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Gastric Cancer

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https://www.readbyqxmd.com/read/29236187/mixed-poorly-differentiated-adenocarcinoma-in-undifferentiated-type-early-gastric-cancer-predicts-endoscopic-noncurative-resection
#1
Yusuke Horiuchi, Junko Fujisaki, Noriko Yamamoto, Naoki Ishizuka, Masami Omae, Akiyoshi Ishiyama, Toshiyuki Yoshio, Toshiaki Hirasawa, Yorimasa Yamamoto, Masatsugu Nagahama, Hiroshi Takahashi, Tomohiro Tsuchida
BACKGROUND: Comparisons between surgical cases of mixed poorly differentiated adenocarcinoma and pure signet ring cell carcinoma have revealed higher frequencies of lymph node metastasis and submucosal invasion in the former. However, this comparison has not been reported for endoscopically treated cases. Therefore, we compared cases of curative and noncurative resection in patients who underwent endoscopic submucosal dissection to determine what factors could influence the curative resection rate...
December 13, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29236186/establishment-of-pathological-quantitative-method-for-determining-undifferentiated-component-ratio-in-patients-with-differentiated-undifferentiated-mixed-type-early-gastric-cancer-and-clinical-significance-of-this-ratio
#2
Hirohisa Takeuchi, Nobutsugu Abe, Yoshikazu Hashimoto, Atsuko Ooki, Gen Nagao, Kazuhiko Hirano, Yasuo Ookura, Tadahiko Masaki, Toshiyuki Mori, Masanori Sugiyama
PURPOSES: The purpose of this study was to establish a pathological quantitative method for determining the undifferentiated components ratio (UCR) in patients with differentiated/undifferentiated mixed-type (Mixed-type) early gastric cancer (EGC) and to examine the clinical significance. METHODS: The subjects were 410 patients who underwent surgical resection for EGC with the invasion limited to m or sm1. Analysis 1: In 12 randomly selected patients with Mixed-type cancer, we calculated the area ratio and the ratio of the length ratio using ImageJ and analyzed the correlation between them...
December 13, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29234896/correction-to-multicenter-phase-ii-study-of-trastuzumab-plus-s-1-alone-in-elderly-patients-with-her2-positive-advanced-gastric-cancer-jaccro-gc%C3%A2-06
#3
Yutaka Kimura, Masashi Fujii, Toshiki Masuishi, Kazuhiro Nishikawa, Chikara Kunisaki, Satoshi Matsusaka, Yoshihiko Segawa, Masato Nakamura, Kinro Sasaki, Narutoshi Nagao, Yukimasa Hatachi, Yasuhiro Yuasa, Shinya Asami, Masahiro Takeuchi, Hiroshi Furukawa, Toshifusa Nakajima
The correct name of the twelfth author should be ''Yasuhiro Yuasa", and not ''Yasuhiko Yuasa'' as given in the original publication of the article.
December 12, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29230588/the-impact-of-advanced-age-on-short-term-outcomes-following-gastric-cancer-resection-an-acs-nsqip-analysis
#4
Trevor D Hamilton, Alyson L Mahar, Barbara Haas, Kaitlyn Beyfuss, Calvin H L Law, Paul J Karanicolas, Natalie G Coburn, Julie Hallet
BACKGROUND: Evidence on short-term outcomes for GC resection in elderly patients is limited by small samples from single-institutions. This study sought to examine the association between advanced age and short-term outcomes of gastrectomy for gastric cancer (GC). METHODS: Using ACS-NSQIP data, patients undergoing gastrectomy for GC (2007-2013) were identified. Primary outcome was 30-day major morbidity. Outcomes were compared across age categories (<65, 65-70, 71-75, 76-80, >80 years old)...
December 11, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29218426/telomere-length-and-risk-of-developing-gastric-adenocarcinoma-the-singapore-chinese-health-study
#5
Zhensheng Wang, Woon-Puay Koh, Aizhen Jin, Renwei Wang, Jian-Min Yuan
BACKGROUND: Extreme telomere length has been previously reported to be associated with increased risk of gastric cancer. However, evidence from prospective studies on a relative large sample size with long-term follow-up to further corroborate previous study findings is meager. METHODS: The association between peripheral blood leukocyte telomere length and risk of gastric adenocarcinoma was prospectively examined in a cohort of 26,540 middle-aged or older Chinese nested in the Singapore Chinese Health Study...
December 7, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29204860/dec1-is-required-for-anti-apoptotic-activity-of-gastric-cancer-cells-under-hypoxia-by-promoting-survivin-expression
#6
Yanfei Jia, Rui Hu, Ping Li, Yan Zheng, Yunshan Wang, Xiaoli Ma
BACKGROUND: Human differentiated embryonic chondrocyte-expressed gene 1 (DEC1), which has been reported to be overexpressed in several types of cancer, is associated with tumorigenesis through participation in several biological processes. However, the complex mechanisms underlying DEC1 during carcinogenesis are controversial, and its roles in the development and malignancy of gastric cancer (GC) remain unclear. METHODS: We measured DEC1 expression in human GC cell lines...
December 4, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29188456/prophylactic-effect-of-neoadjuvant-chemotherapy-in-gastric-cancer-patients-with-postoperative-complications
#7
Kojiro Eto, Naoki Hiki, Koshi Kumagai, Yoshiaki Shoji, Yasuo Tsuda, Yosuke Kano, Itaru Yasufuku, Yasuhiro Okumura, Masahiro Tsujiura, Satoshi Ida, Souya Nunobe, Manabu Ohashi, Takeshi Sano, Toshiharu Yamaguchi
BACKGROUND: The occurrence of postoperative complications may have a significant negative impact on the prognosis of patients with gastrointestinal cancers. The inflammatory response releases systemic cytokines, which may induce residual cancer cell growth. Recently, neoadjuvant chemotherapy (NAC) was found to improve the prognosis of advanced gastric cancer (GC). We hypothesize that when postoperative complications occur after gastrectomy, NAC treatment of micrometastases can prevent residual cancer cell growth...
November 29, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29168120/the-8th-edition-of-the-american-joint-committee-on-cancer-tumor-node-metastasis-staging-system-for-gastric-cancer-is-superior-to-the-7th-edition-results-from-a-chinese-mono-institutional-study-of-1663-patients
#8
Xin Ji, Zhao-De Bu, Yan Yan, Zi-Yu Li, Ai-Wen Wu, Lian-Hai Zhang, Ji Zhang, Xiao-Jiang Wu, Xiang-Long Zong, Shuang-Xi Li, Fei Shan, Zi-Yu Jia, Jia-Fu Ji
BACKGROUND: We investigated the superiority of the 8th edition of the tumor-node-metastasis (TNM) system for patients in China with gastric cancer. METHODS: The survival outcomes of 1663 patients with gastric cancer undergoing radical resection were analyzed. RESULTS: In the 8th edition system, homogeneous 5-year survival rates among different pathological TNM (pTNM) categories belonging to the same stage were observed. However, in the 7th edition system, the differences of 5-year survival rate among pTNM categories belonging to the same stage were observed in stages IIB (P = 0...
November 22, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29168119/clinical-and-biological-significance-of-a-%C3%A2-73a%C3%A2-%C3%A2-c-variation-in-the-cdh1-promoter-of-patients-with-sporadic-gastric-carcinoma
#9
Baozhen Zhang, Jing Zhou, Zhaojun Liu, Liankun Gu, Jiafu Ji, Woo Ho Kim, Dajun Deng
BACKGROUND: CDH1 germline mutations lead to hereditary diffuse gastric carcinomas. However, it is unclear whether genetic variations in the CDH1 promoter affect the progression of sporadic gastric carcinomas (SGCs). METHODS: SGC patients in two independent cohorts with follow-up data were enrolled. The CDH1 genotypes, including the - 73A > C polymorphism (rs28372783), were determined by PCR sequencing. The CDH1 promoter activity was determined using reporter assays...
November 22, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29164360/risk-of-osteoporosis-after-gastrectomy-in-long-term-gastric-cancer-survivors
#10
Seung Hyun Yoo, Jung Ah Lee, Seo Young Kang, Young Sik Kim, Sung Sunwoo, Beom Soo Kim, Jeong-Hwan Yook
INTRODUCTION: Although early detection and successful gastrectomy have improved the survival of patients with gastric cancer, long-term health problems remain troubling. We evaluated the prevalence of osteoporosis and its risk factors in long-term survivors of gastric cancer after gastrectomy. METHODS: We reviewed the medical records of a tertiary hospital between 2007 and 2014 to identify survivors of gastric cancer who had visited our center at around 5 years after gastrectomy...
November 21, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29139048/high-adherence-to-the-western-prudent-and-mediterranean-dietary-patterns-and-risk-of-gastric-adenocarcinoma-mcc-spain-study
#11
Adela Castelló, Nerea Fernández de Larrea, Vicente Martín, Verónica Dávila-Batista, Elena Boldo, Marcela Guevara, Víctor Moreno, Gemma Castaño-Vinyals, Inés Gómez-Acebo, Guillermo Fernández-Tardón, Rosana Peiró, Rocío Olmedo-Requena, Rocio Capelo, Carmen Navarro, Silvino Pacho-Valbuena, Beatriz Pérez-Gómez, Manolis Kogevinas, Marina Pollán, Nuria Aragonés
BACKGROUND: The influence of dietary habits on the development of gastric adenocarcinoma is not clear. The objective of the present study was to explore the association of three previously identified dietary patterns with gastric adenocarcinoma by sex, age, cancer site, and morphology. METHODS: MCC-Spain is a multicase-control study that included 295 incident cases of gastric adenocarcinoma and 3040 controls. The association of the Western, Prudent, and Mediterranean dietary patterns-derived in another Spanish case-control study-with gastric adenocarcinoma was assessed using multivariable logistic regression models with random province-specific intercepts and considering a possible interaction with sex and age...
November 14, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29127549/preservation-of-the-celiac-branch-of-the-vagal-nerve-for-pylorus-preserving-gastrectomy-is-it-meaningful
#12
Haruna Furukawa, Manabu Ohashi, Michitaka Honda, Koshi Kumagai, Souya Nunobe, Takeshi Sano, Naoki Hiki
BACKGROUND: Preserving the hepatic and pyloric branches of the vagal nerve in laparoscopic pylorus-preserving gastrectomy (LPPG) is considered necessary to maintain the function of the pyloric cuff. However, the clinical benefits of preservation of the celiac branch of the vagal nerve (CBVN) remain unclear. METHODS: Of 391 patients who underwent LPPG for early gastric cancer, 116 patients in whom the CBVN was preserved (CBP group) and 58 patients in whom it was not preserved (non-CBP group) were selected through the propensity score-matching method...
November 10, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29119277/priority-of-lymph-node-dissection-for-proximal-gastric-cancer-invading-the-greater-curvature
#13
Yukio Maezawa, Toru Aoyama, Takanobu Yamada, Kazuki Kano, Tsutomu Hayashi, Tsutomu Sato, Takashi Oshima, Yasushi Rino, Munetaka Masuda, Takashi Ogata, Haruhiko Cho, Takaki Yoshikawa
BACKGROUND: The therapeutic efficacy of dissection of the splenic hilar lymph nodes (#10) has not been fully evaluated in locally advanced proximal gastric cancer (LAGC) invading the greater curvature of the stomach. METHODS: Patients with LAGC invading the greater curvature who underwent D2 total gastrectomy with splenectomy between January 2000 and May 2015 were retrospectively examined. The therapeutic value index was calculated by multiplying the metastatic rate of a station and the 5-year survival of patients with metastasis to that station; the metastatic rate and the index of each lymph node station were then compared...
November 8, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29067597/factors-influencing-health-related-quality-of-life-after-gastrectomy-for-cancer
#14
Hylke J F Brenkman, Juul J W Tegels, Jelle P Ruurda, Misha D P Luyer, Ewout A Kouwenhoven, Werner A Draaisma, Donald L van der Peet, Bas P L Wijnhoven, Jan H M B Stoot, Richard van Hillegersberg
AIM: Insight in health-related quality of life (HRQoL) may improve clinical decision making and inform patients about the long-term effects of gastrectomy. This study aimed to evaluate and identify factors associated with HRQoL after gastrectomy. METHODS: This cross-sectional study used prospective databases from seven Dutch centers (2001-2015) including patients who underwent gastrectomy for cancer. Between July 2015 and November 2016, European Organization for Research and Treatment of Cancer HRQoL questionnaires QLQ-C30 and QLQ-STO22 were sent to all surviving patients without recurrence...
October 24, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29058097/regional-differences-in-advanced-gastric-cancer-exploratory-analyses-of-the-avagast-placebo-arm
#15
Akira Sawaki, Yasuhide Yamada, Kensei Yamaguchi, Tomohiro Nishina, Toshihiko Doi, Taroh Satoh, Keisho Chin, Narikazu Boku, Yasushi Omuro, Yoshito Komatsu, Yasuo Hamamoto, Wasaburo Koizumi, Shigehira Saji, Manish A Shah, Eric Van Cutsem, Yoon-Koo Kang, Junko Iwasaki, Hiroshi Kuriki, Wataru Ohtsuka, Atsushi Ohtsu
BACKGROUND: AVAGAST was an international, randomized, placebo-controlled phase III study of chemotherapy with or without bevacizumab as first-line therapy for patients with advanced gastric cancer. We performed exploratory analyses to evaluate regional differences observed in the trial. METHODS: Analyses were performed in the placebo plus chemotherapy arm (intention-to-treat population). Chemotherapy was cisplatin 80 mg/m(2) for six cycles plus capecitabine (1000 mg/m(2) orally bid days 1-14) or 5-fluorouracil (800 mg/m(2)/day continuous IV infusion days 1-5) every 3 weeks until disease progression or unacceptable toxicity...
October 20, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29052053/validation-of-the-american-joint-committee-on-cancer-ajcc-8th-edition-stage-system-for-gastric-cancer-patients-a-population-based-analysis
#16
Xingkang He, Wenrui Wu, Zhenghua Lin, Yue Ding, Jianmin Si, Lei-Min Sun
BACKGROUND: Our aim was to validate the American Joint Committee on Cancer (AJCC) 8th edition stage system for gastric cancer in the Western world and to compare several modifications between the 7th and 8th edition systems. METHODS: Eligible patients having undergone surgical resection of gastric cancer during 2004-2011 from the Surveillance, Epidemiology, and End Results (SEER) database were included in the current study. Survival differences were assessed by Kaplan-Meier curve and log-rank tests...
October 20, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29052052/long-term-outcomes-of-endoscopic-submucosal-dissection-versus-surgery-in-early-gastric-cancer-meeting-expanded-indication-including-undifferentiated-type-tumors-a-criteria-based-analysis
#17
Sunpyo Lee, Kee Don Choi, Minkyu Han, Hee Kyong Na, Ji Yong Ahn, Kee Wook Jung, Jeong Hoon Lee, Do Hoon Kim, Ho June Song, Gin Hyug Lee, Jeong-Hwan Yook, Byung Sik Kim, Hwoon-Yong Jung
BACKGROUND: Endoscopic submucosal dissection (ESD) for early gastric cancer (EGC) meeting the expanded indication is considered investigational. We aimed to compare long-term outcomes of ESD and surgery for EGC in the expanded indication based on each criterion. METHODS: This study included 1823 consecutive EGC patients meeting expanded indication conditions and treated at a tertiary referral center: 916 and 907 patients underwent surgery or ESD, respectively. The expanded indication included four discrete criteria: (I) intramucosal differentiated tumor, without ulcers, size >2 cm; (II) intramucosal differentiated tumor, with ulcers, size ≤3 cm; (III) intramucosal undifferentiated tumor, without ulcers, size ≤2 cm; and (IV) submucosal invasion <500 μm (sm1), differentiated tumor, size ≤3 cm...
October 19, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29043529/development-and-validation-of-a-risk-assessment-tool-for-gastric-cancer-in-a-general-japanese-population
#18
Masahiro Iida, Fumie Ikeda, Jun Hata, Yoichiro Hirakawa, Tomoyuki Ohara, Naoko Mukai, Daigo Yoshida, Koji Yonemoto, Motohiro Esaki, Takanari Kitazono, Yutaka Kiyohara, Toshiharu Ninomiya
BACKGROUND: There have been very few reports of risk score models for the development of gastric cancer. The aim of this study was to develop and validate a risk assessment tool for discerning future gastric cancer risk in Japanese. METHODS: A total of 2444 subjects aged 40 years or over were followed up for 14 years from 1988 (derivation cohort), and 3204 subjects of the same age group were followed up for 5 years from 2002 (validation cohort). The weighting (risk score) of each risk factor for predicting future gastric cancer in the risk assessment tool was determined based on the coefficients of a Cox proportional hazards model in the derivation cohort...
October 17, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28983696/is-the-ecura-system-useful-for-selecting-patients-who-require-radical-surgery-after-noncurative-endoscopic-submucosal-dissection-for-early-gastric-cancer-a-comparative-study
#19
Waku Hatta, Takuji Gotoda, Tsuneo Oyama, Noboru Kawata, Akiko Takahashi, Yoshikazu Yoshifuku, Shu Hoteya, Masahiro Nakagawa, Masaaki Hirano, Mitsuru Esaki, Mitsuru Matsuda, Ken Ohnita, Kohei Yamanouchi, Motoyuki Yoshida, Osamu Dohi, Jun Takada, Keiko Tanaka, Shinya Yamada, Tsuyotoshi Tsuji, Hirotaka Ito, Yoshiaki Hayashi, Tomohiro Nakamura, Naoki Nakaya, Tooru Shimosegawa
BACKGROUND: We have established a risk-scoring system, termed the "eCura system," for the risk stratification of lymph node metastasis in patients who have received noncurative endoscopic submucosal dissection (ESD) for early gastric cancer (EGC). We aimed to clarify whether this system contributes to the selection of patients requiring radical surgery after ESD. METHODS: Between 2000 and 2011, 1,969 patients with noncurative ESD for EGC were included in this multicenter study...
October 5, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28965205/time-to-initiation-or-duration-of-s-1-adjuvant-chemotherapy-which-really-impacts-on-survival-in-stage-ii-and-iii-gastric-cancer
#20
Kazumasa Fujitani, Yukinori Kurokawa, Atsushi Takeno, Shunji Endoh, Takeshi Ohmori, Junya Fujita, Makoto Yamasaki, Shuji Takiguchi, Masaki Mori, Yuichiro Doki
BACKGROUND: Surgical resection with S-1 adjuvant chemotherapy (AC) is the standard of care for stage II-III gastric cancer (GC). However, it is unclear if time to initiation and duration of S-1 AC impact on survival. METHODS: A multi-institutional GC database identified 498 patients who were treated with S-1 AC after D2 or more extended radical surgery for stage II-III gastric cancer. Patients were divided into four groups according to the interval between surgery and initiation of AC and the duration of AC as follows: group A (n = 226), who received AC earlier (≤6 weeks) and for longer (≥6 months) after surgery; group B (n = 160), who received AC later (>6 weeks) and for longer after surgery; group C (n = 46), who received AC earlier but for a shorter period (<6 months) after surgery; and group D (n = 66), who received AC later and for a shorter period after surgery...
September 30, 2017: Gastric Cancer
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