Search Results - "Omae, Masami"

Helicobacter pylori-negative gastric cancer: Characteristics and endoscopic findings by Yamamoto, Yorimasa, Fujisaki, Junko, Omae, Masami, Hirasawa, Toshiaki, Igarashi, Masahiro

“…Helicobacter pylori (H. pylori) leads to chronic gastritis and eventually causes gastric cancer. The prevalence of H. pylori infection is gradually decreasing…”
Get full text

Mixed poorly differentiated adenocarcinoma in undifferentiated-type early gastric cancer predicts endoscopic noncurative resection by Horiuchi, Yusuke, Fujisaki, Junko, Yamamoto, Noriko, Ishizuka, Naoki, Omae, Masami, Ishiyama, Akiyoshi, Yoshio, Toshiyuki, Hirasawa, Toshiaki, Yamamoto, Yorimasa, Nagahama, Masatsugu, Takahashi, Hiroshi, Tsuchida, Tomohiro

“…Background Comparisons between surgical cases of mixed poorly differentiated adenocarcinoma and pure signet ring cell carcinoma have revealed higher…”
Get full text

A significant increase in the pepsinogen I/II ratio is a reliable biomarker for successful Helicobacter pylori eradication by Osumi, Hiroki, Fujisaki, Junko, Suganuma, Takanori, Horiuchi, Yusuke, Omae, Masami, Yoshio, Toshiyuki, Ishiyama, Akiyoshi, Tsuchida, Tomohiro, Miki, Kazumasa

“…Helicobacter pylori (H. pylori) eradication is usually assessed using the 13C-urea breath test (UBT), anti-H. pylori antibody and the H. pylori stool antigen…”
Get full text

Risk of metastasis in adenocarcinoma of the esophagus: a multicenter retrospective study in a Japanese population by Ishihara, Ryu, Oyama, Tsuneo, Abe, Seiichiro, Takahashi, Hiroaki, Ono, Hiroyuki, Fujisaki, Junko, Kaise, Mitsuru, Goda, Kenichi, Kawada, Kenro, Koike, Tomoyuki, Takeuchi, Manabu, Matsuda, Rie, Hirasawa, Dai, Yamada, Masayoshi, Kodaira, Junichi, Tanaka, Masaki, Omae, Masami, Matsui, Akira, Kanesaka, Takashi, Takahashi, Akiko, Hirooka, Shinichi, Saito, Masahiro, Tsuji, Yosuke, Maeda, Yuki, Yamashita, Hiroharu, Oda, Ichiro, Tomita, Yasuhiko, Matsunaga, Takashi, Terai, Shuji, Ozawa, Soji, Kawano, Tatsuyuki, Seto, Yasuyuki

“…Background Little is known about the specific risks of metastasis in esophageal adenocarcinoma in relation to invasion depth or other pathologic factors…”
Get full text

Sporadic Nonampullary Duodenal Adenoma in the Natural History of Duodenal Cancer: A Study of Follow-up Surveillance by OKADA, Kazuhisa, FUJISAKI, Junko, TSUCHIDA, Tomohiro, NAKAJIMA, Atsushi, HOSHINO, Etsuo, IGARASHI, Masahiro, KASUGA, Akiyoshi, OMAE, Masami, KUBOTA, Manabu, HIRASAWA, Toshiaki, ISHIYAMA, Akiyoshi, INAMORI, Masahiko, CHINO, Akiko, YAMAMOTO, Yorimasa

“…Although sporadic nonampullary duodenal adenoma (SNDA) is regarded as a precancerous lesion, its natural course is uncertain. The aim of this study was to…”
Get full text

Efficacy of double‐scope endoscopic submucosal dissection and long‐term outcomes of endoscopic resection for superficial pharyngeal cancer by Yoshio, Toshiyuki, Tsuchida, Tomohiro, Ishiyama, Akiyoshi, Omae, Masami, Hirasawa, Toshiaki, Yamamoto, Yorimasa, Fujisaki, Junko, Sato, Yukiko, Sasaki, Tohru, Kawabata, Kazuyoshi, Igarashi, Masahiro

“…Background and Aim Owing to increased awareness and use of narrow‐band imaging, there are more opportunities to treat superficial pharyngeal cancer (SPC). The…”
Get full text

Effect of direct oral anticoagulants on the risk of delayed bleeding after gastric endoscopic submucosal dissection by Yoshio, Toshiyuki, Tomida, Hideomi, Iwasaki, Ryuichiro, Horiuchi, Yusuke, Omae, Masami, Ishiyama, Akiyoshi, Hirasawa, Toshiaki, Yamamoto, Yorimasa, Tsuchida, Tomohiro, Fujisaki, Junko, Yamada, Takuya, Mita, Eiji, Ninomiya, Tomoyuki, Michitaka, Kojiro, Igarashi, Masahiro

“…Background and Aim Anticoagulants are used to prevent thromboembolic events. Direct oral anticoagulants (DOAC) are our new choice; however, their effect on…”
Get full text

Efficacy of novel sedation using the combination of dexmedetomidine and midazolam during endoscopic submucosal dissection for esophageal squamous cell carcinoma by Yoshio, Toshiyuki, Ishiyama, Akiyoshi, Tsuchida, Tomohiro, Yoshimizu, Shoichi, Horiuchi, Yusuke, Omae, Masami, Hirasawa, Toshiaki, Yamamoto, Yorimasa, Sano, Hiromi, Yokota, Miyuki, Fujisaki, Junko

“…Background Endoscopic submucosal dissection (ESD) is the preferred treatment for esophageal squamous cell carcinoma (ESCC). However, ESD can be difficult when…”
Get full text

Undifferentiated‐type component mixed with differentiated‐type early gastric cancer is a significant risk factor for endoscopic non‐curative resection by Horiuchi, Yusuke, Fujisaki, Junko, Yamamoto, Noriko, Ishizuka, Naoki, Omae, Masami, Ishiyama, Akiyoshi, Yoshio, Toshiyuki, Hirasawa, Toshiaki, Yamamoto, Yorimasa, Nagahama, Masatsugu, Takahashi, Hiroshi, Tsuchida, Tomohiro

“…Background and Aim Previous studies of surgical specimens have found that the presence of mixed histological components in differentiated‐type early gastric…”
Get full text

Clinicopathological features of Siewert type II adenocarcinoma: comparison of gastric cardia adenocarcinoma and Barrett’s esophageal adenocarcinoma following endoscopic submucosal dissection by Osumi, Hiroki, Fujisaki, Junko, Omae, Masami, Shimizu, Tomoki, Yoshio, Toshiyuki, Ishiyama, Akiyoshi, Hirasawa, Toshiaki, Tsuchida, Tomohiro, Yamamoto, Yorimasa, Kawachi, Hiroshi, Yamamoto, Noriko, Igarashi, Masahiro

“…Objectives Siewert type II esophagogastric junction adenocarcinoma encompasses both gastric cardia adenocarcinoma (GCA) and Barrett’s esophageal adenocarcinoma…”
Get full text

Under the Hood: An Easy Method for Lesions Retrieval by Pereira, João Pedro, Guedes-Novais, Leonor, Antunes, Pedro, Omae, Masami, Maltzman, Henrik, Baldaque-Silva, Francisco

Get full text

Accuracy of diagnostic demarcation of undifferentiated-type early gastric cancers for magnifying endoscopy with narrow-band imaging: endoscopic submucosal dissection cases by Horiuchi, Yusuke, Fujisaki, Junko, Yamamoto, Noriko, Shimizu, Tomoki, Miyamoto, Yuji, Tomida, Hideomi, Omae, Masami, Ishiyama, Akiyoshi, Yoshio, Toshiyuki, Hirasawa, Toshiaki, Yamamoto, Yorimasa, Tsuchida, Tomohiro, Igarashi, Masahiro, Takahashi, Hiroshi

“…Background The usefulness of magnifying endoscopy with narrow-band imaging (ME-NBI) for undifferentiated-type early gastric cancers (UD-type EGCs) is unclear…”
Get full text

Treatment Outcomes of Endoscopic Submucosal Dissection for Adenocarcinoma Originating from Long-Segment Barrett's Esophagus versus Short-Segment Barrett's Esophagus by Shimizu, Tomoki, Fujisaki, Junko, Omae, Masami, Yamasaki, Akira, Horiuchi, Yusuke, Ishiyama, Akiyoshi, Yoshio, Toshiyuki, Hirasawa, Toshiaki, Yamamoto, Yorimasa, Tsuchida, Tomohiro

“…In recent years, effective outcomes of endoscopic submucosal dissection (ESD) for esophagogastric junction cancer including short-segment Barrett's esophagus…”
Get more information

Biological behavior of the intramucosal Helicobacter pylori-negative undifferentiated-type early gastric cancer: comparison with Helicobacter pylori-positive early gastric cancer by Horiuchi, Yusuke, Fujisaki, Junko, Yamamoto, Noriko, Shimizu, Tomoki, Miyamoto, Yuji, Tomida, Hideomi, Taniguchi, Chika, Morishige, Kenjiro, Omae, Masami, Ishiyama, Akiyoshi, Yoshio, Toshiyuki, Hirasawa, Toshiaki, Yamamoto, Yorimasa, Tsuchida, Tomohiro, Igarashi, Masahiro, Nakajima, Toshifusa, Takahashi, Hiroshi

“…Background The differences in the growth morphology, proliferative ability, and background mucosa of the cancer between Helicobacter pylori (HP)-positive (HP+)…”
Get full text

Endoscopic ultrasonography is valuable for identifying early gastric cancers meeting expanded-indication criteria for endoscopic submucosal dissection by Okada, Kazuhisa, Fujisaki, Junko, Kasuga, Akiyoshi, Omae, Masami, Yoshimoto, Kazuhito, Hirasawa, Toshiaki, Ishiyama, Akiyoshi, Yamamoto, Yorimasa, Tsuchida, Tomohiro, Hoshino, Etsuo, Igarashi, Masahiro, Takahashi, Hiroshi

“…Background Endoscopic ultrasonography (EUS) has become a reliable method for predicting the invasion depth of early gastric cancer (EGC). This study evaluated…”
Get full text

Diagnostic accuracy of demarcation of undifferentiated-type early gastric cancer after Helicobacter pylori eradication by Horiuchi, Yusuke, Fujisaki, Junko, Yamamoto, Noriko, Omae, Masami, Ishiyama, Akiyoshi, Yoshio, Toshiyuki, Hirasawa, Toshiaki, Yamamoto, Yorimasa, Tsuchida, Tomohiro, Takahashi, Hiroshi

“…Background It is unknown whether Helicobacter pylori ( H. pylori ) eradication is beneficial when demarcating undifferentiated-type early gastric cancers…”
Get full text

Diagnostic performance of routine esophagogastroduodenoscopy using magnifying endoscope with narrow‐band imaging for gastric cancer by Yoshimizu, Shoichi, Yamamoto, Yorimasa, Horiuchi, Yusuke, Omae, Masami, Yoshio, Toshiyuki, Ishiyama, Akiyoshi, Hirasawa, Toshiaki, Tsuchida, Tomohiro, Fujisaki, Junko

“…Background and Aim In Japan, an increase in the number of routine esophagogastroduodenoscopy procedures is expected because several studies have reported that…”
Get full text

Duodenal subepithelial neuroendocrine tumor removed by endoscopic submucosal dissection using internal traction with magnets by Baldaque-Silva, Francisco, Wang, Naining, Omae, Masami

“…[Display omitted]…”
Get full text

Role of single-use gastroscopes in advanced endoscopy by Baldaque-Silva, Francisco, Pereira, João Pedro, Vujasinovic, Miroslav, Wang, Naining, Omae, Masami

“…[Display omitted]…”
Get full text

Safety, efficacy, and long-term outcomes for endoscopic submucosal dissection of early esophagogastric junction cancer by Omae, Masami, Fujisaki, Junko, Horiuchi, Yusuke, Yoshizawa, Natsuko, Matsuo, Yasumasa, Kubota, Manabu, Suganuma, Takanori, Okada, Kazuhisa, Ishiyama, Akiyoshi, Hirasawa, Toshiaki, Yamamoto, Yorimasa, Tsuchida, Tomohiro, Hoshino, Etsuo, Igarashi, Masahiro

“…Background Early esophagogastric junction (EGJ) cancer is currently being treated in the same way as early gastric cancer, by endoscopic submucosal dissection…”
Get full text