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  • Title: [Surgical therapy for esophageal carcinoma: a prospective 20-year analysis].
    Author: Gockel I, Sultanov FS, Domeyer M, Trinh TT, Gönner U, Junginger T.
    Journal: Zentralbl Chir; 2008 Jun; 133(3):260-6. PubMed ID: 18563693.
    Abstract:
    BACKGROUND: The aim of our study was the analysis of long-term developments in the surgical therapy for esophageal carcinoma at our hospital over a period of 20 years with a differentiated view on the two predominant histological tumour types. PATIENTS AND METHODS: Between September 1985 and September 2005, esophageal resections were performed in 470 patients at our clinic on account of a malignant tumour of the esophagus. The abdomino-thoracic resection with abdominal and extended mediastinal lymph node dissection as well as intrathoracic anastomosis was the standard treatment in the case of squamous cell carcinoma, whereas in adenocarcinoma a transhiatal resection with abdominal and dorsal mediastinal lymphadenectomy and cervical esophagogastrostomy was carried out. For analysis of the development, the study period of 20 years was divided into two intervals: interval 1 from 9 / 1985 to 9 / 1995, and interval 2 from 10 / 1995 to 9 / 2005. RESULTS: Both tumour entities displayed in the last interval (10 / 1995 to 9 / 2005) significantly earlier tumour stages. A proportionally identical amount of transhiatal resections for squamous cell carcinoma was found in both intervals, whereas the transhiatal procedures for adenocarcinoma increased in the last decade (3.6 % in the period between 9 / 1985 and 9 / 1995, as compared with 23.6 % between 10 / 1995 and 9 / 2005) (p < 0.05). While the overall prognosis for squamous cell carcinoma did not significantly differ in the two decades (p = 0.2040), patients with adenocarcinoma were found to have a significantly improved long-term survival (log-rank test: p = 0.0365) in the second decade. The prognosis for adenocarcinoma, therefore, could be improved in the course of time with a 3-year survival rate of finally 40 % (as compared with 17.5 % in the first decade), and a 5-year survival rate of 25 % (as compared with 15 %). CONCLUSION: Surgical therapy for esophageal carcinoma has undergone distinct changes over the past 20 years. These are mainly due to epidemiological and diagnostic aspects, an improved selection of patients, whereby the operative procedure is adapted to the tumour stage and the operative risk for the patient. Especially with adenocarcinoma of the esophagus, these changes have led to a significantly more favourable long-term prognosis.
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