Search Results - "NIWA, Yasumasa"

A nonrandomized, single-arm confirmatory trial of expanded endoscopic submucosal dissection indication for undifferentiated early gastric cancer: Japan Clinical Oncology Group study (JCOG1009/1010) by Takizawa, Kohei, Ono, Hiroyuki, Hasuike, Noriaki, Takashima, Atsuo, Minashi, Keiko, Boku, Narikazu, Kushima, Ryoji, Katayama, Hiroshi, Ogawa, Gakuto, Fukuda, Haruhiko, Fujisaki, Junko, Oda, Ichiro, Yano, Tomonori, Hori, Shinichiro, Doyama, Hisashi, Hirasawa, Kingo, Yamamoto, Yoshinobu, Ishihara, Ryu, Tanabe, Satoshi, Niwa, Yasumasa, Nakagawa, Masahiro, Terashima, Masanori, Muto, Manabu

“…Background While endoscopic submucosal dissection (ESD) is recognized as a minimally invasive standard treatment for differentiated early gastric cancers…”
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Diagnostic ability of artificial intelligence using deep learning analysis of cyst fluid in differentiating malignant from benign pancreatic cystic lesions by Kurita, Yusuke, Kuwahara, Takamichi, Hara, Kazuo, Mizuno, Nobumasa, Okuno, Nozomi, Matsumoto, Shimpei, Obata, Masahiro, Koda, Hiroki, Tajika, Masahiro, Shimizu, Yasuhiro, Nakajima, Atsushi, Kubota, Kensuke, Niwa, Yasumasa

“…The diagnosis of pancreatic cystic lesions remains challenging. This study aimed to investigate the diagnostic ability of carcinoembryonic antigen (CEA),…”
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Helicobacter pylori, Homologous-Recombination Genes, and Gastric Cancer by Usui, Yoshiaki, Taniyama, Yukari, Endo, Mikiko, Koyanagi, Yuriko N., Kasugai, Yumiko, Oze, Isao, Ito, Hidemi, Imoto, Issei, Tanaka, Tsutomu, Tajika, Masahiro, Niwa, Yasumasa, Iwasaki, Yusuke, Aoi, Tomomi, Hakozaki, Nozomi, Takata, Sadaaki, Suzuki, Kunihiko, Terao, Chikashi, Hatakeyama, Masanori, Hirata, Makoto, Sugano, Kokichi, Yoshida, Teruhiko, Kamatani, Yoichiro, Nakagawa, Hidewaki, Matsuda, Koichi, Murakami, Yoshinori, Spurdle, Amanda B., Matsuo, Keitaro, Momozawa, Yukihide

“…Infection with Helicobacter pylori is known to confer a risk of gastric cancer. In this study, persons who carried certain genetic variants and were infected…”
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Diagnostic ability and factors affecting accuracy of endoscopic ultrasound-guided fine needle aspiration for pancreatic solid lesions: Japanese large single center experience by Haba, Shin, Yamao, Kenji, Bhatia, Vikram, Mizuno, Nobumasa, Hara, Kazuo, Hijioka, Susumu, Imaoka, Hiroshi, Niwa, Yasumasa, Tajika, Masahiro, Kondo, Shinya, Tanaka, Tsutomu, Shimizu, Yasuhiro, Yatabe, Yasushi, Hosoda, Waki, Kawakami, Hiroshi, Sakamoto, Naoya

“…Background Several studies have investigated the diagnostic accuracy of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) for pancreatic lesions,…”
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Long-Term Outcome of Patients with Locally Advanced Clinically Unresectable Esophageal Cancer Undergoing Conversion Surgery after Induction Chemotherapy with Docetaxel Plus Cisplatin and 5-Fluorouracil by Abe, Tetsuya, Higaki, Eiji, Hosoi, Takahiro, Nagao, Takuya, Bando, Hideaki, Kadowaki, Shigenori, Muro, Kei, Tanaka, Tsutomu, Tajika, Masahiro, Niwa, Yasumasa, Shimizu, Yasuhiro

“…Background Although definitive chemoradiotherapy (CRT) is recommended for patients with locally advanced unresectable esophageal cancer, the outcome is…”
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Association between ALDH2 and ADH1B polymorphisms, alcohol drinking and gastric cancer: a replication and mediation analysis by Ishioka, Kuka, Masaoka, Hiroyuki, Ito, Hidemi, Oze, Isao, Ito, Seiji, Tajika, Masahiro, Shimizu, Yasuhiro, Niwa, Yasumasa, Nakamura, Shigeo, Matsuo, Keitaro

“…Background Aldehyde dehydrogenase 2 ( ALDH2 ; rs671, Glu504Lys) and alcohol dehydrogenase 1B ( ADH1B ; rs1229984, His47Arg) polymorphisms have a strong impact…”
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Artificial intelligence using deep learning analysis of endoscopic ultrasonography images for the differential diagnosis of pancreatic masses by Kuwahara, Takamichi, Hara, Kazuo, Mizuno, Nobumasa, Haba, Shin, Okuno, Nozomi, Kuraishi, Yasuhiro, Fumihara, Daiki, Yanaidani, Takafumi, Ishikawa, Sho, Yasuda, Tsukasa, Yamada, Masanori, Onishi, Sachiyo, Yamada, Keisaku, Tanaka, Tsutomu, Tajika, Masahiro, Niwa, Yasumasa, Yamaguchi, Rui, Shimizu, Yasuhiro

“…BACKGROUND : There are several types of pancreatic mass, so it is important to distinguish between them before treatment. Artificial intelligence (AI) is a…”
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Comparison of prognosis between observation and surgical resection groups with small sporadic non-functional pancreatic neuroendocrine neoplasms without distant metastasis by Kurita, Yusuke, Hara, Kazuo, Kuwahara, Takamichi, Mizuno, Nobumasa, Okuno, Nozomi, Haba, Shin, Okuno, Masataka, Natsume, Seiji, Senda, Yoshiki, Kubota, Kensuke, Nakajima, Atsushi, Niwa, Yasumasa, Shimizu, Yasuhiro

“…Background The treatment of small (≤ 2 cm), sporadic localized non-functional pancreatic neuroendocrine neoplasms (PNENs) is often controversial. This study…”
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Variations in clinical features and oncologic behaviors of T1 colorectal cancer according to tumor location by Ouchi, Akira, Toriyama, Kazuhiro, Kinoshita, Takashi, Tanaka, Tsutomu, Shimizu, Yasuhiro, Niwa, Yasumasa, Tajika, Masahiro, Komori, Koji

“…Background Different genetic characteristics according to tumor location result in variations in survival rates and treatment responses in advanced colorectal…”
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Case of superficial esophageal cancer resected by modified gel immersion endoscopic submucosal dissection technique by Yamada, Keisaku, Tajika, Masahiro, Niwa, Yasumasa

“…Watch a video of this article…”
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Usefulness of Deep Learning Analysis for the Diagnosis of Malignancy in Intraductal Papillary Mucinous Neoplasms of the Pancreas by Kuwahara, Takamichi, Hara, Kazuo, Mizuno, Nobumasa, Okuno, Nozomi, Matsumoto, Shimpei, Obata, Masahiro, Kurita, Yusuke, Koda, Hiroki, Toriyama, Kazuhiro, Onishi, Sachiyo, Ishihara, Makoto, Tanaka, Tsutomu, Tajika, Masahiro, Niwa, Yasumasa

“…Intraductal papillary mucinous neoplasms (IPMNs) are precursor lesions of pancreatic adenocarcinoma. Artificial intelligence (AI) is a mathematical concept…”
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Efficacy of the 6‐mm fully covered self‐expandable metal stent during endoscopic ultrasound‐guided hepaticogastrostomy as a primary biliary drainage for the cases estimated difficult endoscopic retrograde cholangiopancreatography: A prospective clinical study by Okuno, Nozomi, Hara, Kazuo, Mizuno, Nobumasa, Kuwahara, Takamichi, Iwaya, Hiromichi, Ito, Ayako, Kuraoka, Naosuke, Matsumoto, Shimpei, Polmanee, Petcharee, Niwa, Yasumasa

“…Background and Aim Endoscopic ultrasound‐guided hepaticogastrostomy (EUS‐HGS) is performed as an alternative to the percutaneous or surgical approach. Despite…”
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Evaluation of Ki-67 index in EUS-FNA specimens for the assessment of malignancy risk in pancreatic neuroendocrine tumors by Hasegawa, Toshiyuki, Yamao, Kenji, Hijioka, Susumu, Bhatia, Vikram, Mizuno, Nobumasa, Hara, Kazuo, Imaoka, Hiroshi, Niwa, Yasumasa, Tajika, Masahiro, Kondo, Shinya, Tanaka, Tutomu, Shimizu, Yasuhiro, Kinoshita, Taira, Kohsaki, Takuhiro, Nishimori, Isao, Iwasaki, Shinji, Saibara, Toshiji, Hosoda, Waki, Yatabe, Yasushi

“…Malignancy in pancreatic neuroendocrine tumors (PNETs) is graded by assessing the resected specimens according to the World Health Organization (WHO) 2010…”
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Juvenile Hepatocellular Carcinoma in a Healthy Liver by Onishi, Sachiyo, Tajika, Masahiro, Tanaka, Tsutomu, Yamada, Keisaku, Kamiya, Tomoyasu, Natsume, Seiji, Shimizu, Yasuhiro, Niwa, Yasumasa

“…Primary hepatocellular carcinoma (HCC) in patients <30 years old is extremely rare. In younger patients, HCC develops against a background of persistent…”
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Prognostic value of K-ras mutation status and subtypes in endoscopic ultrasound-guided fine-needle aspiration specimens from patients with unresectable pancreatic cancer by Ogura, Takeshi, Yamao, Kenji, Hara, Kazuo, Mizuno, Nobumasa, Hijioka, Susumu, Imaoka, Hiroshi, Sawaki, Akira, Niwa, Yasumasa, Tajika, Masahiro, Kondo, Shinya, Tanaka, Tsutomu, Shimizu, Yasuhiro, Bhatia, Vikram, Higuchi, Kazuhide, Hosoda, Waki, Yatabe, Yasushi

“…Background Although recent reports indicate that K - ras mutation status is a biomarker that acts as a prognostic factor, only a few analyses of K - ras…”
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Efficacy of rebamipide for diclofenac-induced small-intestinal mucosal injuries in healthy subjects: a prospective, randomized, double-blinded, placebo-controlled, cross-over study by Niwa, Yasumasa, Nakamura, Masanao, Ohmiya, Naoki, Maeda, Osamu, Ando, Takafumi, Itoh, Akihiro, Hirooka, Yoshiki, Goto, Hidemi

“…Background Although obscure gastrointestinal bleeding cannot be detected by colonoscopy or upper endoscopy, wireless video capsule endoscopy (VCE) is capable…”
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Diagnostic performance and factors influencing the accuracy of EUS-FNA of pancreatic neuroendocrine neoplasms by Hijioka, Susumu, Hara, Kazuo, Mizuno, Nobumasa, Imaoka, Hiroshi, Bhatia, Vikram, Mekky, Mohamed A., Yoshimura, Kenichi, Yoshida, Tsukasa, Okuno, Nozomi, Hieda, Nobuhiro, Tajika, Masahiro, Tanaka, Tsutomu, Ishihara, Makoto, Yatabe, Yasushi, Shimizu, Yasuhiro, Niwa, Yasumasa, Yamao, Kenji

“…Background Multiple studies have investigated sampling adequacy of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) for pancreatic neuroendocrine…”
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Effectiveness and Prognostic Factors of Everolimus in Patients with Pancreatic Neuroendocrine Neoplasms by Kurita, Yusuke, Kobayashi, Noritoshi, Hara, Kazuo, Mizuno, Nobumasa, Kuwahara, Takamichi, Okuno, Nozomi, Haba, Shin, Tokuhisa, Motohiko, Hasegawa, Sho, Sato, Takamitsu, Hosono, Kunihiro, Kato, Shingo, Kessoku, Takaomi, Endo, Itaru, Shimizu, Yasuhiro, Kubota, Kensuke, Nakajima, Atsushi, Ichikawa, Yasushi, Niwa, Yasumasa

“…Objective The effectiveness of everolimus for the management of pancreatic neuroendocrine neoplasms (PNENs), including the G3/NEC types, remains unclear. We…”
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Prospective Clinical Study of EUS-Guided Choledochoduodenostomy for Malignant Lower Biliary Tract Obstruction by HARA, Kazuo, YAMAO, Kenji, MATUMOTO, Kazuya, BHATIA, Vikram, SHIMIZU, Yasuhiro, ITO, Akihiro, HIROOKA, Yoshiki, GOTO, Hidemi, NIWA, Yasumasa, SAWAKI, Akira, MIZUNO, Nobumasa, HIJIOKA, Susumu, TAJIKA, Masahiro, KAWAI, Hiroki, KONDO, Shinya, KOBAYASHI, Yuji

“…Endoscopic ultrasound-guided choledochoduodenostomy (EUS-CDS) has recently been reported as an alternative to percutaneous transhepatic biliary drainage (PTBD)…”
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Risk factor analysis for adverse events and stent dysfunction of endoscopic ultrasound‐guided choledochoduodenostomy by Matsumoto, Shimpei, Hara, Kazuo, Mizuno, Nobumasa, Kuwahara, Takamichi, Okuno, Nozomi, Obata, Masahiro, Kurita, Yusuke, Koda, Hiroki, Tajika, Masahiro, Tanaka, Tsutomu, Hirayama, Yutaka, Onishi, Sachiyo, Toriyama, Kazuhiro, Niwa, Yasumasa

“…Background and Aims Although the technique of endoscopic ultrasound‐guided choledochoduodenostomy (EUS‐CDS) is becoming standardized, its safety issues have…”
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