Katsuhiko Uesaka

13.4k total citations · 1 hit paper
384 papers, 8.5k citations indexed

About

Katsuhiko Uesaka is a scholar working on Surgery, Oncology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Katsuhiko Uesaka has authored 384 papers receiving a total of 8.5k indexed citations (citations by other indexed papers that have themselves been cited), including 269 papers in Surgery, 218 papers in Oncology and 167 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Katsuhiko Uesaka's work include Pancreatic and Hepatic Oncology Research (168 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (149 papers) and Gallbladder and Bile Duct Disorders (91 papers). Katsuhiko Uesaka is often cited by papers focused on Pancreatic and Hepatic Oncology Research (168 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (149 papers) and Gallbladder and Bile Duct Disorders (91 papers). Katsuhiko Uesaka collaborates with scholars based in Japan, United States and France. Katsuhiko Uesaka's co-authors include Masato Nagino, Yuji Nimura, Yukiyasu Okamura, Teiichi Sugiura, Naokazu Hayakawa, Junichi Kamiya, Ryo Ashida, Tsuyoshi Sano, Takaaki Ito and Hideo Yamamoto and has published in prestigious journals such as The Lancet, Journal of Clinical Oncology and SHILAP Revista de lepidopterología.

In The Last Decade

Katsuhiko Uesaka

351 papers receiving 8.3k citations

Hit Papers

Adjuvant chemotherapy of S-1 versus gemcitabine for resec... 2016 2026 2019 2022 2016 200 400 600
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.

  1. 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 Katsuhiko Uesaka, Yukiyasu Okamura et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Katsuhiko Uesaka Japan 44 5.8k 5.0k 4.0k 1.6k 1.5k 384 8.5k
Brian K. P. Goh Singapore 50 4.1k 0.7× 3.4k 0.7× 2.4k 0.6× 1.9k 1.2× 1.5k 1.0× 310 7.5k
Alyssa M. Krasinskas United States 45 2.9k 0.5× 2.6k 0.5× 1.7k 0.4× 548 0.3× 1.8k 1.2× 170 6.3k
Simon R. Bramhall United Kingdom 36 2.7k 0.5× 2.7k 0.6× 1.3k 0.3× 1.2k 0.8× 883 0.6× 126 5.1k
Jean Saric France 36 3.3k 0.6× 3.3k 0.7× 1.1k 0.3× 2.8k 1.7× 1.4k 0.9× 102 6.9k
Chang Moo Kang South Korea 35 3.4k 0.6× 3.8k 0.8× 2.1k 0.5× 545 0.3× 1.1k 0.7× 345 5.4k
Werner Hohenberger Germany 38 3.4k 0.6× 4.9k 1.0× 2.1k 0.5× 410 0.3× 435 0.3× 179 6.6k
Eric C. H. Lai China 40 3.2k 0.6× 1.6k 0.3× 1.8k 0.5× 3.4k 2.1× 1.7k 1.1× 134 6.1k
Yoshihiro Moriya Japan 49 5.5k 1.0× 6.8k 1.4× 2.0k 0.5× 508 0.3× 298 0.2× 192 8.5k
John F. Gibbs United States 39 1.9k 0.3× 2.1k 0.4× 1.6k 0.4× 521 0.3× 829 0.5× 150 4.7k
Yun Shin Chun United States 41 2.7k 0.5× 3.7k 0.7× 1.5k 0.4× 3.4k 2.1× 1.0k 0.7× 186 6.1k

Countries citing papers authored by Katsuhiko Uesaka

Since Specialization
Citations

This map shows the geographic impact of Katsuhiko Uesaka'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 Katsuhiko Uesaka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Katsuhiko Uesaka more than expected).

Fields of papers citing papers by Katsuhiko Uesaka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Katsuhiko Uesaka. 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 Katsuhiko Uesaka. The network helps show where Katsuhiko Uesaka may publish in the future.

Co-authorship network of co-authors of Katsuhiko Uesaka

This figure shows the co-authorship network connecting the top 25 collaborators of Katsuhiko Uesaka. A scholar is included among the top collaborators of Katsuhiko Uesaka 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 Katsuhiko Uesaka. Katsuhiko Uesaka is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Kato, Yoshiyasu, Ryo Ashida, Katsuhisa Ohgi, et al.. (2025). Efficacy of Neoadjuvant Therapy for Resectable Pancreatic Cancer Might be Limited to Biologically Borderline Resectable Cases. Pancreas. 54(7). e630–e636.
2.
Otsuka, Shimpei, Ryo Ashida, Katsuhisa Ohgi, et al.. (2025). Prognostic Impact of Diabetes Mellitus and Extended Hepatectomy on Perihilar Cholangiocarcinoma. Annals of Surgery Open. 6(1). e552–e552. 1 indexed citations
3.
Nakachi, Kohei, Masafumi Ikeda, Masaru Konishi, et al.. (2024). Adjuvant S-1 vs. observation for resected biliary tract cancer: 5-year follow-up of the JCOG1202/ASCOT.. Journal of Clinical Oncology. 42(16_suppl). 4119–4119. 1 indexed citations
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Imamura, Taisuke, Ryo Ashida, Kenichi Urakami, et al.. (2024). Comprehensive sequencing of circulating tumour DNA in resectable pancreatic cancer. British journal of surgery. 111(3). 1 indexed citations
6.
Otsuka, Shimpei, Teiichi Sugiura, Ryo Ashida, et al.. (2024). Subdivision of pT1N0 (American Joint Committee on Cancer 8th edition) distal cholangiocarcinoma for adjuvant chemotherapy consideration. Journal of Hepato-Biliary-Pancreatic Sciences. 31(8). 559–568.
7.
Ohgi, Katsuhisa, Ryo Ashida, Mihoko Yamada, et al.. (2023). Efficacy of lymph node dissection for duodenal cancer according to the lymph node station. Annals of Gastroenterological Surgery. 8(1). 51–59. 3 indexed citations
8.
Ohgi, Katsuhisa, Teiichi Sugiura, Yukiyasu Okamura, et al.. (2023). Long-term adjuvant chemotherapy after resection for pancreatic cancer patients with positive peritoneal lavage cytology. Langenbeck s Archives of Surgery. 408(1). 165–165. 5 indexed citations
9.
Ashida, Ryo, Teiichi Sugiura, Katsuhisa Ohgi, et al.. (2023). Secondary Budd-Chiari syndrome occurred after adjuvant radiotherapy for perihilar cholangiocarcinoma: a case report. World Journal of Surgical Oncology. 21(1). 9–9. 1 indexed citations
10.
Ashida, Ryo, Yusuke Yamamoto, Takeshi Aramaki, et al.. (2022). Preoperative skeletal muscle fat infiltration is a strong predictor of poorer survival in gallbladder cancer underwent surgery. Clinical Nutrition ESPEN. 52. 60–67. 5 indexed citations
11.
Sugiura, Teiichi, Ryo Ashida, Katsuhisa Ohgi, et al.. (2022). Preoperative risk factors for early recurrence after resection of perihilar cholangiocarcinoma. BJS Open. 6(5). 2 indexed citations
12.
Ohgi, Katsuhisa, Teiichi Sugiura, Yukiyasu Okamura, et al.. (2021). Changes in the body composition and nutritional status after total pancreatectomy. Langenbeck s Archives of Surgery. 406(6). 1909–1916. 2 indexed citations
13.
Ito, Takaaki, Teiichi Sugiura, Yukiyasu Okamura, et al.. (2019). The Safety and Survival Outcome of Hepatectomy with Combined Bile Duct Resection for Colorectal Liver Metastasis. World Journal of Surgery. 44(4). 1231–1243.
14.
Matsubara, Takashi, Kazuto Kozaka, Osamu Matsui, et al.. (2019). Peribiliary glands: development, dysfunction, related conditions and imaging findings. Abdominal Radiology. 45(2). 416–436. 19 indexed citations
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Ito, Takaaki, Teiichi Sugiura, Yukiyasu Okamura, et al.. (2017). The diagnostic advantage of EOB-MR imaging over CT in the detection of liver metastasis in patients with potentially resectable pancreatic cancer. Pancreatology. 17(3). 451–456. 37 indexed citations
18.
Türkoğlu, Mehmet Akif, Yusuke Yamamoto, Teiichi Sugiura, et al.. (2016). The favorable prognosis after operative resection of hypervascular intrahepatic cholangiocarcinoma: A clinicopathologic and immunohistochemical study. Surgery. 160(3). 683–690. 26 indexed citations
19.
Sawada, Yu, Toshiaki Yoshikawa, Daisuke Nobuoka, et al.. (2012). Phase I Trial of a Glypican-3–Derived Peptide Vaccine for Advanced Hepatocellular Carcinoma: Immunologic Evidence and Potential for Improving Overall Survival. Clinical Cancer Research. 18(13). 3686–3696. 251 indexed citations
20.
Arai, Toshiyuki, Yasunobu Yoshikai, Junichi Kamiya, et al.. (2001). Bilirubin Impairs Bactericidal Activity of Neutrophils through an Antioxidant Mechanism in Vitro. Journal of Surgical Research. 96(1). 107–113. 46 indexed citations

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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