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Long-term outcomes of endoscopic submucosal dissection in comparison to surgery in undifferentiated-type intramucosal gastric cancer using propensity score analysis

Authors
 Jun Chul Park  ;  Yong Kang Lee  ;  Soon Young Kim  ;  Yunho Roh  ;  Kyu Yeon Hahn  ;  Sung Kwan Shin  ;  Sang Kil Lee  ;  Yong Chan Lee  ;  Hyoung-Il Kim  ;  Jae-Ho Cheong  ;  Woo Jin Hyung  ;  Sung Hoon Noh 
Citation
 Surgical Endoscopy , Vol.32(4) : 2046-2057, 2018 
Journal Title
 Surgical Endoscopy  
ISSN
 0930-2794 
Issue Date
2018
Keywords
ESD ; Early gastric cancer ; Long-term outcomes ; Recurrences ; Undifferentiated histology
Abstract
BACKGROUND: The treatment of intramucosal early gastric cancer with undifferentiated-type histologies (UD-EGCs) using endoscopic submucosal dissection (ESD) is controversial. This study aimed to compare the clinical and oncologic long-term outcomes of ESD and surgery for UD-EGCs. METHODS: A prospectively collected database of patients who underwent ESD or surgery between January 2006 and December 2012 was established. Patients who diagnosed with UD-EGC and satisfied the expanded indications of ESD were included. Clinical data from 111 patients treated with ESD and 382 patients underwent surgery were analyzed, and 1-1 propensity score-matched 81 pairs of patients were also compared. RESULTS: In both groups, two-thirds of the UD-EGCs had signet ring cell (SRC)-type histology and about 90% of UD-EGCs were flat or depressed types. The mean size of tumors was smaller in ESD group (9.7 vs. 13.2 mm; P < 0.001). After propensity score-matched, case-matching covariates were not significantly different between the groups. Disease-free survival (DFS) was significantly shorter in the ESD group, but overall survival (OS) was not different between the two groups both in overall comparison (DFS; P < 0.001 and OS; P = 0.078) and propensity score-matched analysis (DFS; P < 0.001 and OS; P = 0.850). According to histologic type, OS of SRC histology was not different between the group, both in overall comparison and propensity score-matched analysis (P = 0.286 and P = 0.210). On the other hands, OS of poorly differentiated adenocarcinoma was significantly shorter in ESD group in overall comparison (P = 0.007), but was not as so in propensity score-matched analysis (P = 0.088). CONCLUSIONS: ESD might be a complementary option for the treatment of UD-EGCs, especially in those with SRC-type histology based on strict expanded indications. Nonetheless, close endoscopic surveillance is required because of a high incidence of intragastric recurrence.
Full Text
https://link.springer.com/article/10.1007%2Fs00464-017-5901-6
DOI
10.1007/s00464-017-5901-6
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyoung Il(김형일) ORCID logo https://orcid.org/0000-0002-6134-4523
Noh, Sung Hoon(노성훈) ORCID logo https://orcid.org/0000-0003-4386-6886
Park, Jun Chul(박준철) ORCID logo https://orcid.org/0000-0001-8018-0010
Shin, Sung Kwan(신성관) ORCID logo https://orcid.org/0000-0001-5466-1400
Lee, Sang Kil(이상길) ORCID logo https://orcid.org/0000-0002-0721-0364
Lee, Yong Kang(이용강)
Lee, Yong Chan(이용찬) ORCID logo https://orcid.org/0000-0001-8800-6906
Cheong, Jae Ho(정재호) ORCID logo https://orcid.org/0000-0002-1703-1781
Hyung, Woo Jin(형우진) ORCID logo https://orcid.org/0000-0002-8593-9214
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/166612
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