Abstract:
BACKGROUND:RAS mutation status is an important prognostic factor after resection of liver metastases (LiM) from colorectal cancer (CRC). The prognostic significance of RAS after resection of lung (LuM) and peritoneal (PM) metastases from CRC is unknown. METHODS:Between 2005 and 2014, all consecutive patients with known RAS status who underwent potentially curative resection for LiM, LuM, or PM were evaluated. RESULTS:A total of 720 patients with known RAS status underwent resection of LiM (n = 468), LuM (n = 102), and PM (n = 150). RAS mutations were identified in 63 and 58% of patients with LuM and PM, respectively, compared with 41% of patients with LiM (p < 0.001). Five-year overall survival (OS) after resection of PM was 45%, compared with 52% after resection of LiM (p = 0.018) and 64% after resection of LuM (p = 0.005). RAS mutations were associated with significantly worse OS after resection of LiM (p < 0.001), but did not affect OS among patients undergoing resection of LuM (p = 0.41) and PM (p = 0.65). CONCLUSIONS:RAS mutations are more prevalent among patients undergoing resection of LuM and PM than LiM but do not affect survival after lung and peritoneal metastasectomy, as they do after hepatectomy. These results suggest that the prognostic significance of RAS mutations after resection of metastatic CRC depends on the specific site of metastases.
journal_name
Ann Surg Oncoljournal_title
Annals of surgical oncologyauthors
Passot G,Kim BJ,Glehen O,Mehran RJ,Kopetz SE,Goere D,Overman MJ,Pocard M,Marchal F,Conrad C,Aloia TA,Vauthey JN,Chun YS,BIG-RENAPE Working Group.doi
10.1245/s10434-017-6141-7subject
Has Abstractpub_date
2018-01-01 00:00:00pages
179-187issue
1eissn
1068-9265issn
1534-4681pii
10.1245/s10434-017-6141-7journal_volume
25pub_type
杂志文章abstract:BACKGROUND:Genetic and epigenetic alterations during development of pancreatic ductal adenocarcinomas (PDAC) are well known. Genetic and epigenetic data were correlated with tumor biology to find specific alterations responsible for invasion and metastasis in pancreatic ductal adenocarcinomas. METHODS:A total of 16 hu...
journal_title:Annals of surgical oncology
pub_type: 杂志文章
doi:10.1245/s10434-009-0531-4
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journal_title:Annals of surgical oncology
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journal_title:Annals of surgical oncology
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journal_title:Annals of surgical oncology
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journal_title:Annals of surgical oncology
pub_type: 杂志文章,多中心研究
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更新日期:2019-03-01 00:00:00
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journal_title:Annals of surgical oncology
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更新日期:1998-03-01 00:00:00
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journal_title:Annals of surgical oncology
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journal_title:Annals of surgical oncology
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abstract:: ...
journal_title:Annals of surgical oncology
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更新日期:2019-02-01 00:00:00
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pub_type: 杂志文章
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journal_title:Annals of surgical oncology
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更新日期:2013-01-01 00:00:00
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journal_title:Annals of surgical oncology
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更新日期:2005-06-01 00:00:00
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journal_title:Annals of surgical oncology
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