biopsy is required to confirm pathology. Liver biopsy is important for more accurate grading of tumor and percutaneous core needle biopsy is more available than EUS-FNA. In patients with unresectable primary, surgical resection for liver-metastatic lesions should be avoided. Curative surgery is recommended for G1/G2 p-NET with type I LM and R1 resection also seems to improve overall survival rate. Cytoreductive surgery is recommended for G1G2 p-NET with type II LM in select patients, and should meet stated requirements. Surgical resection for G1G2 p-NET with type III LM and p-NEC with LM should be avoided, and insufficient evidence exists to guide the surgical treatment of G3 p-NET with LM. Liver transplantation may be an option in highly select patients. In addition, the optimal time for surgical approach is still required for more evidence.
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