PMID: 15239237Jul 9, 2004Paper

Three-field dissection or two-field dissection?--A proposal of new algorithm for lymphadenectomy

Hepato-gastroenterology
Y TabiraMichio Kawasuji

Abstract

There are no systematic criteria for cervical lymphadenectomy in esophageal carcinoma. We provide a new algorithm for deciding whether to use three-field dissection or two-field dissection. Ninety-eight patients underwent curative esophagectomies with three-field lymph node dissections for squamous cell carcinoma of the thoracic esophagus. We examined the outcomes and predictors for survival of these patients. Therefore, we devised a new decision tree for deciding whether to use three-field dissection or two-field dissection. The overall 5-year survival rate for the 98 patients was 41.3%. The number of positive nodes was the only significant predictor for survival in the multivariate Cox proportional hazard model. The outcomes of patients with positive supraclavicular/internal jugular nodes were poor. On the other hand, positive cervical paraesophageal nodes do not worsen prognosis. We provided a new algorithm for selecting procedure of lymphadenectomy based on the presence of lymph node metastases. This algorithm is decided by the number of positive nodes, the presence of cervical node metastasis and recurrent nerve node metastasis. According to this decision tree, there were a few patients who needed absolutely three-field di...Continue Reading

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