World's Best Scientists 2026 revealed!
Joel G. Fletcher

Joel G. Fletcher

D-Index & Metrics

Medicine

D-Index
101
Citations
35685
World Ranking
8017
National Ranking
4163

Joel G. Fletcher 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 Joel G. Fletcher 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: 497 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Joel G. Fletcher 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 Joel G. Fletcher 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: 101 D-Index — 61st percentile

61% of scientists in this discipline score the same or lower.

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

Overview

Joel G. Fletcher is affiliated with the Mayo Clinic in the United States. Their research primarily focuses on medicine, with a strong emphasis on radiology, nuclear medicine, and imaging. They have contributed extensively to the subfields of biomedical engineering, surgery, genetics, and epidemiology.

Their work covers a range of topics within medical imaging, including advanced X-ray and CT imaging, radiation dose and imaging, and medical imaging techniques and applications. They have also addressed conditions related to inflammatory bowel disease, diverticular disease and complications, radiomics and machine learning in medical imaging, and autoimmune and inflammatory disorders.

Recent publications by Joel G. Fletcher highlight their involvement in innovations and clinical applications of computed tomography (CT). Notable papers include:

  • First Clinical Photon-counting Detector CT System: Technical Evaluation, 2021, Radiology
  • Low-dose CT image and projection dataset, 2020, Medical Physics
  • Small Bowel Crohn Disease at CT and MR Enterography: Imaging Atlas and Glossary of Terms, 2020, Radiographics
  • Photon-Counting Detector CT: Key Points Radiologists Should Know, 2022, Korean Journal of Radiology
  • Radiomics-based Machine-learning Models Can Detect Pancreatic Cancer on Prediagnostic Computed Tomography Scans at a Substantial Lead Time Before Clinical Diagnosis, 2022, Gastroenterology

Joel G. Fletcher frequently collaborates with several researchers, including Cynthia H. McCollough, Shuai Leng, David H. Bruining, Lifeng Yu, and Akitoshi Inoue. Their work appears in a variety of prominent publication venues, predominantly in:

  • Gastroenterology
  • Abdominal Radiology
  • Radiology
  • Radiographics
  • Medical Physics

Their extensive publication record spans over 300 contributions in the field of medicine, with imaging-related research particularly well represented. Joel's research integrates advanced imaging techniques with clinical diagnostics, particularly in radiation dose assessment and disease detection through radiomics and machine learning approaches.

Best Publications

  • Dual- and Multi-Energy CT: Principles, Technical Approaches, and Clinical Applications

    Cynthia H. McCollough;Shuai Leng;Lifeng Yu;Joel G. Fletcher

  • Managing incidental findings in human subjects research: Analysis and recommendations

    Susan M Wolf;Frances P Lawrenz;Charles A. Nelson;Jeffrey P. Kahn

  • A comparison of endoscopic ultrasound, magnetic resonance imaging, and exam under anesthesia for evaluation of Crohn's perianal fistulas

    David A. Schwartz;Maurits J. Wiersema;Kika M. Dudiak;J.G. Fletcher

  • Frequent Detection of Pancreatic Lesions in Asymptomatic High-Risk Individuals

    Marcia Irene Canto;Ralph H. Hruban;Elliot K. Fishman;Ihab R. Kamel

  • Development of the Crohn's disease digestive damage score, the Lémann score†‡§

    Benjamin Pariente;Jacques Cosnes;Silvio Danese;William J. Sandborn

  • CT enterography as a diagnostic tool in evaluating small bowel disorders: review of clinical experience with over 700 cases.

    Scott R. Paulsen;James E. Huprich;Joel G. Fletcher;Fargol Booya

  • Noninvasive differentiation of uric acid versus non-uric acid kidney stones using dual-energy CT.

    Andrew N. Primak;Joel G. Fletcher;Terri J. Vrtiska;Oleksandr P. Dzyubak

  • Optimization of CT colonography technique: prospective trial in 180 patients.

    Fletcher Jg;Johnson Cd;Welch Tj;MacCarty Rl

  • Radiation dose reduction in computed tomography: techniques and future perspective

    Lifeng Yu;Xin Liu;Shuai Leng;James M Kofler

  • Assessment of Small Bowel Crohn Disease: Noninvasive Peroral CT Enterography Compared with Other Imaging Methods and Endoscopy—Feasibility Study

    Peter B Wold;Joel G Fletcher;C Daniel Johnson;William J Sandborn

  • Small-bowel imaging in Crohn's disease: a prospective, blinded, 4-way comparison trial

    Craig A. Solem;Edward V. Loftus;Joel G. Fletcher;Todd H. Baron

  • Prospective comparison of state-of-the-art MR enterography and CT enterography in small-bowel Crohn's disease.

    Hassan A. Siddiki;Jeff L. Fidler;Joel G. Fletcher;Sharon S. Burton

  • Crohn Disease: Mural Attenuation and Thickness at Contrast-enhanced CT Enterography—Correlation with Endoscopic and Histologic Findings of Inflammation

    Kale D. Bodily;Joel G. Fletcher;Craig A. Solem;C. Daniel Johnson

  • Photon-counting Detector CT: System Design and Clinical Applications of an Emerging Technology

    Shuai Leng;Michael Bruesewitz;Shengzhen Tao;Kishore Rajendran

  • Pancreatic malignancy: value of arterial, pancreatic, and hepatic phase imaging with multi-detector row CT.

    Joel G. Fletcher;Maurits J. Wiersema;Michael A. Farrell;Jeff L. Fidler

  • Virtual monochromatic imaging in dual-source dual-energy CT: Radiation dose and image quality

    Lifeng Yu;Jodie A. Christner;Shuai Leng;Jia Wang

  • Renal involvement in patients with autoimmune pancreatitis: CT and MR imaging findings.

    Naoki Takahashi;Akira Kawashima;Joel G. Fletcher;Suresh T. Chari

  • Projection space denoising with bilateral filtering and CT noise modeling for dose reduction in CT

    Armando Manduca;Lifeng Yu;Joshua D. Trzasko;Natalia Khaylova

  • CT colonography without cathartic preparation: feasibility study.

    Matthew R. Callstrom;C. Daniel Johnson;J. G. Fletcher;Judd E. Reed

  • Optimization of CT Colonography Technique: Prospective Trial in 180

    Joel G. Fletcher;C. Daniel Johnson;Timothy J. Welch;Robert L. MacCarty

Frequent Co-Authors

Edward V. Loftus
Edward V. Loftus Mayo Clinic
William J. Sandborn
William J. Sandborn University of California, San Diego
Adil E. Bharucha
Adil E. Bharucha Mayo Clinic
Rickey E. Carter
Rickey E. Carter Mayo Clinic
Armando Manduca
Armando Manduca Mayo Clinic
Suresh T. Chari
Suresh T. Chari The University of Texas MD Anderson Cancer Center
Thomas C. Smyrk
Thomas C. Smyrk Mayo Clinic

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