Tsuyoshi Hamada

10.3k total citations · 1 hit paper
196 papers, 4.3k citations indexed

About

Tsuyoshi Hamada is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Oncology. According to data from OpenAlex, Tsuyoshi Hamada has authored 196 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 145 papers in Surgery, 120 papers in Pulmonary and Respiratory Medicine and 120 papers in Oncology. Recurrent topics in Tsuyoshi Hamada's work include Pancreatic and Hepatic Oncology Research (103 papers), Gallbladder and Bile Duct Disorders (101 papers) and Pediatric Hepatobiliary Diseases and Treatments (56 papers). Tsuyoshi Hamada is often cited by papers focused on Pancreatic and Hepatic Oncology Research (103 papers), Gallbladder and Bile Duct Disorders (101 papers) and Pediatric Hepatobiliary Diseases and Treatments (56 papers). Tsuyoshi Hamada collaborates with scholars based in Japan, United States and China. Tsuyoshi Hamada's co-authors include Yousuke Nakai, Kazuhiko Koike, Hiroyuki Isayama, Hirofumi Kogure, Shuji Ogino, Minoru Tada, Naminatsu Takahara, Natsuyo Yamamoto, Suguru Mizuno and Reiko Nishihara and has published in prestigious journals such as Journal of Clinical Oncology, SHILAP Revista de lepidopterología and Gastroenterology.

In The Last Decade

Tsuyoshi Hamada

185 papers receiving 4.2k 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.

Rising incidence of early-onset colorectal cancer — a call to action

2020 419 citations Tsuyoshi Hamada, Marios Giannakis et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Tsuyoshi Hamada Japan	35	2.6k	2.4k	2.3k	625	441	196	4.3k
Masaji Tani Japan	37	2.9k 1.1×	3.3k 1.4×	2.1k 0.9×	531 0.8×	349 0.8×	273	5.1k
Chun‐Nan Yeh Taiwan	41	2.7k 1.0×	1.7k 0.7×	2.2k 0.9×	880 1.4×	601 1.4×	280	5.5k
Manon C.W. Spaander Netherlands	44	3.7k 1.4×	2.7k 1.1×	3.6k 1.6×	528 0.8×	386 0.9×	291	6.6k
Ta‐Sen Yeh Taiwan	39	2.6k 1.0×	1.9k 0.8×	2.1k 0.9×	1.2k 1.9×	717 1.6×	242	5.3k
Suguru Hasegawa Japan	34	1.8k 0.7×	2.3k 1.0×	962 0.4×	850 1.4×	423 1.0×	194	4.2k
Kazuhisa Uchiyama Japan	40	3.2k 1.2×	2.6k 1.1×	2.6k 1.2×	798 1.3×	752 1.7×	307	5.9k
Georg Lurje Germany	37	1.7k 0.6×	2.0k 0.8×	1.1k 0.5×	1.2k 2.0×	692 1.6×	162	4.7k
Michele Ghidini Italy	35	1.2k 0.5×	2.9k 1.2×	1.7k 0.7×	1.1k 1.7×	943 2.1×	176	4.8k
Keun Won Ryu South Korea	48	3.2k 1.2×	1.5k 0.6×	6.0k 2.6×	715 1.1×	460 1.0×	259	7.7k
Wasaburo Koizumi Japan	43	3.4k 1.3×	3.6k 1.5×	5.6k 2.5×	873 1.4×	365 0.8×	340	8.5k

Countries citing papers authored by Tsuyoshi Hamada

Since Specialization

Citations

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

Fields of papers citing papers by Tsuyoshi Hamada

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Tsuyoshi Hamada

This figure shows the co-authorship network connecting the top 25 collaborators of Tsuyoshi Hamada. A scholar is included among the top collaborators of Tsuyoshi Hamada 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 Tsuyoshi Hamada. Tsuyoshi Hamada 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

Hamada, Tsuyoshi, et al.. (2025). Intraductal Papillary Mucinous Neoplasm and Pancreatic Cancer: Opportunity Knocks Twice. The American Journal of Gastroenterology. 121(2). 312–321.

Hamada, Tsuyoshi, Nobuaki Michihata, Tomotaka Saito, et al.. (2025). Real-world impact of implementing lumen-apposing metal stents for pancreatic fluid collections: a nationwide Japanese study. Gut. 75(3). 521–529.

Hamada, Tsuyoshi, Hiroki Oyama, Ataru Igarashi, et al.. (2024). Optimal age to discontinue long-term surveillance of intraductal papillary mucinous neoplasms: comparative cost-effectiveness of surveillance by age. Gut. 73(6). 955–965. 8 indexed citations

Oyama, Hiroki, Yoshikuni Kawaguchi, Ryunosuke Hakuta, et al.. (2024). Older Age as a Worrisome Feature in Patients With Intraductal Papillary Mucinous Neoplasms: A Long-Term Surveillance Study. The American Journal of Gastroenterology. 120(2). 449–458. 3 indexed citations

Takahara, Naminatsu, Yousuke Nakai, Tatsuya Sato, et al.. (2024). Successful endoscopic removal of a retained guidewire in the intrahepatic bile duct using a novel tapered sheath dilator. VideoGIE. 9(8). 373–375.

Nakai, Yousuke, Tsuyoshi Hamada, Hideyuki Shiomi, et al.. (2023). Time to think prime times for treatment of necrotizing pancreatitis: Pendulum conundrum. Digestive Endoscopy. 35(6). 700–710. 6 indexed citations

Yamada, Manabu, Tsuyoshi Takeda, Takashi Sasaki, et al.. (2023). Outcomes of Intraductal Placement of Covered Metal Stents for Unresectable Distal Malignant Biliary Obstruction. Journal of Clinical Medicine. 12(5). 2001–2001. 1 indexed citations

Hakuta, Ryunosuke, Yousuke Nakai, Tsuyoshi Hamada, et al.. (2023). Development and external validation of a nomogram for prediction of post-endoscopic retrograde cholangiopancreatography pancreatitis. Pancreatology. 23(7). 789–796. 6 indexed citations

Iwashita, Takuji, Tatsuya Sato, Ichiro Yasuda, et al.. (2023). Risk of recurrence with or without plastic stent after EUS-guided treatment of peripancreatic fluid collections: A systematic review and meta-analysis. SHILAP Revista de lepidopterología. 12(2). E188–E198. 3 indexed citations

10.

Mie, Takafumi, Takashi Sasaki, Tsuyoshi Takeda, et al.. (2023). Treatment Outcomes and Prognostic Factors of Gemcitabine Plus Nab-Paclitaxel as Second-Line Chemotherapy after Modified FOLFIRINOX in Unresectable Pancreatic Cancer. Cancers. 15(2). 358–358. 5 indexed citations

11.

Watanabe, Takeo, Yousuke Nakai, Suguru Mizuno, et al.. (2021). Prognosis of primary sclerosing cholangitis according to age of onset. Journal of Hepato-Biliary-Pancreatic Sciences. 28(12). 1115–1120. 2 indexed citations

12.

Ishigaki, Kazunaga, Yousuke Nakai, Yukari Suzuki, et al.. (2021). Intra‐abdominal hemorrhage as a rare complication of endoscopic ultrasonography: A case report. SHILAP Revista de lepidopterología. 2(1). e80–e80.

13.

Ishigaki, Kazunaga, Yousuke Nakai, Hiroki Oyama, et al.. (2020). Endoscopic Ultrasound-Guided Tissue Acquisition by 22-Gauge Franseen and Standard Needles for Solid Pancreatic Lesions. Gut and Liver. 14(6). 817–825. 20 indexed citations

14.

Saito, Kei, Hiroyuki Isayama, Yousuke Nakai, et al.. (2018). A phase II trial of gemcitabine, S-1 and LV combination (GSL) therapy in patients with advanced pancreatic cancer. Investigational New Drugs. 37(2). 338–344. 5 indexed citations

15.

Mehta, Raaj S., Mingyang Song, Reiko Nishihara, et al.. (2017). Dietary Patterns and Risk of Colorectal Cancer: Analysis by Tumor Location and Molecular Subtypes. Gastroenterology. 152(8). 1944–1953.e1. 132 indexed citations

16.

Ogino, Shuji, Iny Jhun, Douglas A. Mata, et al.. (2017). Integration of pharmacology, molecular pathology, and population data science to support precision gastrointestinal oncology. npj Precision Oncology. 1(1). 9 indexed citations

17.

Dou, Ruoxu, Reiko Nishihara, Yin Cao, et al.. (2016). MicroRNA let-7 , T Cells, and Patient Survival in Colorectal Cancer. Cancer Immunology Research. 4(11). 927–935. 43 indexed citations

18.

Nakai, Yousuke, Hiroyuki Isayama, Takeshi Tsujino, et al.. (2015). Cholecystectomy after endoscopic papillary balloon dilation for bile duct stones reduced late biliary complications: a propensity score-based cohort analysis. Surgical Endoscopy. 30(7). 3014–3020. 10 indexed citations

19.

Hamada, Tsuyoshi, Hideo Yasunaga, Yousuke Nakai, et al.. (2014). Severe Bleeding after Percutaneous Transhepatic Drainage of the Biliary System: Effect of Antithrombotic Agents—Analysis of 34 606 Cases from a Japanese Nationwide Administrative Database. Radiology. 274(2). 605–613. 28 indexed citations

20.

Uchino, Rie, Naoki Sasahira, Hiroyuki Isayama, et al.. (2013). Detection of painless pancreatitis by computed tomography in patients with post-endoscopic retrograde cholangiopancreatography hyperamylasemia. Pancreatology. 14(1). 17–20. 10 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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