World's Best Scientists 2026 revealed!
Thomas Flohr

Thomas Flohr

D-Index & Metrics

Medicine

D-Index
98
Citations
35219
World Ranking
8918
National Ranking
499

Thomas Flohr 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 Thomas Flohr 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: 441 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Thomas Flohr 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 Thomas Flohr 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: 98 D-Index — 57th percentile

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

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

Overview

Thomas Flohr is affiliated with Siemens in Germany and has focused their research primarily on medical imaging technologies. Their work spans the main fields of Medicine and Engineering, with a substantial emphasis on Radiology, Nuclear Medicine and Imaging, as well as Biomedical Engineering.

Their research topics include:

  • Advanced X-ray and CT Imaging
  • Radiation Dose and Imaging
  • Medical Imaging Techniques and Applications
  • Cardiac Imaging and Diagnostics
  • Radiomics and Machine Learning in Medical Imaging
  • COVID-19 diagnosis using AI
  • Dental Radiography and Imaging

Frequent collaborators in their work are:

  • Bernhard Schmidt
  • Hatem Alkadhi
  • Matthias Eberhard
  • Joachim E. Wildberger
  • Cynthia H. McCollough

Thomas Flohr has published extensively in several scientific venues, including:

  • Investigative Radiology
  • European Radiology
  • British Journal of Radiology
  • Medical Physics
  • European Journal of Radiology

Highlighted recent publications are:

  • Technical Basics and Clinical Benefits of Photon-Counting CT, 2023, Investigative Radiology
  • First Clinical Photon-counting Detector CT System: Technical Evaluation, 2021, Radiology
  • Photon-counting CT review, 2020, Physica Medica
  • Principles and applications of multienergy CT: Report of AAPM Task Group 291, 2020, Medical Physics
  • Automated Quantification of CT Patterns Associated with COVID-19 from Chest CT, 2020, Radiology Artificial Intelligence

The scientist's contributions are situated mainly in detailed technical evaluations of CT imaging systems, including photon-counting CT technologies, and applications of machine learning in medical imaging for diagnostic purposes. Their research also covers radiation dose considerations within imaging techniques and the clinical applications of these technologies, including work related to COVID-19 diagnosis by AI.

Best Publications

  • Material differentiation by dual energy CT: initial experience

    Thorsten R. C. Johnson;Bernhard Krauß;Martin Sedlmair;Martin Sedlmair;Michael Grasruck

  • First performance evaluation of a dual-source CT (DSCT) system.

    Thomas G. Flohr;Cynthia H. McCollough;Herbert Bruder;Martin Petersilka

  • Multislice helical CT of the heart with retrospective ECG gating: reduction of radiation exposure by ECG-controlled tube current modulation.

    Tobias F. Jakobs;Christoph R. Becker;Bernd Ohnesorge;Thomas Flohr

  • Cardiac Imaging by Means of Electrocardiographically Gated Multisection Spiral CT: Initial Experience

    Bernd Ohnesorge;Thomas Flohr;Christoph Becker;Andreas F. Kopp

  • Subsecond multi-slice computed tomography: basics and applications.

    Klaus Klingenbeck-Regn;Stefan Schaller;Thomas Flohr;Bernd Ohnesorge

  • Multi-detector row CT systems and image-reconstruction techniques.

    Thomas G. Flohr;Stefan Schaller;Karl Stierstorfer;Herbert Bruder

  • Contrast-enhanced coronary artery visualization by dual-source computed tomography--initial experience.

    Stephan Achenbach;Dieter Ropers;Axel Kuettner;Thomas Flohr

  • Technical principles of dual source CT.

    Martin Petersilka;Herbert Bruder;Bernhard Krauss;Karl Stierstorfer

  • Heart rate adaptive optimization of spatial and temporal resolution for electrocardiogram-gated multislice spiral CT of the heart.

    Thomas Flohr;Bernd Ohnesorge

  • Performance evaluation of a 64-slice CT system with z-flying focal spot.

    T Flohr;K Stierstorfer;R Raupach;S Ulzheimer

  • Image reconstruction and image quality evaluation for a 64-slice CT scanner with z-flying focal spot

    T. G. Flohr;K. Stierstorfer;S. Ulzheimer;H. Bruder

  • Assessment of an advanced image-based technique to calculate virtual monoenergetic computed tomographic images from a dual-energy examination to improve contrast-to-noise ratio in examinations using iodinated contrast media.

    Katharine L. Grant;Thomas G. Flohr;Bernhard Krauss;Martin Sedlmair

  • Dual-source CT in step-and-shoot mode: noninvasive coronary angiography with low radiation dose.

    Paul Stolzmann;Sebastian Leschka;Hans Scheffel;Tobias Krauss

  • Photon-counting CT review

    Thomas Flohr;Martin Petersilka;Andre Henning;Stefan Ulzheimer

  • Raw data-based iterative reconstruction in body CTA: evaluation of radiation dose saving potential.

    Anna Winklehner;Christoph Karlo;Gilbert Puippe;Bernhard Schmidt

  • 64-slice multidetector coronary CT angiography: in vitro evaluation of 68 different stents

    David Maintz;Harald Seifarth;Rainer Raupach;Thomas Flohr

  • Efficient correction for CT image artifacts caused by objects extending outside the scan field of view.

    B. Ohnesorge;T. Flohr;K. Schwarz;J. P. Heiken

  • High-pitch spiral acquisition: a new scan mode for coronary CT angiography.

    Stephan Achenbach;Mohamed Marwan;Tiziano Schepis;Tobias Pflederer

  • A new algorithm for metal artifact reduction in Computed tomography: In vitro and in vivo evaluation after total hip replacement

    Andreas H. Mahnken;Rainer Raupach;Joachim E. Wildberger;Bettina Jung

  • Current concepts in multi-detector row CT evaluation of the coronary arteries: principles, techniques, and anatomy.

    Harpreet K. Pannu;Thomas G. Flohr;Frank M. Corl;Elliot K. Fishman

Frequent Co-Authors

Christoph R. Becker
Christoph R. Becker Ludwig-Maximilians-Universität München
Hatem Alkadhi
Hatem Alkadhi University of Zurich
U. Joseph Schoepf
U. Joseph Schoepf Medical University of South Carolina
Rolf W. Günther
Rolf W. Günther Charité - University Medicine Berlin
Maximilian F. Reiser
Maximilian F. Reiser Ludwig-Maximilians-Universität München
Konstantin Nikolaou
Konstantin Nikolaou University of Tübingen
Martine Remy-Jardin
Martine Remy-Jardin University of Lille
Alain Duhamel
Alain Duhamel University of Lille
Borut Marincek
Borut Marincek University of Zurich

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