World's Best Scientists 2026 revealed!
Seigo Kitano

Seigo Kitano

D-Index & Metrics

Medicine

D-Index
92
Citations
33498
World Ranking
11246
National Ranking
323

Seigo Kitano 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 Seigo Kitano 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: 610 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: 717 publications — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

Seigo Kitano 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 Seigo Kitano 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: 399 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: 92 D-Index — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Overview

Seigo Kitano is affiliated with Oita University in Japan. Their research primarily falls within the field of Medicine, with a focus on subfields including Oncology, Surgery, Pulmonary and Respiratory Medicine, Gastroenterology, and Pathology and Forensic Medicine.

The scientist's work covers various topics related to colorectal and gastric cancer, surgical treatments, screening, and outcomes. Specific research topics include colorectal cancer surgical treatments, colorectal cancer screening and detection, gastric cancer management and outcomes, esophageal and gastrointestinal pathology, surgical simulation and training, colorectal and anal carcinomas, and bariatric surgery and outcomes.

Seigo Kitano has published extensively in several academic journals. Frequent publication venues include:

  • Asian Journal of Endoscopic Surgery
  • Annals of Gastroenterological Surgery
  • Gut
  • JAMA Surgery
  • Surgical Technology Online

Notable recent papers by Kitano include:

  • Practice of endoscopy during COVID-19 pandemic: position statements of the Asian Pacific Society for Digestive Endoscopy (APSDE-COVID statements), 2020, Gut
  • Five-Year Survival Outcomes of Laparoscopy-Assisted vs Open Distal Gastrectomy for Advanced Gastric Cancer, 2023, JAMA Surgery
  • Current Status of Endoscopic Surgery in Japan: The 15th National Survey of Endoscopic Surgery by the Japan Society for Endoscopic Surgery, 2021, Asian Journal of Endoscopic Surgery
  • Clinical impact of D3 lymph node dissection with left colic artery (LCA) preservation compared to D3 without LCA preservation: Exploratory subgroup analysis of data from JCOG0404, 2020, Annals of Gastroenterological Surgery
  • Current status of laparoscopic bariatric/metabolic surgery in Japan: The sixth nationwide survey by the Japan Consortium of Obesity and Metabolic Surgery, 2020, Asian Journal of Endoscopic Surgery

The scientist has collaborated frequently with several co-authors, including Masafumi Inomata, Tomonori Akagi, Satoshi Ieiri, Seiichiro Yamamoto, and Yukihide Kanemitsu.

Best Publications

  • Laparoscopy-assisted Billroth I gastrectomy.

    Kitano S;Iso Y;Moriyama M;Sugimachi K

  • Tokyo Guidelines 2018: diagnostic criteria and severity grading of acute cholecystitis (with videos).

    Masamichi Yokoe;Jiro Hata;Tadahiro Takada;Steven M. Strasberg

  • Prediction of variceal hemorrhage by esophageal endoscopy

    Kazushige Beppu;Kiyoshi Inokuchi;Nobuhiro Koyanagi;Shinichi Nakayama

  • A Multicenter Study on Oncologic Outcome of Laparoscopic Gastrectomy for Early Cancer in Japan

    Seigo Kitano;Norio Shiraishi;Ichiro Uyama;Kenichi Sugihara

  • A randomized controlled trial comparing open vs laparoscopy-assisted distal gastrectomy for the treatment of early gastric cancer: An interim report

    Seigo Kitano;Norio Shiraishi;Kyuzo Fujii;Kazuhiro Yasuda

  • Tokyo Guidelines 2018: flowchart for the management of acute cholecystitis.

    Kohji Okamoto;Kenji Suzuki;Tadahiro Takada;Steven M. Strasberg

  • Laparoscopy-assisted Billroth I gastrectomy compared with conventional open gastrectomy.

    Yosuke Adachi;Norio Shiraishi;Akio Shiromizu;Toshio Bandoh

  • Tokyo Guidelines 2018 surgical management of acute cholecystitis: safe steps in laparoscopic cholecystectomy for acute cholecystitis (with videos)

    Go Wakabayashi;Yukio Iwashita;Taizo Hibi;Tadahiro Takada

  • Angiopoietin-2 is related to tumor angiogenesis in gastric carcinoma: possible in vivo regulation via induction of proteases.

    Tsuyoshi Etoh;Hiroshi Inoue;Shinji Tanaka;Graham F. Barnard

  • Short-term Surgical Outcomes From a Randomized Controlled Trial to Evaluate Laparoscopic and Open D3 Dissection for Stage Ii/iii Colon Cancer: Japan Clinical Oncology Group Study Jcog 0404

    Seiichiro Yamamoto;Masafumi Inomata;Hiroshi Katayama;Junki Mizusawa

  • Increased DNA methyltransferase 1 (DNMT1) protein expression correlates significantly with poorer tumor differentiation and frequent DNA hypermethylation of multiple CpG islands in gastric cancers.

    Tsuyoshi Etoh;Yae Kanai;Saori Ushijima;Tohru Nakagawa

  • Tokyo Guidelines 2018: antimicrobial therapy for acute cholangitis and cholecystitis.

    Harumi Gomi;Joseph S. Solomkin;David Schlossberg;Kohji Okamoto

  • General rules for recording endoscopic findings of esophagogastric varices (2nd edition).

    Takashi Tajiri;Hiroshi Yoshida;Katsutoshi Obara;Morikazu Onji

  • Practice of endoscopy during COVID-19 pandemic: position statements of the Asian Pacific Society for Digestive Endoscopy (APSDE-COVID statements).

    Philip Wai Yan Chiu;Siew C. Ng;Haruhiro Inoue;D. Nageshwar Reddy

  • Quality of life after laparoscopy-assisted Billroth I gastrectomy.

    Yosuke Adachi;Toshihiro Suematsu;Norio Shiraishi;Takeshi Katsuta

  • Tokyo Guidelines 2018: initial management of acute biliary infection and flowchart for acute cholangitis

    Fumihiko Miura;Kohji Okamoto;Tadahiro Takada;Steven M. Strasberg

  • A Multi-institutional, Prospective, Phase II Feasibility Study of Laparoscopy-Assisted Distal Gastrectomy with D2 Lymph Node Dissection for Locally Advanced Gastric Cancer (JLSSG0901)

    Noriyuki Inaki;Tsuyoshi Etoh;Tetsuji Ohyama;Kazuhisa Uchiyama

  • Optimal management of the branch duct type intraductal papillary mucinous neoplasms of the pancreas.

    Toshifumi Matsumoto;Masanori Aramaki;Kazuhiro Yada;Seitaro Hirano

  • Survival outcomes following laparoscopic versus open D3 dissection for stage II or III colon cancer (JCOG0404): a phase 3, randomised controlled trial

    Seigo Kitano;Masafumi Inomata;Junki Mizusawa;Hiroshi Katayama

  • Laparoscopy-assisted Billroth-I gastrectomy (LADG) for cancer: our 10 years' experience.

    Seigo Kitano;Norio Shiraishi;Kenji Kakisako;Kazuhiro Yasuda

Frequent Co-Authors

Keizo Sugimachi
Keizo Sugimachi Kyushu University
Masaki Mori
Masaki Mori Kyushu University
Masakazu Yamamoto
Masakazu Yamamoto Tohoku University
Kenichi Sugihara
Kenichi Sugihara Tokyo Medical and Dental University
Itaru Endo
Itaru Endo Yokohama City University
Dirk J. Gouma
Dirk J. Gouma University of Amsterdam
Seiichiro Yamamoto
Seiichiro Yamamoto National Cancer Research Institute, UK
Koichi Hirata
Koichi Hirata Sapporo Medical University
Go Wakabayashi
Go Wakabayashi Iwate Medical University
Masaaki Ito
Masaaki Ito Mie University

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