Journal of Gastric Cancer

The Korean Gastric Cancer Association (대한위암학회)
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Can proximal Gastrectomy Be Justified for Advanced Adenocarcinoma of the Esophagogastric Junction?

  • Sato, Yuya (Division of Gastric Surgery, National Cancer Center Hospital) ;
  • Katai, Hitoshi (Division of Gastric Surgery, National Cancer Center Hospital) ;
  • Ito, Maiko (Division of Gastric Surgery, National Cancer Center Hospital) ;
  • Yura, Masahiro (Division of Gastric Surgery, National Cancer Center Hospital) ;
  • Otsuki, Sho (Division of Gastric Surgery, National Cancer Center Hospital) ;
  • Yamagata, Yukinori (Division of Gastric Surgery, National Cancer Center Hospital) ;
  • Morita, Shinji (Division of Gastric Surgery, National Cancer Center Hospital)
  • Received : 2018.06.26
  • Accepted : 2018.10.28
  • Published : 2018.12.31
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Abstract

Purpose: To evaluate the status of number 3b lymph node (LN) station in patients with adenocarcinoma of the esophagogastric junction (AEG) and to investigate the optimal indications for radical proximal gastrectomy (PG) for AEG. Materials and Methods: Data of 51 patients with clinically advanced Siewert types II and III AEG who underwent total gastrectomy (TG) between April 2010 and July 2017 were reviewed. The proportion of metastatic LNs at each LN station was examined. Number 3 LN station was separately classified into number 3a and number 3b. The risk factors for number 3b LN metastasis and the clinicopathological features of number 3b-positive AEG patients were investigated. Results: The incidences of LN metastasis were the highest in number 1 (47.1%), followed by number 2 (23.5%), number 3a (39.2%), and number 7 (23.5%) LN stations. LN metastasis in number 3b LN station was detected in 4 patients (7.8%). A gastric invasion length of more than 40 mm was a significant risk factor for number 3b LN metastasis. All 4 patients with number 3b-positive AEG had advanced cancer with a gastric invasion length of more than 40 mm. The 5-year survival rate of patients with a gastric invasion length of more than 40 mm was 50.0%. Conclusions: Radical PG may be indicated for patients with AEG with gastric invasion length of less than 40 mm.

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References

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