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Microenvironnement et angiogénèse : implications dans la stratégie onco-chirurgicale des métastases hépatiques synchrones des cancers colorectaux

Abstract : At the time of the diagnosis of colorectal cancer, nearly 25% of patients have synchronous liver metastases. When this tumor is asymptomatic, the question of surgical strategy (primary tumor first versus liver-first strategy) remains debated. Current recommendations are based on agreements of experts which are by themselves based on retrospective clinical studies. The study of the tumor microenvironment has taken in recent years a major place in the field of cancer research. It leads to new paradigm with a new conception of the metastatic process. It may be possible that the microenvironment of the metastatic sites can be modulated by the primary tumor to promote the formation of the pre-“metastatic niche”. This leads to promote the growth of cancer cells and increase the metastatic potential of primary tumor. By a multidisciplinary research including fundamental, translational and clinical approaches, we have shown that primary tumor first strategy could modulate tumor angiogenesis and liver metastatic process. It is associated with improved survival of patients and efficacy of the anti-angiogenic therapy.
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Submitted on : Thursday, May 3, 2018 - 7:24:09 PM
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Chetana Lim. Microenvironnement et angiogénèse : implications dans la stratégie onco-chirurgicale des métastases hépatiques synchrones des cancers colorectaux. Médecine humaine et pathologie. Université Sorbonne Paris Cité, 2017. Français. ⟨NNT : 2017USPCC018⟩. ⟨tel-01784875⟩

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