Esophageal cancer from the German point of view. 1989

J R Siewert
Department of Surgery, Technical University of Munich, Federal Republic of Germany.

Although there are no differences worth mentioning between esophageal cancer in Japan and in Europe regarding epidemiology, tumor stages at the beginning of therapy and surgical selection. In Japan, early esophageal squamous cell carcinoma is more often diagnosed than in Europe where esophageal adenocarcinoma, especially that of the endobrachyesophagus, is becoming more and more relevant. For a long time, the limiting factor for the prognosis of esophageal cancer was the postoperative lethality. However, by carefully analysing the factors influencing this operative lethality over the last few years, the lethality following esophagectomy has been decreased to approximately 15 per cent. In fact, in some specialized centers, the lethality is now less than 10 per cent and in selected patient groups even 3 per cent has been reached. It is only through this achievement that the prognosis for esophageal cancer has been able to be markedly improved. The results of this analysis can be detailed as follows: 1) The preoperative definition of tumor stage by CT or MRI is not reliable, the validity being between 45 per cent and 73 per cent. Therefore, no therapeutical decision can be made on the basis of these diagnostic procedures. Hopefully the intraluminal ultrasound will improve this situation in the future. 2) The analysis of preoperative nutritional status did not allow a definition of risk groups. 3) Decisive improvements were able to be achieved by the standardising of surgical procedures and indications. Enbloc resection is indicated for all intrathoracic squamous cell carcinomas and accounts for a high percentage of RO-resections. The blunt dissection is especially appropriate for distal adenocarcinomas. 4) Endobronchial one-sided ventilation during the operation and prophylatic assisted ventilation have both decreased the pulmonary risk considerably. A further improvement in the prognosis of esophageal carcinoma can possibly be achieved by the preoperative identification of advanced tumors (T3/T4) and preoperatively treating these tumor types accordingly. From our own experience, we believe combined radio-chemotherapy could be successful.

UI MeSH Term Description Entries
D007564 Japan A country in eastern Asia, island chain between the North Pacific Ocean and the Sea of Japan, east of the Korean Peninsula. The capital is Tokyo. Bonin Islands
D002294 Carcinoma, Squamous Cell A carcinoma derived from stratified SQUAMOUS EPITHELIAL CELLS. It may also occur in sites where glandular or columnar epithelium is normally present. (From Stedman, 25th ed) Carcinoma, Epidermoid,Carcinoma, Planocellular,Carcinoma, Squamous,Squamous Cell Carcinoma,Carcinomas, Epidermoid,Carcinomas, Planocellular,Carcinomas, Squamous,Carcinomas, Squamous Cell,Epidermoid Carcinoma,Epidermoid Carcinomas,Planocellular Carcinoma,Planocellular Carcinomas,Squamous Carcinoma,Squamous Carcinomas,Squamous Cell Carcinomas
D004938 Esophageal Neoplasms Tumors or cancer of the ESOPHAGUS. Cancer of Esophagus,Esophageal Cancer,Cancer of the Esophagus,Esophagus Cancer,Esophagus Neoplasm,Neoplasms, Esophageal,Cancer, Esophageal,Cancer, Esophagus,Cancers, Esophageal,Cancers, Esophagus,Esophageal Cancers,Esophageal Neoplasm,Esophagus Cancers,Esophagus Neoplasms,Neoplasm, Esophageal,Neoplasm, Esophagus,Neoplasms, Esophagus
D005860 Germany, West The former Federal Republic of Germany which was reunified with the former German Democratic Republic in 1990. Federal Republic of Germany,Germany, Federal Republic of
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000230 Adenocarcinoma A malignant epithelial tumor with a glandular organization. Adenocarcinoma, Basal Cell,Adenocarcinoma, Granular Cell,Adenocarcinoma, Oxyphilic,Adenocarcinoma, Tubular,Adenoma, Malignant,Carcinoma, Cribriform,Carcinoma, Granular Cell,Carcinoma, Tubular,Adenocarcinomas,Adenocarcinomas, Basal Cell,Adenocarcinomas, Granular Cell,Adenocarcinomas, Oxyphilic,Adenocarcinomas, Tubular,Adenomas, Malignant,Basal Cell Adenocarcinoma,Basal Cell Adenocarcinomas,Carcinomas, Cribriform,Carcinomas, Granular Cell,Carcinomas, Tubular,Cribriform Carcinoma,Cribriform Carcinomas,Granular Cell Adenocarcinoma,Granular Cell Adenocarcinomas,Granular Cell Carcinoma,Granular Cell Carcinomas,Malignant Adenoma,Malignant Adenomas,Oxyphilic Adenocarcinoma,Oxyphilic Adenocarcinomas,Tubular Adenocarcinoma,Tubular Adenocarcinomas,Tubular Carcinoma,Tubular Carcinomas

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