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Application of minimally invasive treatment for early gastric cancer

Authors
 Woo Jin Hyung  ;  Jae Ho Cheong  ;  Junuk Kim  ;  Jian Chen  ;  Seung Ho Choi  ;  Sung Hoon Noh 
Citation
 JOURNAL OF SURGICAL ONCOLOGY, Vol.85(4) : 181-185, 2004-03 
Journal Title
 JOURNAL OF SURGICAL ONCOLOGY 
ISSN
 0022-4790 
Issue Date
2004-03
MeSH
Adenocarcinoma / blood supply ; Adenocarcinoma / secondary ; Adenocarcinoma / surgery* ; Aged ; Female ; Gastrectomy* ; Gastric Mucosa / pathology ; Humans ; Lymph Node Excision* ; Lymph Nodes / pathology* ; Lymphatic Metastasis ; Male ; Middle Aged ; Minimally Invasive Surgical Procedures* ; Multivariate Analysis ; Neoplasm Invasiveness ; Retrospective Studies ; Risk Factors ; Stomach Neoplasms / blood supply ; Stomach Neoplasms / pathology ; Stomach Neoplasms / surgery*
Abstract
Background and objectives: Although various types of minimally invasive treatment have emerged as the best front-line therapies for early gastric cancer (EGC), there have been no established indications that these attempts are applicable. The purpose of this study was to propose indications for the application of minimally invasive therapy for EGC. Methods: A total of 566 patients with EGC who had undergone gastrectomy with D2 or more extended lymphadenectomy, from July 1993 to December 1997 were retrospectively analyzed. The risk factors that determine lymph node metastasis were investigated by univariate and multivariate analysis. Results: The rate of lymph node metastasis was 11.8% for all EGC, 3.4% for mucosal cancer, and 21.0% for submucosal cancer. Lymph node metastasis was associated with submucosal invasion, larger tumor size, undifferentiated histology, and the presence of lymphatic or blood vessel invasion (LBVI) by univariate and multivariate analyses. When LBVI was absent, there was no lymph node metastasis if the tumor was smaller than 2.5 cm with differentiated histology, and smaller than 1.5 cm with undifferentiated histology, regardless of depth of invasion. Extra-perigastric lymph node metastases were noted in patients with submucosal tumors that have LBVI while none of mucosal cancer showed extra-perigastric lymph node metastases. Conclusions: Minimally invasive treatment can be possibly applied for patients with EGC using these four independent risk factors for lymph node metastasis in EGC. For mucosal cancers, EMR is indicated for EGCs without lymph node involvement based on tumor size and histology. When we found LBVI by pathologic examination after EMR, gastrectomy with D1 lymph node dissection is mandatory. For submucosal cancers, patients with small tumors could be treated with laparoscopic wedge resection without lymph node dissection. However, patients with larger sized tumors or tumors with LBVI should be treated with extended (D2) lymph node dissection.
Full Text
https://onlinelibrary.wiley.com/doi/abs/10.1002/jso.20018
DOI
10.1002/jso.20018
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Noh, Sung Hoon(노성훈) ORCID logo https://orcid.org/0000-0003-4386-6886
Cheong, Jae Ho(정재호) ORCID logo https://orcid.org/0000-0002-1703-1781
Choi, Seung Ho(최승호) ORCID logo https://orcid.org/0000-0002-9872-3594
Hyung, Woo Jin(형우진) ORCID logo https://orcid.org/0000-0002-8593-9214
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/178870
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