Ippei Matsumoto

7.4k total citations · 2 hit papers
182 papers, 4.3k citations indexed

About

Ippei Matsumoto is a scholar working on Surgery, Oncology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Ippei Matsumoto has authored 182 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 129 papers in Surgery, 118 papers in Oncology and 61 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Ippei Matsumoto's work include Pancreatic and Hepatic Oncology Research (110 papers), Pancreatitis Pathology and Treatment (65 papers) and Gallbladder and Bile Duct Disorders (32 papers). Ippei Matsumoto is often cited by papers focused on Pancreatic and Hepatic Oncology Research (110 papers), Pancreatitis Pathology and Treatment (65 papers) and Gallbladder and Bile Duct Disorders (32 papers). Ippei Matsumoto collaborates with scholars based in Japan, United States and Australia. Ippei Matsumoto's co-authors include Takumi Fukumoto, Tetsuo Ajiki, Bernhard J. Hering, Makoto Shinzeki, Sohei Satoi, Masayuki Sho, Toshiya Sawada, Yonson Ku, Fuyuhiko Motoi and Michiaki Unno and has published in prestigious journals such as The Lancet, Journal of Clinical Oncology and SHILAP Revista de lepidopterología.

In The Last Decade

Ippei Matsumoto

167 papers receiving 4.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Adjuvant chemotherapy of S-1 versus gemcitabine for resected pancreatic cancer: a phase 3, open-label, randomised, non-inferiority trial (JASPAC 01)

2016 742 citations Akira Fukutomi, Ippei Matsumoto et al. profile →
Randomized phase II/III trial of neoadjuvant chemotherapy with gemcitabine and S-1 versus upfront surgery for resectable pancreatic cancer (Prep-02/JSAP05)

2018 379 citations Fuyuhiko Motoi, Tomoo Kosuge et al. profile →

Peers

Countries citing papers authored by Ippei Matsumoto

Since Specialization

Citations

This map shows the geographic impact of Ippei Matsumoto's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ippei Matsumoto with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ippei Matsumoto more than expected).

Fields of papers citing papers by Ippei Matsumoto

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ippei Matsumoto. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ippei Matsumoto. The network helps show where Ippei Matsumoto may publish in the future.

Co-authorship network of co-authors of Ippei Matsumoto

This figure shows the co-authorship network connecting the top 25 collaborators of Ippei Matsumoto. A scholar is included among the top collaborators of Ippei Matsumoto based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ippei Matsumoto. Ippei Matsumoto is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Neoadjuvant Chemotherapy With Gemcitabine and S-1 Versus Upfront Surgery for Resectable Pancreatic Cancer 2025 ·Annals of Surgery ·Michiaki Unno, Fuyuhiko Motoi, Yutaka Matsuyama, (unknown), Hirochika Toyama, Ippei Matsumoto, Suefumi Aosasa, Hirofumi Shirakawa, Keita Wada, Tsutomu Fujii, Hideyuki Yoshitomi, Shinichiro Takahashi, Masayuki Sho, Hideki Ueno, Tomoo Kosuge	7
2	Prognosis of Hepatectomy versus Systemic Chemotherapy Based on Oncological Resectability Criteria for Borderline Resectable Hepatocellular Carcinoma 2025 ·Liver Cancer ·Shohei Komatsu, Toshifumi Tada, Takashi Nishimura, Motofumi Tanaka, Atsushi Takebe, (unknown), (unknown), (unknown), Takanori Matsuura, Ikuo Nakamura, Taro Okazaki, Masahiro Tsuda, Jun Ishida, Ippei Matsumoto, Seiko Hirono, Hirayuki Enomoto, Yuzo Kodama, Takumi Fukumoto	1
3	Cefepime-induced encephalopathy following pancreaticoduodenectomy: a case report of a rare postoperative complication in gastrointestinal surgery 2025 ·Clinical Journal of Gastroenterology ·(unknown), Keiko Kamei, (unknown), (unknown), (unknown), Yuta Yoshida, (unknown), Atsushi Takebe, Takuya Nakai, Ippei Matsumoto	0
4	Endoscopic ultrasound‐guided tissue acquisition allows a reliable proliferation assessment of small (≤20 mm) pancreatic neuroendocrine tumors 2024 ·Annals of Gastroenterological Surgery ·Yoshihide Nanno, Hirochika Toyama, Kazuyuki Nagai, (unknown), Yuichiro Uchida, Jun Ishida, Takeshi Takahara, Ippei Matsumoto, Etsuro Hatano, Takumi Fukumoto	0
5	High Incidence of Diabetes Mellitus After Distal Pancreatectomy and Its Predictors: A Long-term Follow-up Study 2023 ·The Journal of Clinical Endocrinology & Metabolism ·(unknown), (unknown), Naru Babaya, Yoshihisa Hiromine, Ippei Matsumoto, Keiko Kamei, (unknown), (unknown), (unknown), Yoshifumi Takeyama, Shinsuke Noso, Norikazu Maeda, Hiroshi Ikegami	9
6	Three-Year Observation of Glucose Metabolism After Pancreaticoduodenectomy: A Single-Center Prospective Study in Japan 2022 ·The Journal of Clinical Endocrinology & Metabolism ·(unknown), Naru Babaya, Yoshihisa Hiromine, Ippei Matsumoto, Keiko Kamei, (unknown), (unknown), Yoshifumi Takeyama, Shinsuke Noso, Hiroshi Ikegami	4
7	Glucose Metabolism After Pancreatectomy: Opposite Extremes Between Pancreaticoduodenectomy and Distal Pancreatectomy 2021 ·The Journal of Clinical Endocrinology & Metabolism ·(unknown), Naru Babaya, Yoshihisa Hiromine, Ippei Matsumoto, Keiko Kamei, Shinsuke Noso, (unknown), Yoshifumi Takeyama, Yumiko Kawabata, Hiroshi Ikegami	16
8	FOLFIRINOX for locally advanced pancreatic cancer: Results and prognostic factors of subset analysis from a nation-wide multicenter observational study in Japan 2019 ·Pancreatology ·Ippei Matsumoto, Keiko Kamei, Katsuhiro Omae, Shuhei Suzuki, (unknown), Nobumasa Mizuno, Masato Ozaka, Hideki Ueno, Satoshi Kobayashi, Kazuhiro Uesugi, (unknown), Akiko Todaka, Akira Fukutomi	25
9	Growth velocity of the portal vein tumor thrombus accelerated by its progression, alpha-fetoprotein level, and liver fibrosis stage in patients with hepatocellular carcinoma 2018 ·Surgery ·Hidetoshi Gon, Masahiro Kido, Motofumi Tanaka, (unknown), Shohei Komatsu, Daisuke Tsugawa, (unknown), Hirochika Toyama, Ippei Matsumoto, Tomoo Itoh, Takumi Fukumoto	13
10	Insulin deficiency with and without glucagon: A comparative study between total pancreatectomy and type 1 diabetes 2017 ·Journal of Diabetes Investigation ·(unknown), Yoshihisa Hiromine, Shinsuke Noso, Naru Babaya, Hiroyuki Ito, (unknown), Ippei Matsumoto, Yoshifumi Takeyama, Yumiko Kawabata, Hiroshi Ikegami	22
11	Grade B pancreatic fistulas do not affect survival after pancreatectomy for pancreatic cancer: A multicenter observational study 2016 ·Surgery ·Manabu Kawai, Yoshiaki Murakami, Fuyuhiko Motoi, Masayuki Sho, Sohei Satoi, Ippei Matsumoto, Goro Honda, Seiko Hirono, Ken‐ichi Okada, Michiaki Unno, Yoshiyuki Nakajima, Kenichiro Uemura, A‐Hon Kwon, Takumi Fukumoto, Masanao Kurata, Hiroki Yamaue	18
12	The Predictive Power of Serum α-Fetoprotein and Des-γ-Carboxy Prothrombin for Survival Varies by Tumor Size in Hepatocellular Carcinoma. 2015 ·PubMed ·Daisuke Tsugawa, Takumi Fukumoto, Masahiro Kido, Atsushi Takebe, Motofumi Tanaka, Kaori Kuramitsu, Ippei Matsumoto, Tetsuo Ajiki, Tatsuki Koyama, Yonson Ku	4
13	Repeated limited resections for pancreatic metastases from renal cell carcinoma 2014 ·Suizo ·Jun Ishida, Ippei Matsumoto, Makoto Shinzeki, Sadaki Asari, Tadahiro Goto, Masaki Tanaka, Hironori Yamashita, Taro Okazaki, Atsushi Takebe, Motofumi Tanaka, Kaori Kuramitsu, Masahiro Kido, Tetsuo Ajiki, Takumi Fukumoto, Shigeo Hara, Yonson Ku	1
14	MUC2 expression and prevalence of high-grade dysplasia and invasive carcinoma in mixed-type intraductal papillary mucinous neoplasm of the pancreas 2013 ·Pancreatology ·Atsuhiro Masuda, Yoshifumi Arisaka, Shigeo Hara, Ippei Matsumoto, Mamoru Takenaka, Arata Sakai, Hideyuki Shiomi, Nobuyuki Matsuki, Maki Sugimoto, Tsuyoshi Fujita, Takanobu Hayakumo, Yonson Ku, Shuji Ogino, Takeshi Azuma, Hiromu Kutsumi	13
15	Pancreas preservation for pancreas and islet transplantation 2011 ·Suizo ·Ippei Matsumoto, Makoto Shinzeki, Hirochika Toyama, Sadaki Asari, Tadahiro Goto, Takumi Fukumoto, Yonson Ku	0
16	Endoscopic Sphincterotomy for Lemmel Syndrome presenting with Severe Acute Pancreatitis : A Case Report 2011 ·The Japanese Journal of Gastroenterological Surgery ·Makoto Shinzeki, Yuichi Hori, Ippei Matsumoto, Sachiyo Shirakawa, (unknown), Hirochika Toyama, Tetsuo Ajiki, Takumi Fukumoto, Yonson Ku	0
17	Usefulness of performing a pancreaticojejunostomy with an internal stent after a pancreatoduodenectomy 2008 ·Surgery Today ·(unknown), Yasuhiro Fujino, Ippei Matsumoto, Makoto Shinzeki, Tetsuya Sakai, Yoshikazu Kuroda	49
18	Application of the Two-Layer Method on Pancreas Digestion Results in Improved Islet Yield and Maintained Viability of Isolated Islets 2007 ·Transplantation ·Tadahiro Goto, Yasuki Tanioka, Tetsuya Sakai, (unknown), (unknown), Shiri Li, Tomohiro Tanaka, Toshiaki Tsujimura, Ippei Matsumoto, Yasuhiro Fujino, Yasuyuki Suzuki, Yoshikazu Kuroda	22
19	Impact of gemcitabine on the survival of patients with stage IV pancreatic cancer 2007 ·Suizo ·Yasuhiro Fujino, Takashi Ueda, Takashi Kamigaki, (unknown), Tetsuo Ajiki, (unknown), Ippei Matsumoto, Takeo Yasuda, Yoshikazu Kuroda	1
20	Clinical Study of Multiple Carcinomas of the Colon and Rectum. 2001 ·The Japanese Journal of Gastroenterological Surgery ·(unknown), (unknown), Hidehiro Sawa, Ippei Matsumoto, Manabu Takamatsu, Tsuyoshi Hamaoka, (unknown), (unknown), Yoshihiro Kanbara, Norio Kohno	4

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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