Kan Koizumi

2.7k total citations · 1 hit paper
17 papers, 2.2k citations indexed

About

Kan Koizumi is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and Neurology. According to data from OpenAlex, Kan Koizumi has authored 17 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Ophthalmology, 11 papers in Radiology, Nuclear Medicine and Imaging and 5 papers in Neurology. Recurrent topics in Kan Koizumi's work include Retinal Diseases and Treatments (9 papers), Retinal and Macular Surgery (8 papers) and Vascular Malformations Diagnosis and Treatment (5 papers). Kan Koizumi is often cited by papers focused on Retinal Diseases and Treatments (9 papers), Retinal and Macular Surgery (8 papers) and Vascular Malformations Diagnosis and Treatment (5 papers). Kan Koizumi collaborates with scholars based in Japan, Germany and United States. Kan Koizumi's co-authors include Antonia M. Joussen, Vassiliki Poulaki, Bernd Kirchhof, Anthony P. Adamis, Norbert Kociok, Sascha Fauser, Christina Esser, Timothy S. Kern, Ulrich Schraermeyer and Hanna Janicki and has published in prestigious journals such as The FASEB Journal, Ophthalmology and American Journal of Ophthalmology.

In The Last Decade

Kan Koizumi

17 papers receiving 2.1k citations

Hit Papers

A central role for inflam... 2004 2026 2011 2018 2004 250 500 750
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. A central role for inflammation in the pathogenesis of diabetic retinopathy
    2004 963 citations Antonia M. Joussen, Vassiliki Poulaki et al. The FASEB Journal profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kan Koizumi Japan 13 1.5k 793 610 363 270 17 2.2k
Sampathkumar Rangasamy United States 20 927 0.6× 565 0.7× 611 1.0× 177 0.5× 192 0.7× 44 1.9k
Qinghua Qiu China 22 686 0.5× 411 0.5× 694 1.1× 114 0.3× 131 0.5× 71 1.6k
Leon Kohen Germany 28 819 0.6× 418 0.5× 1.1k 1.8× 93 0.3× 195 0.7× 73 1.9k
Goldis Malek United States 25 2.5k 1.7× 1.3k 1.7× 1.4k 2.3× 71 0.2× 269 1.0× 70 3.1k
Takashi Koto Japan 19 819 0.6× 524 0.7× 447 0.7× 57 0.2× 206 0.8× 62 1.5k
Xavier Guillonneau France 24 1.2k 0.8× 368 0.5× 1.1k 1.8× 65 0.2× 554 2.1× 71 2.1k
Elena Beltramo Italy 20 440 0.3× 196 0.2× 424 0.7× 218 0.6× 156 0.6× 39 1.3k
Franziska vom Hagen Germany 17 493 0.3× 197 0.2× 628 1.0× 160 0.4× 227 0.8× 24 1.3k
Devy Deliyanti Australia 23 447 0.3× 225 0.3× 332 0.5× 118 0.3× 186 0.7× 34 1.1k
Yan Luo China 23 566 0.4× 343 0.4× 962 1.6× 67 0.2× 193 0.7× 87 1.8k

Countries citing papers authored by Kan Koizumi

Since Specialization
Citations

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

Fields of papers citing papers by Kan Koizumi

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kan Koizumi

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

All Works

17 of 17 papers shown
1.
Kubo, Akiko, et al.. (2022). Posterior scleritis with choroidal detachments and periaortitis associated with IgG4-related disease: A case report. Medicine. 101(29). e29611–e29611. 1 indexed citations
2.
Joussen, Antonia M., Kan Koizumi, Sven Radetzky, et al.. (2009). TNF-alpha mediated apoptosis plays an important role in the development of early diabetic retinopathy and long-term histopathological alterations.. PubMed. 15. 1418–28. 208 indexed citations
3.
Koizumi, Noriko, Helen Rigby, Nigel J. Fullwood, et al.. (2006). Comparison of intact and denuded amniotic membrane as a substrate for cell-suspension culture of human limbal epithelial cells. Graefe s Archive for Clinical and Experimental Ophthalmology. 245(1). 123–134. 95 indexed citations
4.
Sugiyama, Tetsuya, et al.. (2005). Transforming Growth Factor β<sub>2</sub> Increases in Subretinal Fluid in Rhegmatogenous Retinal Detachment with Subretinal Strands. Ophthalmologica. 219(4). 222–225. 13 indexed citations
5.
Radetzky, Sven, Peter Walter, Sascha Fauser, et al.. (2004). Visual outcome of patients with macular edema after pars plana vitrectomy and indocyanine green-assisted peeling of the internal limiting membrane. Graefe s Archive for Clinical and Experimental Ophthalmology. 242(4). 273–278. 54 indexed citations
6.
Fauser, Sascha, et al.. (2004). Pharmacokinetics and safety of intravitreally delivered etanercept. Graefe s Archive for Clinical and Experimental Ophthalmology. 242(7). 582–586. 37 indexed citations
7.
Joussen, Antonia M., Vassiliki Poulaki, Kan Koizumi, et al.. (2004). A central role for inflammation in the pathogenesis of diabetic retinopathy. The FASEB Journal. 18(12). 1450–1452. 963 indexed citations breakdown →
8.
Koizumi, Kan, Vassiliki Poulaki, Gerhard Welsandt, et al.. (2003). Contribution of TNF-α to Leukocyte Adhesion, Vascular Leakage, and Apoptotic Cell Death in Endotoxin-Induced Uveitis In Vivo. Investigative Ophthalmology & Visual Science. 44(5). 2184–2184. 143 indexed citations
9.
Koizumi, Kan, Akihide Watanabe, Noriko Koizumi, & Shigeru Kinoshita. (2002). Peeling the fibrous membrane from the anterior capsule for capsulorhexis contraction after phacoemulsification in aphakic patients. Journal of Cataract & Refractive Surgery. 28(10). 1728–1732. 12 indexed citations
10.
Koizumi, Kan, et al.. (2002). Intentional complete interruption of a retinal vein after vitrectomy might improve the rate of successful chorioretinal venous anastomosis formation in central retinal vein occlusion. Graefe s Archive for Clinical and Experimental Ophthalmology. 240(10). 787–794. 17 indexed citations
11.
Joussen, Antonia M., Vassiliki Poulaki, Nicholas Mitsiades, et al.. (2002). Nonsteroidal anti‐inflammatory drugs prevent early diabetic retinopathy via TNF‐α suppression. The FASEB Journal. 16(3). 438–440. 460 indexed citations
12.
Koizumi, Kan, et al.. (2002). Spontaneous remodelling of retinal veins accidentally severed during vitreous surgery. Acta Ophthalmologica Scandinavica. 80(1). 91–95. 1 indexed citations
13.
Ikeda, Tsunehiko, Hiroshi Obayashi, Naoto Nakamura, et al.. (2001). Paraoxonase gene polymorphisms and plasma oxidized low-density lipoprotein level as possible risk factors for exudative age-related macular degeneration. American Journal of Ophthalmology. 132(2). 191–195. 71 indexed citations
14.
Ikeda, Tsunehiko, et al.. (2000). Pars plana vitrectomy for regression of choroidal neovascularization with age‐related macular degeneration. Acta Ophthalmologica Scandinavica. 78(4). 460–464. 27 indexed citations
15.
Ikeda, Tsunehiko, Takashi Fujikado, Yasuo Tano, et al.. (1999). Vitrectomy for rhegmatogenous or tractional retinal detachment with familial exudative vitreoretinopathy. Ophthalmology. 106(6). 1081–1085. 40 indexed citations
16.
Ikeda, Tsunehiko, et al.. (1999). Multiple cranial arteriovenous malformations in a child with eventual blindness in the affected eye. American Journal of Ophthalmology. 127(1). 99–101. 6 indexed citations
17.
Sawa, Hiroshi, et al.. (1998). VITRECTOMY FOR PROLIFERATIVE DIABETIC RETINOPATHY WITH ASTEROID HYALOSIS. Retina. 18(5). 410–414. 16 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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