World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
79
Citations
18225
World Ranking
17746
National Ranking
565

Yasuhiko Kitadai publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Yasuhiko Kitadai sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 328 publications — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Yasuhiko Kitadai D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Yasuhiko Kitadai sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 79 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Yasuhiko Kitadai is affiliated with the Prefectural University of Hiroshima in Japan. Their research primarily spans the broad field of Medicine, with focused expertise in Surgery, Pulmonary and Respiratory Medicine, Oncology, Immunology, and Gastroenterology. Kitadai's work engages with multiple key topics including gastric cancer management and outcomes, Helicobacter pylori-related gastroenterology studies, metastasis and carcinoma case studies, gastrointestinal tumor research and treatment, eosinophilic esophagitis, cancer immunotherapy and biomarkers, and immune cell function and interaction.

The scientist has contributed to several scholarly publications across notable venues. Frequent publication platforms for their work include:

  • Cancers
  • PLoS ONE
  • Gastrointestinal Endoscopy
  • International Journal of Colorectal Disease
  • BMC Gastroenterology

Among their recent scholarly articles are:

  • Role of tumor-associated macrophages at the invasive front in human colorectal cancer progression (2021) published in Cancer Science
  • Involvement of non-Helicobacter pylori helicobacter infections in Helicobacter pylori-negative gastric MALT lymphoma pathogenesis and efficacy of eradication therapy (2021) published in Gastric Cancer
  • Fatty change of the liver microenvironment influences the metastatic potential of colorectal cancer (2020) published in International Journal of Experimental Pathology
  • Clinical significance of immunohistochemical lymphovascular evaluation to determine additional surgery after endoscopic submucosal dissection for colorectal T1 carcinoma (2020) published in International Journal of Colorectal Disease
  • Long-term prognosis after endoscopic submucosal dissection for colorectal tumors in patients aged over 80 years (2021) published in BMC Gastroenterology

Collaboration is an evident aspect of Kitadai's career, with frequent coauthors including:

  • Shinji Tanaka
  • Ryo Yuge
  • Shiro Oka
  • Hidehiko Takigawa
  • Yuji Urabe

Best Publications

  • Expression of vascular endothelial growth factor and its receptor, KDR, correlates with vascularity, metastasis, and proliferation of human colon cancer.

    Yutaka Takahashi;Yasuhiko Kitadai;Corazon D. Bucana;Karen R. Cleary

  • Vessel Counts and Expression of Vascular Endothelial Growth Factor as Prognostic Factors in Node-Negative Colon Cancer

    Yutaka Takahashi;Susan L. Tucker;Yasuhiko Kitadai;Aaryan N. Koura

  • Clinicopathologic features and endoscopic treatment of superficially spreading colorectal neoplasms larger than 20 mm

    Shinji Tanaka;Ken Haruma;Shiro Oka;Ryoji Takahashi

  • Frequent amplification of the c-met gene in scirrhous type stomach cancer.

    Hiroki Kuniyasu;Wataru Yasui;Yasuhiko Kitadai;Hiroshi Yokozaki

  • Mesenchymal stem cells enhance growth and metastasis of colon cancer.

    Kei Shinagawa;Yasuhiko Kitadai;Miwako Tanaka;Tomonori Sumida

  • Platelet-Derived Endothelial Cell Growth Factor in Human Colon Cancer Angiogenesis: Role of Infiltrating Cells

    Yutaka Takahashi;Corazon D. Bucana;Wenbiao Liu;Junya Yoneda

  • Long-term clinical outcome of gastric MALT lymphoma after eradication of Helicobacter pylori: a multicentre cohort follow-up study of 420 patients in Japan

    Shotaro Nakamura;Toshiro Sugiyama;Takayuki Matsumoto;Katsunori Iijima

  • Significance of Vessel Count and Vascular Endothelial Growth Factor and Its Receptor (KDR) in Intestinal-type Gastric Cancer'

    Yutaka Takahashi;Karen R. Cleary;Masayoshi Mai;Yasuhiko Kitadai

  • Expression of interleukin-8 correlates with vascularity in human gastric carcinomas.

    Yasuhiko Kitadai;Ken Haruma;Koji Sumii;Soichiro Yamamoto

  • Co‐expression of osteopontin and CD44v9 in gastric cancer

    Teruyoshi Ue;Hiroshi Yokozaki;Yasuhiko Kitadai;Soichiro Yamamoto

  • Clinicopathological significance of vascular endothelial growth factor (VEGF)-C in human esophageal squamous cell carcinomas.

    Yasuhiko Kitadai;Toru Amioka;Ken Haruma;Shinji Tanaka

  • Helicobacter pylori eradication therapy improves atrophic gastritis and intestinal metaplasia: a 5-year prospective study of patients with atrophic gastritis.

    M. Ito;K. Haruma;T. Kamada;M. Mihara

  • Correlation of metastasis-related gene expression with metastatic potential in human prostate carcinoma cells implanted in nude mice using an in situ messenger RNA hybridization technique

    G F Greene;Y Kitadai;C A Pettaway;A C von Eschenbach

  • Expression of hypoxia-inducible factor-1α is associated with tumor vascularization in human colorectal carcinoma

    Toshio Kuwai;Yasuhiko Kitadai;Shinji Tanaka;Seiji Onogawa

  • Monocyte chemoattractant protein-1 expression correlates with macrophage infiltration and tumor vascularity in human esophageal squamous cell carcinomas.

    Masahiro Ohta;Yasuhiko Kitadai;Shinji Tanaka;Masaharu Yoshihara

  • Expression of VEGF-C and VEGF-D at the invasive edge correlates with lymph node metastasis and prognosis of patients with colorectal carcinoma

    Seiji Onogawa;Yasuhiko Kitadai;Shinji Tanaka;Toshio Kuwai

  • Significance of vessel count and vascular endothelial growth factor in human esophageal carcinomas

    Yasuhiko Kitadai;Ken Haruma;Tadashi Tokutomi;Shinji Tanaka

  • Transfection of interleukin-8 increases angiogenesis and tumorigenesis of human gastric carcinoma cells in nude mice

    Y. Kitadai;Y. Takahashi;K. Haruma;K. Naka

  • Monocyte chemoattractant protein-1 expression correlates with macrophage infiltration and tumor vascularity in human gastric carcinomas

    Masahiro Ohta;Yasuhiko Kitadai;Shinji Tanaka;Masaharu Yoshihara

  • Gasdermin C is upregulated by inactivation of transforming growth factor β receptor type II in the presence of mutated Apc, promoting colorectal cancer proliferation.

    Masashi Miguchi;Takao Hinoi;Manabu Shimomura;Tomohiro Adachi

Frequent Co-Authors

Kazuaki Chayama
Kazuaki Chayama Hiroshima University
Shinji Tanaka
Shinji Tanaka Hiroshima University
Masaharu Yoshihara
Masaharu Yoshihara Hiroshima University
Wataru Yasui
Wataru Yasui Hiroshima University
Ken Haruma
Ken Haruma Hiroshima University
Eiichi Tahara
Eiichi Tahara Hiroshima University
Hiroshi Yokozaki
Hiroshi Yokozaki Kobe University
Isaiah J. Fidler
Isaiah J. Fidler The University of Texas MD Anderson Cancer Center
Corazon D. Bucana
Corazon D. Bucana The University of Texas MD Anderson Cancer Center
Lee M. Ellis
Lee M. Ellis The University of Texas MD Anderson Cancer Center

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