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3. Conventional versus underwater endoscopic resection for superficial non-ampullary duodenal epithelial tumours

Author

Miyazaki, Hajime, primary, Dohi, Osamu, additional, Ishida, Tsugitaka, additional, Seya, Mayuko, additional, Yamauchi, Katsuma, additional, Fukui, Hayato, additional, Yasuda, Takeshi, additional, Yoshida, Takuma, additional, Iwai, Naoto, additional, Doi, Toshifumi, additional, Hirose, Ryohei, additional, Inoue, Ken, additional, Harusato, Akihito, additional, Yoshida, Naohisa, additional, Uchiyama, Kazuhiko, additional, Takagi, Tomohisa, additional, Ishikawa, Takeshi, additional, Konishi, Hideyuki, additional, Morinaga, Yukiko, additional, Kishimoto, Mitsuo, additional, Naito, Yuji, additional, and Itoh, Yoshito, additional

Published
2023
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4. Anoctamin 5 regulates the cell cycle and affects prognosis in gastric cancer

Author

Fukami, Tomoyuki, primary, Shiozaki, Atsushi, additional, Kosuga, Toshiyuki, additional, Kudou, Michihiro, additional, Shimizu, Hiroki, additional, Ohashi, Takuma, additional, Arita, Tomohiro, additional, Konishi, Hirotaka, additional, Komatsu, Shuhei, additional, Kubota, Takeshi, additional, Fujiwara, Hitoshi, additional, Okamoto, Kazuma, additional, Kishimoto, Mitsuo, additional, Morinaga, Yukiko, additional, Konishi, Eiichi, additional, and Otsuji, Eigo, additional

Published
2022
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6. A Case of Fifteen Simultaneous Rectal Neuroendocrine Tumors and Endocrine Cell Micronests Resected by Both Endoscopic Treatments and Surgery

Author

Hashimoto, Hikaru, primary, Yoshida, Naohisa, additional, Inoue, Ken, additional, Kobayashi, Reo, additional, Tomita, Yuri, additional, Sugino, Satoshi, additional, Dohi, Osamu, additional, Hirose, Ryohei, additional, Inada, Yutaka, additional, Murakami, Takaaki, additional, Morinaga, Yukiko, additional, Kishimoto, Mitsuo, additional, and Itoh, Yoshito, additional

Published
2022
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7. Effects of the combined use of a scissor-type knife and traction clip on endoscopic submucosal dissection of colorectal tumors: a propensity score-matched analysis

Author

Inoue, Ken, additional, Yoshida, Naohisa, additional, Dohi, Osamu, additional, Sugino, Satoshi, additional, Matsumura, Shinya, additional, Kitae, Hiroaki, additional, Yasuda, Ritsu, additional, Nakano, Takahiro, additional, Terasaki, Kei, additional, Hirose, Ryohei, additional, Naito, Yuji, additional, Murakami, Takaaki, additional, Inada, Yutaka, additional, Ogiso, Kiyoshi, additional, Morinaga, Yukiko, additional, Kishimoto, Mitsuo, additional, and Yoshito, Itoh, additional

Published
2021
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8. Improved Visibility of Early Gastric Cancer after Successful Helicobacter pylori Eradication with Image-Enhanced Endoscopy: A Multi-Institutional Study Using Video Clips

Author

Matsumura, Shinya, primary, Dohi, Osamu, additional, Yamada, Nobuhisa, additional, Harusato, Akihito, additional, Yasuda, Takeshi, additional, Yoshida, Takuma, additional, Ishida, Tsugitaka, additional, Azuma, Yuka, additional, Kitae, Hiroaki, additional, Doi, Toshifumi, additional, Hirose, Ryohei, additional, Inoue, Ken, additional, Yoshida, Naohisa, additional, Kamada, Kazuhiro, additional, Uchiyama, Kazuhiko, additional, Takagi, Tomohisa, additional, Ishikawa, Takeshi, additional, Konishi, Hideyuki, additional, Morinaga, Yukiko, additional, Kishimoto, Mitsuo, additional, Yagi, Nobuaki, additional, Naito, Yuji, additional, and Itoh, Yoshito, additional

Published
2021
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12. Cold snare polypectomy for large sessile serrated lesions is safe but follow‐up is needed: a single‐centre retrospective study

Author

Yoshida, Naohisa, primary, Inoue, Ken, additional, Tomita, Yuri, additional, Hashimoto, Hikaru, additional, Sugino, Satoshi, additional, Hirose, Ryohei, additional, Dohi, Osamu, additional, Naito, Yuji, additional, Morinaga, Yukiko, additional, Kishimoto, Mitsuo, additional, Inada, Yutaka, additional, Murakami, Takaaki, additional, and Itoh, Yoshito, additional

Published
2021
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13. Blue Laser Imaging, Blue Light Imaging, and Linked Color Imaging for the Detection and Characterization of Colorectal Tumors

Author

Yoshida, Naohisa, primary, Dohi, Osamu, additional, Inoue, Ken, additional, Yasuda, Ritsu, additional, Murakami, Takaaki, additional, Hirose, Ryohei, additional, Naito, Yuji, additional, Inada, Yutaka, additional, Ogiso, Kiyoshi, additional, Morinaga, Yukiko, additional, Kishimoto, Mitsuo, additional, Rani, Rafiz Abdul, additional, and Itoh, Yoshito, additional

Published
2019
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15. Nonbacterial thrombotic endocarditis associated with cancer of unknown origin complicated with thrombus in the left auricular appendage: case report

Author

Morinaga Yukiko, Saegusa Jun, Miura Natsuko, Matsumoto Kensuke, Tatsumi Kazuhiro, Ryo Keiko, Yamawaki Kohei, Tsuji Takayuki, Kaneko Akihiro, Onishi Tetsuari, Tanaka Hidekazu, Norisada Kazuko, Hara Shigeo, Kawai Hiroya, and Hirata Ken-ichi

Subjects
Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract

Abstract A 63-year-old man was admitted to our hospital with a complaint of right lateroabdominal pain. He was diagnosed with metastatic colon cancer, and then developed multiple brain embolic infarctions 7 days after admission. Transesophageal echocardiography showed that mobile, echo-dense masses were attached to the anterior and posterior mitral valve leaflet. Furthermore, there was a thrombus in the left auricular appendage despite sinus rhythm. These findings led to a diagnosis of suspected infectious endocarditis with subsequent multiple brain infarctions. The patient's general condition worsened and he died 13 days after admission. An autopsy was performed, and, while poorly differentiated cancer was observed in multiple organs, no primary tumor could be identified. Histological analysis showed that the masses of the mitral valve consisted mainly of fibrin without bacteria or oncocytes. This patient was therefore diagnosed with nonbacterial thrombotic endocarditis associated with cancer of unknown origin complicated with thrombus in the left auricular appendage.

Published
2011
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16. Pure Well-Differentiated Adenocarcinoma Is a Safe Factor for Lymph Node Metastasis in T1 and T2 Colorectal Cancer: A Pilot Study

Author

Yoshida, Naohisa, primary, Nakanishi, Masayoshi, additional, Inoue, Ken, additional, Yasuda, Ritsu, additional, Hirose, Ryohei, additional, Naito, Yuji, additional, Itoh, Yoshito, additional, Arita, Tomohiro, additional, Murayama, Yasutoshi, additional, Kuriu, Yoshiaki, additional, Otsuji, Eigo, additional, Yanagisawa, Akio, additional, Ogiso, Kiyoshi, additional, Murakami, Takaaki, additional, Morinaga, Yukiko, additional, Konishi, Eiichi, additional, Inada, Yutaka, additional, and Kishimoto, Mitsuo, additional

Published
2018
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17. Cold snare polypectomy for large sessile serrated lesions is safe but follow-up is needed: A single-centre retrospective study

Author

Yoshida, Naohisa, Inoue, Ken, Tomita, Yuri, Hashimoto, Hikaru, Sugino, Satoshi, Hirose, Ryohei, Dohi, Osamu, Naito, Yuji, Morinaga, Yukiko, Kishimoto, Mitsuo, Inada, Yutaka, Murakami, Takaaki, and Itoh, Yoshito

Abstract

Background and aim Cold snare polypectomy (CSP) is growing in popularity due to its safety and convenience. Its indication is benign tumours such as adenoma and sessile serrated lesions (SSLs) <10 mm in size. CSP for SSLs ≥10 mm in size has not been well examined. In this study, we aimed the feasibility of this treatment regarding therapeutic results and local recurrence.Methods This was a single-centre retrospective cohort study. We reviewed SSLs with or without dysplasia of 10–20 mm that were resected by CSP from 2014 to 2020. All tumours were diagnosed endoscopically as SSLs without dysplasia before CSP with the help of magnifying narrow band imaging or blue laser imaging. We analysed the lesion characteristics, en bloc resection, histopathological diagnosis, adverse events and local recurrence. We analysed risk factors for recurrence, comparing recurrent lesions to non-recurrent lesions. We also compared risk factors for lesions 10–14 mm in size to those for lesions 15–20 mm in size.Results We analysed 160 lesions in 100 patients (Mage±SD=67.7±10.1 years). The polyp size (M±SD) was 11.8±2.8 mm, and the en bloc resection rate was 60.0% (96 cases). The rates of massive perioperative haemorrhage, postoperative haemorrhage and perforation were 1.3%, 0% and 0%, respectively. Regarding histopathological diagnosis, two (1.2%) cases showed SSLs with high-grade dysplasia. The recurrence rate in 101 lesions with a median follow-up period of 18 months (interquartile range 12–24 months) was 5.0%. There were no significant risk factors such as tumour size, location, morphology and so on in terms of recurrence. All recurrent cases could be resected by repeat CSP. The recurrence rates of lesions 10–14 mm in size and 15–20 mm in size were 4.7% and 6.3%, respectively (p=0.713).Conclusion CSP of SSLs ≥10 mm in size according to magnifying endoscopic diagnosis was safe and promising, but the rate of recurrence was slightly high, meaning that close follow-up is required.

Published
2024
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18. Additional Thirty Seconds Observation with Linked Color Imaging Improves Detection of Missed Polyps in the Right-Sided Colon

Author

Yoshida, Naohisa, primary, Inada, Yutaka, additional, Yasuda, Ritsu, additional, Murakami, Takaaki, additional, Hirose, Ryohei, additional, Inoue, Ken, additional, Dohi, Osamu, additional, Naito, Yuji, additional, Ogiso, Kiyoshi, additional, Morinaga, Yukiko, additional, Kishimoto, Mitsuo, additional, Konishi, Eiichi, additional, and Itoh, Yoshito, additional

Published
2018
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20. An Isolated Case of Late-onset Amyloidogenic Transthyretin Type Familial Amyloid Polyneuropathy Associated with a Mutant Transthyretin Substituting Methionine for Valine at Position 30 Showing Latent Progressive Cardiac Involvement Confirmed by Serial Annual Electrocardiograms

Author

Sato, Chikako, primary, Takaya, Tomofumi, additional, Mori, Shumpei, additional, Hasegawa, Kohei, additional, Soga, Fumitaka, additional, Tanaka, Hidekazu, additional, Watanabe, Yoshiaki, additional, Nishii, Tatsuya, additional, Kono, Atsushi K., additional, Morinaga, Yukiko, additional, Ishibashi-Ueda, Hatsue, additional, and Hirata, Ken-ichi, additional

Published
2017
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24. Nonbacterial thrombotic endocarditis associated with cancer of unknown origin complicated with thrombus in the left auricular appendage: case report

Author

Norisada, Kazuko, primary, Tanaka, Hidekazu, additional, Onishi, Tetsuari, additional, Kaneko, Akihiro, additional, Tsuji, Takayuki, additional, Yamawaki, Kohei, additional, Ryo, Keiko, additional, Tatsumi, Kazuhiro, additional, Matsumoto, Kensuke, additional, Miura, Natsuko, additional, Saegusa, Jun, additional, Morinaga, Yukiko, additional, Hara, Shigeo, additional, Kawai, Hiroya, additional, and Hirata, Ken-ichi, additional

Published
2011
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25. The Comparison of Diagnostic Ability between Blue Laser/Light Imaging and Narrowband Imaging for Sessile Serrated Lesions with or without Dysplasia.

Author

Kobayashi R, Yoshida N, Morinaga Y, Hashimoto H, Tomita Y, Sugino S, Inoue K, Hirose R, Dohi O, Murakami T, Inada Y, Morimoto Y, and Itoh Y

Abstract

Objectives: Diagnostic ability of sessile serrated lesions (SSL) and SSL with dysplasia (SSLD) using blue laser/light imaging (BLI) has not been well examined. We analyzed the diagnostic accuracy of BLI for SSL and SSLD using several endoscopic findings compared to those of narrow band imaging (NBI)., Materials and Methods: This was a subgroup analysis of prospective studies. 476 suspiciously serrated lesions of ≥2 mm on the proximal colon showing serrated change with magnified NBI or BLI in our institution between 2014 and 2021 were examined histopathologically. After propensity score matching, we evaluated the diagnostic ability of SSL and SSLD of the NBI and BLI groups regarding various endoscopic findings. For WLI findings, granule, depression, and reddish were examined for diagnosing SSLD. For NBI/BLI findings, expanded crypt opening (ECO) or thick and branched vessels (TBV) were examined for diagnosing SSL. Network vessels (NV) and white dendritic change (WDC) defined originally were examined for diagnosing SSLD., Results: Among matched 176 lesions, the sensitivity of lesions with either ECO or TBV for SSL in the NBI/BLI group was 97.5%/98.5% ( p = 0.668). Those with either WDC or NV for diagnosing SSLD in the groups were 81.0%/88.9% ( p = 0.667). Regarding the rates of endoscopic findings among 30 SSLD and 290 SSL, there were significant differences in WDC (66.4% vs. 8.6%, p < 0.001), NV (55.3% vs. 1.4%, p < 0.001), and either WDC or NV (86.8% vs. 9.0%, p < 0.001)., Conclusions: The diagnostic ability of BLI for SSL and SSLD was not different from NBI. NV and WDC were useful for diagnosing SSLD., Competing Interests: Yoshida N is an editor of Gastroenterology Research and Practice. Yoshida N and Dohi O received a research grant from Fujifilm Co. Yoshida N received payment for lectures from Fujifilm Co. The other authors declare no conflicts of interest., (Copyright © 2024 Reo Kobayashi et al.)

Published
2024
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