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  ESOPHAGEAL CANCER SURGERY


Minerva Chirurgica 2013 August;68(4):335-40

language: English

Optimal lymphadenectomy for esophageal adenocarcinoma

Oezcelik A.

Department of General, Visceral and Transplantation Surgery, University of Essen, Essen, Germany


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Recently published data have shown that an extended lymphadenectomy during the en bloc esophagectomy leads to a significant increased long-term survival for esophageal adenocarcinoma. On the other hand some studies indicate that the increased survival is based on stage migration and that the surgical complication rate is increased after extended lymphadenectomy. The aim of this review was to give an overview about all aspects of an extended lymphadenectomy in patients with esophageal adenocarcinoma. The review of the literature shows clearly that the number of involved lymph nodes is an independent prognostic factor in patients with esophageal adenocarcinoma. Furthermore, an extended lymphadenectomy leads to an increased long-term survival. Some studies describe that 23 lymph nodes should be removed to predict survival; other studies 18 lymph nodes or 15 lymph nodes. Opponents indicate that the survival benefit is based on stage migration. The studies with a large study population have performed a Cox regression analyzes and identified the number of lymph nodes removed as an independent factor for improved survival, which means it is significant independently from other parameters. Under these circumstances is stage migration not an option to explain the survival benefit. An important difficulty is, that there is no standardized definition of an extended lymphadenectomy, which means the localization and number of removed lymph nodes differ depending from the performing centre. The controversies regarding the survival benefit of the lymphadenectomy is based on the lack of standardisation of the lymphadenectomy. The main goal of further studies should be to generate a clear definition of an extended lymphadenectomy in patients with esophageal adenocarcinoma.

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arzu.oezcelik@uk-essen.de