Daisuke Okamoto

2.0k total citations
79 papers, 1.6k citations indexed

About

Daisuke Okamoto is a scholar working on Hepatology, Surgery and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Daisuke Okamoto has authored 79 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Hepatology, 30 papers in Surgery and 27 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Daisuke Okamoto's work include Hepatocellular Carcinoma Treatment and Prognosis (29 papers), MRI in cancer diagnosis (26 papers) and Liver Disease Diagnosis and Treatment (20 papers). Daisuke Okamoto is often cited by papers focused on Hepatocellular Carcinoma Treatment and Prognosis (29 papers), MRI in cancer diagnosis (26 papers) and Liver Disease Diagnosis and Treatment (20 papers). Daisuke Okamoto collaborates with scholars based in Japan, Germany and Canada. Daisuke Okamoto's co-authors include Akihiro Nishie, Hiroshi Honda, Kousei Ishigami, Yoshiki Asayama, Yasuhiro Ushijima, Nobuhiro Fujita, Yukihisa Takayama, Tsuyoshi Tajima, Kengo Yoshimitsu and Akinobu Taketomi and has published in prestigious journals such as SHILAP Revista de lepidopterología, Radiology and World Journal of Gastroenterology.

In The Last Decade

Daisuke Okamoto

75 papers receiving 1.5k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Daisuke Okamoto Japan 20 631 615 465 369 224 79 1.6k
Yukihisa Takayama Japan 21 504 0.8× 673 1.1× 394 0.8× 350 0.9× 201 0.9× 86 1.6k
Yasuhiro Ushijima Japan 27 659 1.0× 628 1.0× 594 1.3× 694 1.9× 331 1.5× 109 2.1k
Hong Ding China 27 866 1.4× 495 0.8× 753 1.6× 584 1.6× 331 1.5× 155 2.2k
Nobuhiro Fujita Japan 29 797 1.3× 820 1.3× 571 1.2× 771 2.1× 591 2.6× 154 2.8k
Tianan Jiang China 26 548 0.9× 801 1.3× 624 1.3× 467 1.3× 371 1.7× 166 3.0k
Jinhua Huang China 19 428 0.7× 265 0.4× 189 0.4× 260 0.7× 339 1.5× 90 1.4k
Won Chang South Korea 19 225 0.4× 742 1.2× 235 0.5× 138 0.4× 158 0.7× 61 1.3k
Young‐Sun Kim South Korea 20 483 0.8× 220 0.4× 363 0.8× 401 1.1× 139 0.6× 114 1.4k
Stefan M. Niehues Germany 22 502 0.8× 695 1.1× 386 0.8× 493 1.3× 255 1.1× 102 2.1k
Luyao Zhou China 23 149 0.2× 180 0.3× 217 0.5× 574 1.6× 394 1.8× 99 1.3k

Countries citing papers authored by Daisuke Okamoto

Since Specialization
Citations

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

Fields of papers citing papers by Daisuke Okamoto

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Daisuke Okamoto

This figure shows the co-authorship network connecting the top 25 collaborators of Daisuke Okamoto. A scholar is included among the top collaborators of Daisuke Okamoto 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 Daisuke Okamoto. Daisuke Okamoto 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.
Inoue, Jun, et al.. (2024). Acute Liver Injury and Bilateral Pulmonary Artery Thrombosis Due to Hypereosinophilic Syndrome. Internal Medicine. 63(17). 2415–2420.
2.
Fujita, Nobuhiro, et al.. (2024). Value of gadoxetic acid-enhanced MR imaging for preoperative prediction of future liver regeneration after hemihepatectomy. Japanese Journal of Radiology. 42(12). 1439–1447.
3.
Ushijima, Yasuhiro, et al.. (2024). Effect of lipiodol marking before CT-guided cryoablation on the outcome of sporadic renal cell carcinoma. Diagnostic and Interventional Radiology. 30(2). 117–123. 1 indexed citations
4.
Fujita, Nobuhiro, Yasuhiro Ushijima, Daisuke Okamoto, et al.. (2024). Multiparametric assessment of microvascular invasion in hepatocellular carcinoma using gadoxetic acid-enhanced MRI. Abdominal Radiology. 49(5). 1467–1478. 4 indexed citations
5.
6.
Fujita, Nobuhiro, Yasuhiro Ushijima, Daisuke Okamoto, et al.. (2023). Extracellular volume fraction determined by dual-layer spectral detector CT: Possible role in predicting the efficacy of preoperative neoadjuvant chemotherapy in pancreatic ductal adenocarcinoma. European Journal of Radiology. 162. 110756–110756. 21 indexed citations
7.
Tomino, Takahiro, Shinji Itoh, Daisuke Okamoto, et al.. (2023). Impact of portal‐phase signal intensity of dynamic gadoxetic acid‐enhanced magnetic resonance imaging in hepatocellular carcinoma. Journal of Hepato-Biliary-Pancreatic Sciences. 30(9). 1089–1097. 4 indexed citations
8.
Moroi, Rintaro, Daisuke Okamoto, Masatake Kuroha, et al.. (2021). Analysis of the Long-Term Prognosis in Japanese Patients with Ulcerative Colitis Treated with New Therapeutic Agents and the Correlation between Prognosis and Disease Susceptibility Loci. Inflammatory Intestinal Diseases. 6(3). 154–164. 1 indexed citations
9.
Kakuta, Yoichi, Takeo Naito, Kazuhiro Watanabe, et al.. (2020). Repertoire analysis of memory T‐cell receptors in Japanese patients with inflammatory bowel disease. JGH Open. 4(4). 624–631. 7 indexed citations
10.
Kakuta, Yoichi, Daisuke Okamoto, Ryo Ichikawa, et al.. (2019). High-resolution melt analysis enables simple genotyping of complicated polymorphisms of codon 18 rendering the NUDT15 diplotype. Journal of Gastroenterology. 55(1). 67–77. 7 indexed citations
11.
12.
Nishie, Akihiro, Yukihisa Takayama, Yoshiki Asayama, et al.. (2018). Amide proton transfer imaging can predict tumor grade in rectal cancer. Magnetic Resonance Imaging. 51. 96–103. 39 indexed citations
13.
Asayama, Yoshiki, Akihiro Nishie, Kousei Ishigami, et al.. (2018). A case of pseudoglandular hepatocellular carcinoma: The usefulness of a multimodal approach. Radiology Case Reports. 13(3). 689–692. 1 indexed citations
14.
Momosaka, Daichi, Yasuhiro Ushijima, Akihiro Nishie, et al.. (2016). A Retroperitoneal Isolated Enteric Duplication Cyst Mimicking a Teratoma: A Case Report and Literature Review. SHILAP Revista de lepidopterología. 2016. 1–5. 3 indexed citations
15.
Asayama, Yoshiki, Akihiro Nishie, Kousei Ishigami, et al.. (2016). Fatty change in moderately and poorly differentiated hepatocellular carcinoma on MRI: a possible mechanism related to decreased arterial flow. Clinical Radiology. 71(12). 1277–1283. 18 indexed citations
16.
Yoshimitsu, Kengo, Yunosuke Nishihara, Daisuke Okamoto, et al.. (2012). Magnetic resonance differentiation between T2 and T1 gallbladder carcinoma: significance of subserosal enhancement on the delayed phase dynamic study. Magnetic Resonance Imaging. 30(6). 854–859. 12 indexed citations
17.
Okamoto, Daisuke, Kengo Yoshimitsu, Akihiro Nishie, et al.. (2011). Enhancement pattern analysis of hypervascular hepatocellular carcinoma on dynamic MR imaging with histopathological correlation: Validity of portal phase imaging for predicting tumor grade. European Journal of Radiology. 81(6). 1116–1121. 37 indexed citations
18.
Ishigami, Kousei, Kengo Yoshimitsu, Hiroyuki Irié, et al.. (2008). Lesions Arising in or Involving the Iliopsoas Groove. Journal of Computer Assisted Tomography. 32(6). 975–981. 3 indexed citations
19.
Nishie, Akihiro, Kengo Yoshimitsu, Hiroyuki Irié, et al.. (2008). Radiological detectability of minute hepatic venous invasion in hepatocellular carcinoma. European Journal of Radiology. 70(3). 517–524. 17 indexed citations
20.
Okamoto, Daisuke, et al.. (2005). Exophytic colon cancer mimicking an ovarian tumor: the value of evaluation of the venous anatomy on MDCT. 29(4). 1–4. 3 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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