Serum IgG4-negative and IgG4-positive type 1 autoimmune pancreatitis present with different clinicopathological features: An analysis of a nationwide survey in Japan

Authors: Ikeura, Tsukasa, Itoi, Takao, Ito, Tetsuhide, Inoue, Dai, Irisawa, Atsushi, Ueki, Toshiharu, Uehara, Takeshi, Uchida, Kazushige, Kubota, Kensuke, Kodama, Yuzo, Naitoh, Itaru, Nakazawa, Takahiro, Nishino, Takayoshi, Notohara, Kenji, Hirooka, Yoshiki, Fujimori, Nao, Nakai, Yousuke, Kamisawa, Terumi, Motoya, Masayo, Tomoyuki Ushijima, Kyoko Shimizu, Fukasawa, Mitsuharu, Ueno, Masayuki, Okuwaki, Kosuke, Uza, Norimitsu, Asada, Masanori, Mukai, Tsuyoshi, Kudo, Yasushi, Uetsuki, Kota, Mitoro, Akira, Watanabe, Hiroyuki, Terai, Shuji, Hayashi, Kazunao, Imamura, Yoshiki, Haba, Shin, Hara, Kazuo, Fujisawa, Toshio, Iwasaki, Eisuke, Okumura, Fumihiro, Kawaji, Yuki, Kitano, Masayuki, Nagahama, Masatsugu, Hirano, Atsuyuki, Aruga, Yukio, Yamamoto, Satoshi, Inui, Kazuo, Kubota, Yoshimasa, Takahashi, Kuniyuki, Sakagami, Junichi, Kobayashi, Takashi, Miraki, Takashi, Watanabe, Takayuki, Sato, Hiroko, Takeda, Yasuto, Satoh, Masahiro, Kobashigawa, Kasen, Chiba, Mitsuru, Tamura, Tetsuo, Sawada, Naoya, Mizukami, Kazuhiro, Sekine, Masanari, Unno, Jun, Ishizawa, Tetsuya, Funayama, Hiroyuki, Hatayama, Katsuko, Miyakawa, Hiroyuki, Sakai, Toshitaka, Kuwatani, Masaki, Toki, Masao, Toyokawa, Tatsuya, Hashimoto, Shinichi, Iwashita, Yuji, Sato, Ai, Kato, Hironari, Takatori, Hajime, Iizawa, Yusuke, Iwashita, Takuji, Kondo, Hiromu, Sato, Yuichirou, Tanabe, Minoru, Ogura, Toshiro, Yamamoto, Katsutoshi, Masaka, Tomohiro, Setsuda, Morimichi, Sano, Tatsushi, Matsubara, Saburo, Kitamura, Katsuya, Iwata, Keisuke, Shirahata, Nakao, Hagiwara, Hideki, Yoshida, Motoyuki, Yokota, Tomoyuki, Shigoka, Hiroaki, Kaneko, Naoya, Abue, Makoto, Tsuruoka, Nanae, Sano, Takanori ^a, Kikuta, Kazuhiro ^a, Takikawa, Tetsuya ^a, Matsumoto, Ryotaro ^a, Okazaki, Kazuichi ^b, Takeyama, Yoshifumi ^c, Masamune, Atsushi ^{a, ⁎}

Source: In Pancreatology February 2025 25(1):82-88

Utility of contrast-enhanced harmonic endoscopic ultrasonography for prediction of pathological response after neoadjuvant chemotherapy in patients with pancreatic cancer

Authors: Yamashita, Yasunobu, Ashida, Reiko, Kojima, Fumiyoshi, Okada, Ken-ichi, Kawai, Manabu, Yamazaki, Hirofumi, Tamura, Takaaki, Kawaji, Yuki, Tamura, Takashi, Hatamaru, Keiichi, Itonaga, Masahiro, Kitano, Masayuki

Source: In Pancreatology December 2023 23(8):1014-1019

Shear-wave versus strain elastography in endoscopic ultrasound for the diagnosis of chronic pancreatitis

Authors: Yamashita, Yasunobu, Yamazaki, Hirofumi, Shimokawa, Toshio, Kawaji, Yuki, Tamumra, Takashi, Hatamaru, Keiichi, Itonaga, Masahiro, Ashida, Reiko, Kitano, Masayuki

Source: In Pancreatology January 2023 23(1):35-41

Value of image enhancement of endoscopic ultrasound for diagnosis of gastrointestinal subepithelial lesions.

Authors: Yamazaki, Hirofumi, Yamashita, Yasunobu, Tamura, Takaaki, Kawaji, Yuki, Tamura, Takashi, Itonaga, Masahiro, Ashida, Reiko, Shimokawa, Toshio, Kojima, Fumiyoshi, Hayata, Keiji, Maekita, Takao, Iguchi, Mikitaka, Kitano, Masayuki

Source: Den Open; Apr2025, Vol. 5 Issue 1, p1-9, 9p

Contrast-enhanced harmonic endoscopic ultrasonography for predicting the efficacy of first-line gemcitabine and nab-paclitaxel chemotherapy in pancreatic cancer

Authors: Emori, Tomoya, Ashida, Reiko, Tamura, Takashi, Kawaji, Yuki, Hatamaru, Keiichi, Itonaga, Masahiro, Yamashita, Yasunobu, Shimokawa, Toshio, Higashino, Nobuyuki, Ikoma, Akira, Sonomura, Tetsuo, Kawai, Manabu, Kitano, Masayuki

Source: In Pancreatology May 2022 22(4):525-533

Impact of sarcopenia on prediction of progression-free survival and overall survival of patients with pancreatic ductal adenocarcinoma receiving first-line gemcitabine and nab-paclitaxel chemotherapy

Authors: Emori, Tomoya, Itonaga, Masahiro, Ashida, Reiko, Tamura, Takashi, Kawaji, Yuki, Hatamaru, Keiichi, Yamashita, Yasunobu, Shimokawa, Toshio, Koike, Masataka, Sonomura, Tetsuo, Kawai, Manabu, Kitano, Masayuki

Source: In Pancreatology March 2022 22(2):277-285

Usefulness of a newly designed laser-cut metal stent with an anchoring hook and thin delivery system for EUS-guided hepaticogastrostomy in experimental settings (with video)

Authors: Yamashita, Yasunobu, Itonaga, Masahiro, Gon, Chimyon, Kawaji, Yuki, Tamura, Takashi, Hatamaru, Keiichi, Minaga, Kosuke, Takenaka, Mamoru, Ogura, Takeshi, Kitano, Masayuki

Source: In Gastrointestinal Endoscopy November 2021 94(5):999-1008

Clinical characteristics of immunoglobulin IgG4-related sclerosing cholangitis: Comparison of cases with and without autoimmune pancreatitis in a large cohort

Authors: Furumatsu, Keisuke, Sawai, Shigeaki, Goto, Takuma, Okumura, Toshikatsu, Suzuki, Daisuke, Otsuka, Masayuki, Kobori, Ikuhiro, Tamano, Masaya, Koizumi, Mitsuhito, Hiasa, Yoichi, Kawabe, Naoto, Hirooka, Yoshiki, Yamamoto, Satoshi, Asano, Yukio, Inui, Kazuo, Horiguchi, Akihiko, Watanabe, Hiroyuki, Toya, Daishu, Hatayama, Katsuko, Ueki, Toshiharu, Kinoshita, Norikatsu, Sugimoto, Mitsuru, Ohira, Hiromasa, Mukai, Tsuyoshi, Tomita, Eiichi, Iwata, Keisuke, Shimizu, Shogo, Suetsugu, Jun, Shimizu, Masahito, Tsuji, Keiji, Ishida, Ryoko, Ito, Masanori, Furukawa, Ryutaro, Sakamoto, Naoya, Araki, Masahiro, Tanno, Satoshi, Sakamoto, Yasunari, Ito, Tetsuhide, Takai, Satoshi, Ikeya, Shinichi, Yamada, Takanori, Kudara, Norihiko, Shimizu, Akinori, Hanada, Keiji, Ichiki, Yasunori, Kitada, Hideki, Hifumi, Michio, Kimura, Hiroyuki, Kurosaki, Masayuki, Izumi, Namiki, Sumi, Hajime, Haruta, Jun-ichi, Hayashi, Katsumi, Harada, Ryo, Inoue, Masafumi, Nakamura, Shinichiro, Ito, Tetsuya, Tomishima, Ko, Isayama, Hiroyuki, Oura, Kyoko, Masaki, Tsutomu, Shimokawahara, Naoto, Tanoue, Shirou, Maemura, Kousei, Ido, Akio, Mizushima, Ichiro, Kawano, Mitsuhiro, Yoshida, Katsunori, Naganuma, Makoto, Murata, Miki, Nishio, Akiyoshi, Fujita, Yuji, Teratani, Takuma, Matsubara, Shohei, Tamai, Hironao, Yoshida, Yuu, Azemoto, Ryousaku, Kamata, Ken, Watanabe, Tomohiro, Kurosu, Takahiro, Koizumi, Wasaburou, Fujita, Jun, Seki, Hideyuki, Ueda, Yasuhiro, Fukumoto, Takumi, Kousaki, Takuhiro, Uchida, Kazushige, Ochiai, Toshimasa, Kawasaki, Takeshi, Tanaka, Motohiko, Ishida, Etsuji, Notohara, Kenji, Mori, Hideaki, Mori, Toshiyuki, Kawabata, Hideaki, Miyata, Masatoshi, Sakagami, Junichi, Itoh, Yoshito, Shiokawa, Masahiro, Seno, Hiroshi, Watanabe, Noriko, Naitoh, Itaru, Kataoka, Hiromi, Aoki, Toshinori, Fujishiro, Mitsuhiro, Niihara, Toru, Nishimata, Hiroto, Mitoro, Akira, Yoshiji, Hitoshi, Yoshida, Motoyuki, Ikeda, Masafumi, Tomita, Kengo, Hokari, Ryota, Hayasaka, Kenji, Amano, Yuji, Shioji, Kazuhiko, Hayashi, Kazunao, Terai, Shuji, Nakajima, Michiko, Yamahana, Junya, Matsumoto, Ryusuke, Kikuchi, Hideaki, Kanamori, Akira, Kiriyama, Seiki, Iwatsu, Shinichi, Kato, Yuji, Horiguchi, Shigeru, Yagi, Takahito, Okada, Hiroyuki, Ohkawa, Kazuyoshi, Hirao, Motohiro, Hiramatsu, Naoki, Oza, Noriko, Imamura, Haruo, Baba, Takeshi, Nakano, Shigeru, Shinobi, Tetsuya, Ryozawa, Shomei, Motoya, Masayo, Nakase, Hiroshi, Kinoshita, Noboru, Ito, Kei, Miyake, Tatsuya, Kohge, Naruaki, Tobita, Hiroshi, Joshita, Satoru, Umemura, Takeji, Kawaguchi, Shinya, Ohno, Kazuya, Sonobe, Koichi, Satoh, Akihiko, Shimosegawa, Tooru, Miura, Fumihiko, Yagi, Minami, Sano, Keiji, Tanaka, Atsushi, Kin, Toshifumi, Katanuma, Akio, Koike, Kazuhiko, Miura, Shin, Masamune, Atsushi, Kawashima, Youhei, Kagawa, Tatehiro, Azuma, Seishin, Watanabe, Mamoru, Honjyo, Mitsuyoshi, Itoi, Takao, Honda, Akira, Kobayashi, Katsumasa, Asano, Toru, Kamisawa, Terumi, Mizuno, Suguru, Nishino, Takayoshi, Taniguchi, Hideaki, Tajiri, Kazuto, Yasuda, Ichiro, Tanaka, Yoshiya, Oe, Shinji, Harada, Masaru, Kurata, Masanao, Fukasawa, Mituharu, Enomoto, Nobuyuki, Kawaji, Yuki, Kitano, Masayuki, Nishise, Yuko, Hirakawa, Hidetoshi, Ishizawa, Tetsuya, Ueno, Yoshiyuki, Kaino, Miyuki, Fujimoto, Yuko, Sakaida, Isao, Kubota, Kensuke, Nakazawa, Takahiro, Takikawa, Hajime, Unno, Michiaki, Kawa, Shigeyuki, Nakamura, Seiji, Okazaki, Kazuichi

Source: In Digestive and Liver Disease October 2021 53(10):1308-1314

Endoscopic ultrasonography for microvascular imaging without contrast enhancement in the differential diagnosis of pancreatic lesions.

Authors: Yamashita, Yasunobu, Yamazaki, Hirofumi, Nakahata, Akiya, Shimokawa, Toshio, Tamura, Takaaki, Kawaji, Yuki, Tamura, Takashi, Hatamaru, Keiichi, Itonaga, Masahiro, Ashida, Reiko, Kitano, Masayuki

Source: Digestive Endoscopy; Feb2025, Vol. 37 Issue 2, p192-198, 7p

Subject Terms: PANCREATIC cancer, DIFFERENTIAL diagnosis, PANCREATIC tumors, DIAGNOSIS, ENDOSCOPIC ultrasonography, MICROCIRCULATION, DIAGNOSTIC imaging

Advances in Endoscopic Ultrasonography-Based Diagnosis of Pancreatic Lesions: Narrative Review.

Authors: Yamashita, Yasunobu, Yamazaki, Hirofumi, Nakahata, Akiya, Emori, Tomoya, Kawaji, Yuki, Tamura, Takashi, Itonaga, Masahiro, Ashida, Reiko, Kitano, Masayuki

Source: Cancers; Jan2025, Vol. 17 Issue 2, p172, 16p

Subject Terms: DIFFERENTIAL diagnosis, MEDICAL technology, EARLY detection of cancer, ENDOSCOPIC ultrasonography, PANCREATIC tumors, CONTRAST media

Serum trypsin as an early predictor of post‐endoscopic retrograde cholangiopancreatography pancreatitis.

Authors: Tamura, Takashi, Ashida, Reiko, Emori, Tomoya, Itonoga, Masahiro, Yamashita, Yasunobu, Hatamaru, Keiichi, Kawaji, Yuki, Koutani, Hiromu, Maekita, Takao, Kitano, Masayuki

Source: Journal of Hepato -- Biliary -- Pancreatic Sciences; Dec2024, Vol. 31 Issue 12, p917-925, 9p

Clinical practice of acute pancreatitis in Japan: An analysis of nationwide epidemiological survey in 2016

Authors: Matsumoto, Ryotaro, Kume, Kiyoshi, Miura, Shin, Takikawa, Tetsuya, Hongo, Seiji, Tanaka, Yu, Sakai, Toshitaka, Ueno, Masayuki, Unno, Jun, Toki, Masao, Nishimura, Mamoru, Kitamura, Katsuya, Kobashigawa, Kasen, Ashida, Kiyoshi, Takahashi, Kuniyuki, Watanabe, Takashi, Sato, Yuichirou, Satoh, Akihiko, Yoshida, Naoki, Tanaka, Kei, Kondo, Hiromu, Suzuki, Noriaki, Sato, Hiroko, Mitoro, Akira, Minami, Kazuhiro, Iwasaki, Eisuke, Okuwaki, Kosuke, Mukai, Tsuyoshi, Kudo, Yasushi, Azuma, Shunjiro, Takeda, Yasuhito, Setsuda, Morimichi, Tsuchida, Kohei, Irisawa, Atsushi, Motoya, Daisuke, Shirahata, Nakao, Iwata, Keisuke, Oza, Noriko, Kawaguchi, Yasunori, Hoshino, Atsumi, Hirano, Atsuyuki, Sakakihara, Ichiro, Watanabe, Noriko, Funayama, Hiroyuki, Nakamura, Yuji, Yamamoto, Tatuo, Uchida, H.Hiroshi, Iizawa, Yusuke, Imamura, Mahiro, Sekine, Masanari, Inui, Kazuo, Yamamoto, Satoshi, Sato, Syuichi, Ishii, Shuji, Yakushijin, Takayuki, Yamamoto, Katsutoshi, Masaka, Tomohiro, Yoshida, Motoyuki, Arizumi, Toshihiko, Goto, Manabu, Takenaka, Mamoru, Miyakawa, Hiroyuki, Otsuka, Yuichiro, Nishi, Masaaki, Suwa, Kanetoshi, Sakagami, Junichi, Satoh, Masahiro, Koga, Hideaki, Takagi, Tadayuki, Nagahama, Masatsugu, Hatayama, Katsuko, Kaneko, Naoya, Mori, Masafumi, Nakai, Yousuke, Iwashita, Yuji, Iwatsuka, Kunio, Hayashi, Kazunao, Terai, Shuji, Kaneto, Hiroyuki, Nishikawa, Takao, Uchi, Midori, Honjo, Mitsuyoshi, Takagi, Tomofumi, Mizukami, Kazuhiro, Tamura, Tetsuo, Gushima, Toshifumi, Sato, Ai, Shimizu, Kyoko, Aruga, Yukio, Nonogaki, Kouji, Kaino, Miyuki, Iwashita, Takuji, Tsuruoka, Mio, Miura, Masato, Hasegawa, Hirofumi, Takai, Tetsunari, Yokota, Hiroyuki, Fujisawa, Toshio, Uetsuki, Kota, Kobayashi, Takashi, yamaji, Naohisa, Itoi, Takao, Muraki, Takashi, Watanabe, Takayuki, Inatomi, Osamu, Ushijima, Tomoyuki, Takehara, Yusuke, Kawamura, Hiroshi, Fukasawa, Mitsuharu, Hagiwara, Hideki, Tamura, Hiroyuki, Moriya, Takashi, Kuwatani, Masaki, Kawaji, Yuki, Kamisawa, Terumi, Abue, Makoto, Fukunishi, Masanori, Onoyama, Hirohiko, Mochizuki, Satoshi, Sumimoto, Kimi, Koyabu, Masanori, Nishio, Akiyoshi, Sakao, Masayuki, Imamura, Yoshiki, Ohta, Hajime, Nishimura, Naruo, Shiihara, Masahiro, Anan, Hideaki, Motoya, Masayo, Chiba, Mitsuru, Deguchi, Tomohiro, Kofunato, Yasuhide, Sawada, Naoya, Katada, Kazuhiro, Matsumoto, Shimpei, Higashide, Syunichi, Okano, Hiroyuki, Ishida, Masaharu, Yamazaki, Masato, Tamura, Naoshi, Muraoka, Takeshi, Uza, Norimitsu, Kodama, Yuzo, Muro, Shinichiro, Fujimori, Nao, Ikeda, Takaaki, Shimokawahara, Naoto, Otsu, Naoya, Yano, Yoichi, Sugawara, Shuichiro, Takaura, Kenta, Ogura, Yasuhiro, Furuuchi, Takayuki, Shibasaki, Masayuki, Kishimoto, Masanobu, Masamune, Atsushi, Kikuta, Kazuhiro, Hamada, Shin, Tsuji, Ichiro, Takeyama, Yoshifumi, Shimosegawa, Tooru, Okazaki, Kazuichi

Source: In Pancreatology June 2020 20(4):629-636

Endoscopic ultrasound-guided hepaticogastrostomy vs. antegrade metal stent placement keeping an access route in patients with malignant biliary obstruction.

Authors: Itonaga, Masahiro, Ashida, Reiko, Hatamaru, Keiichi, Yamashita, Yasunobu, Kawaji, Yuki, Tamura, Takashi, Emori, Tomoya, Shishimoto, Takahiro, Koutani, Hiromu, Tamura, Takaaki, Nakahata, Akiya, Yamazaki, Hirofumi, Kitano, Masayuki

Source: International Journal of Clinical Oncology; Oct2024, Vol. 29 Issue 10, p1500-1508, 9p

Subject Terms: PROPORTIONAL hazards models, OVERALL survival, ENDOSCOPIC retrograde cholangiopancreatography

Usefulness of Contrast-Enhanced Harmonic Endoscopic Ultrasonography for Diagnosis of Malignancy in Intraductal Papillary Mucinous Neoplasm.

Authors: Yamashita, Yasunobu¹ (AUTHOR) yasunobu@wakayama-med.ac.jp, Kawaji, Yuki¹ (AUTHOR), Shimokawa, Toshio² (AUTHOR), Yamazaki, Hirofumi¹ (AUTHOR), Tamura, Takashi¹ (AUTHOR), Hatamaru, Keiichi¹ (AUTHOR), Itonaga, Masahiro¹ (AUTHOR), Ashida, Reiko¹ (AUTHOR), Kawai, Manabu³ (AUTHOR), Kitano, Masayuki¹ (AUTHOR)

Source: Diagnostics (2075-4418). Sep2022, Vol. 12 Issue 9, pN.PAG-N.PAG. 13p.

Subject Terms: *ENDOSCOPIC ultrasonography, *PANCREATIC cysts, *DIAGNOSIS, *TUMORS, *COMPUTED tomography, *SURGICAL excision

Utility of a partially covered metal stent for salvage sealing therapy for bleeding caused by duodenal invasion of pancreatobiliary cancers: Case series.

Authors: Yamashita, Yasunobu, Yamazaki, Hirofumi, Kawaji, Yuki, Tamura, Takashi, Hatamaru, Keiichi, Itonaga, Masahiro, Ashida, Reiko, Kitano, Masayuki

Source: Den Open; Apr2024, Vol. 4 Issue 1, p1-6, 6p

Safety of skipping the tract dilation step for EUS-guided biliary drainage in patients with unresectable malignant biliary obstruction (with video).

Authors: Itonaga, Masahiro, Ashida, Reiko, Emori, Tomoya, Hatamaru, Keiichi, Yamashita, Yasunobu, Kawaji, Yuki, Tamura, Takashi, Tuda, Ikuhisa, Tamura, Takaaki, Koutani, Hiromu, Yamazaki, Hirofumi, Shimokawa, Toshio, Kitano, Masayuki

Source: Surgical Endoscopy & Other Interventional Techniques; Apr2024, Vol. 38 Issue 4, p2288-2296, 9p

Subject Terms: PATIENT safety, FISHER exact test, ENDOSCOPIC ultrasonography, SURGICAL stents, RETROSPECTIVE studies, MANN Whitney U Test, DESCRIPTIVE statistics, LONGITUDINAL method, KAPLAN-Meier estimator, MEDICAL drainage, HEALTH outcome assessment, COMPARATIVE studies, CHOLESTASIS

Impact of sarcopenia on recurrent biliary obstruction after EUS-guided biliary drainage in patients with malignant biliary obstruction.

Authors: Emori, Tomoya, Itonaga, Masahiro, Ashida, Reiko, Tamura, Takashi, Kawaji, Yuki, Hatamaru, Keiichi, Yamashita, Yasunobu, Fukatsu, Kazuhiro, Shimokawa, Toshio, Koike, Masataka, Sonomura, Tetsuo, Kawai, Manabu, Kitano, Masayuki

Source: International Journal of Clinical Oncology; Mar2024, Vol. 29 Issue 3, p286-296, 11p

Novel Technique of Endoscopic Ultrasonography for the Differential Diagnosis of Gallbladder Lesions and Intraductal Papillary Mucinous Neoplasms: A Single-Center Prospective Study.

Authors: Yamashita, Yasunobu, Ashida, Reiko, Tamura, Takaaki, Shimokawa, Toshio, Yamazaki, Hirofumi, Kawaji, Yuki, Tamura, Takashi, Hatamaru, Keiichi, Itonaga, Masahiro, Kitano, Masayuki

Source: Diagnostics (2075-4418); Jul2023, Vol. 13 Issue 13, p2132, 11p

Subject Terms: ENDOSCOPIC ultrasonography, GALLBLADDER, DIFFERENTIAL diagnosis, PANCREATIC cysts, GALLBLADDER cancer, LONGITUDINAL method, CONTRAST media

Su1174 EVALUATION OF COMPUTED TOMOGRAPHY FINDINGS ON PANCREAS WITH HIGH RISK OF PANCREATIC CANCER DEVELOPMENT

Authors: Kawaji, Yuki, Yamao, Kentaro, Takenaka, Mamoru, Ashida, Reiko, Tamura, Takashi, Yamashita, Yasunobu, Itonaga, Masahiro, Omoto, Shunsuke, Kitano, Masayuki

Source: In Gastroenterology 18-21 May 2024 166(5) Supplement:S

Comparison of 22G Fork-Tip and Franseen Needles and Usefulness of Contrast-Enhanced Endoscopic Ultrasound for Diagnosis of Upper Gastrointestinal Subepithelial Lesions.

Authors: Yamashita, Yasunobu, Ashida, Reiko, Yamazaki, Hirofumi, Kawaji, Yuki, Shimokawa, Toshio, Tamura, Takashi, Hatamaru, Keiichi, Itonaga, Masahiro, Kitano, Masayuki

Source: Diagnostics (2075-4418); Dec2022, Vol. 12 Issue 12, p3122, 10p

Subject Terms: ENDOSCOPIC ultrasonography, CONTRAST-enhanced ultrasound, NEEDLES & pins, NEEDLESTICK injuries, GASTROINTESTINAL stromal tumors