alexa Adenocarcinoma of the esophagogastric junction: results of surgical therapy based on anatomical topographic classification in 1,002 consecutive patients.
Gastroenterology

Gastroenterology

Journal of Gastrointestinal & Digestive System

Author(s): Rdiger Siewert J, Feith M, Werner M, Stein HJ

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Abstract OBJECTIVE: To assess the outcome of surgical therapy based on a topographic/anatomical classification of adenocarcinoma of the esophagogastric junction. SUMMARY BACKGROUND DATA: Because of its borderline location between the stomach and esophagus, the choice of surgical strategy for patients with adenocarcinoma of the esophagogastric junction is controversial. METHODS: In a large single-center series of 1,002 consecutive patients with adenocarcinoma of the esophagogastric junction, the choice of surgical approach was based on the location of the tumor center or tumor mass. Treatment of choice was esophagectomy for type I tumors (adenocarcinoma of the distal esophagus) and extended gastrectomy for type II tumors (true carcinoma of the cardia) and type III tumors (subcardial gastric cancer infiltrating the distal esophagus). Demographic data, morphologic and histopathologic tumor characteristics, and long-term survival rates were compared among the three tumor types, focusing on the pattern of lymphatic spread, the outcome of surgery, and prognostic factors in patients with type II tumors. RESULTS: There were marked differences in sex distribution, associated intestinal metaplasia in the esophagus, tumor grading, tumor growth pattern, and stage distribution between the three tumor types. The postoperative death rate was higher after esophagectomy than extended total gastrectomy. On multivariate analysis, a complete tumor resection (R0 resection) and the lymph node status (pN0) were the dominating independent prognostic factors for the entire patient population and in the three tumor types, irrespective of the surgical approach. In patients with type II tumors, the pattern of lymphatic spread was primarily directed toward the paracardial, lesser curvature, and left gastric artery nodes; esophagectomy offered no survival benefit over extended gastrectomy in these patients. CONCLUSION: The classification of adenocarcinomas of the esophagogastric junction into type I, II, and III tumors shows marked differences between the tumor types and provides a useful tool for selecting the surgical approach. For patients with type II tumors, esophagectomy offers no advantage over extended gastrectomy if a complete tumor resection can be achieved.
This article was published in Ann Surg and referenced in Journal of Gastrointestinal & Digestive System

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