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Erschienen in:
01.11.2014 | Original Article
Outcomes of lymphadenectomy for lymph node recurrence after esophagectomy or definitive chemoradiotherapy for squamous cell carcinoma of the esophagus
Erschienen in: General Thoracic and Cardiovascular Surgery | Ausgabe 11/2014
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Objective
The aim of this study was to determine the significance of lymphadenectomy for recurrence after treatment for esophageal squamous cell carcinoma.
Methods
Short- and long-term outcomes of 24 patients who underwent lymphadenectomy for recurrence in 3 hospitals between April 2004 and March 2013 were retrospectively analyzed. There were 17 cases with lymph node recurrence after esophagectomy (11 cervical, 4 mediastinal, and 2 abdominal node recurrences) and 7 cases with remnant or recurrent lymphatic diseases after definitive chemoradiotherapy (3 cervical, 1 mediastinal, and 3 abdominal node recurrences).
Results
Three minor complications were observed among 24 patients and the median postoperative hospital stay was 7 days. The 3-year progression-free and overall survivals of patients who underwent secondary lymphadenectomy for recurrence after esophagectomy were 51.5 and 75.5 %, respectively. The overall survival of patients with cervical node recurrence was significantly better than that of patients with mediastinal or abdominal node recurrence in this group (P = 0.0097). The median progression-free and overall survivals of patients who underwent salvage lymphadenectomy after definitive chemoradiotherapy were 2 and 15 months, respectively. Although only 1 patient experienced local recurrence after secondary lymphadenectomy, locoregional failures occurred in 6 of 7 patients who underwent salvage lymphadenectomy after definitive chemoradiotherapy.
Conclusion
Secondary or salvage lymphadenectomy can be performed safely in the selected patients. Secondary lymphadenectomy achieves locoregional disease control and results in a favorable long-term outcome, particularly for cervical node recurrence. Further large-scale cohort studies are needed to determine the prognostic significance of salvage lymphadenectomy after definitive chemoradiotherapy.