Science Explorer Interactive view Map
Subfield · Medicine

Radiology, Nuclear Medicine and Imaging research

Radiology, Nuclear Medicine and Imaging is a subfield of Medicine. Science Explorer counts 1.1M research works in it since 1950. 16.1% of them reached the world's top 10% most cited for their field and year.

In short: specialty that uses medical imaging to diagnose and treat diseases seen within the body.

Research works
1.1M
fractional, since 1950
In the world top 10%
170k
per year above
Top-10% rate
16.1%
share of its works in the world top 10%
Topics
30
Growth, 2013–17 → 2018–22
+22%
the tick is no change

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

What is Radiology, Nuclear Medicine and Imaging research about, and what is growing?

By the world's output in 2019–23, its most used keywords are Medical Imaging, Deep Learning, Magnetic Resonance Imaging, Radiation Exposure, Quantitative Analysis, Radiomics. Gaining share since 2009–13: Convolutional Neural Networks, COVID-19, Medical Imaging, Quantitative Analysis, Radiomics. Losing share: Parallel Imaging, Spectroscopy, Perfusion Imaging, Imaging.

▲ gaining share of this field◆ holding its share▼ losing share

Size is the world's fractional works in 2019–23 in the topics tagged with each word; colour compares the word's share of this field with 2009–13. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Medical Imaging46k▲ 2.8×3 topics
  2. Deep Learning41k▲ 1.52×3 topics
  3. Magnetic Resonance Imaging39k▼ 0.77×4 topics
  4. Radiation Exposure26k▼ 0.84×2 topics
  5. Quantitative Analysis24k▲ 2.0×1 topic
  6. Radiomics24k▲ 2.0×1 topic
  7. Perfusion Imaging20k▼ 0.67×2 topics
  8. COVID-1917k▲ 41×1 topic
  9. Convolutional Neural Networks17k▲ 41×1 topic
  10. Cardiac Imaging17k◆ 0.87×1 topic
  11. Coronary Artery Disease17k◆ 0.87×1 topic
  12. Imaging14k▼ 0.69×1 topic
  13. PET/CT14k▼ 0.69×1 topic
  14. Fc Receptors14k▼ 0.70×1 topic
  15. Therapeutic Antibodies14k▼ 0.70×1 topic
  16. Cancer Treatment14k◆ 0.89×3 topics
  17. Wound Healing13k◆ 1.01×2 topics
  18. Parallel Imaging13k▼ 0.65×1 topic
  19. Spectroscopy13k▼ 0.65×1 topic
  20. Computed Tomography12k◆ 0.87×2 topics
  21. Diagnostic Accuracy12k▼ 0.80×2 topics
  22. Diabetic Retinopathy11k▲ 1.60×1 topic
  23. Retinal Disease11k▲ 1.60×1 topic
  24. Cancer Risk9,227▼ 0.80×1 topic
  25. Diagnostic Imaging9,227▼ 0.80×1 topic
  26. Radiotherapy9,187◆ 1.02×2 topics
  27. Corneal Biomechanics8,750◆ 0.87×1 topic
  28. Keratoconus8,750◆ 0.87×1 topic
  29. Diffusion MRI8,642◆ 0.99×1 topic
  30. White Matter8,642◆ 0.99×1 topic
  31. PET Imaging6,945▼ 0.85×1 topic
  32. Radiopharmaceuticals6,945▼ 0.85×1 topic
  33. Breast MRI6,792▼ 0.72×1 topic
  34. Diffusion-Weighted Imaging6,792▼ 0.72×1 topic
  35. Corneal Regeneration6,704◆ 0.87×1 topic
  36. Tissue Engineering6,704◆ 0.87×1 topic
  37. Low-Level Laser Therapy6,122▲ 1.23×1 topic
  38. Photobiomodulation6,122▲ 1.23×1 topic
  39. Macular Hole5,988◆ 0.92×1 topic
  40. Vitreoretinal Surgery5,988◆ 0.92×1 topic

Which countries lead Radiology, Nuclear Medicine and Imaging research?

On research quality in 2022–2025, the United States, China and India rank highest in Radiology, Nuclear Medicine and Imaging. By volume, the United States and China publish the most (40k and 32k works in 2022–2025).

By research quality, 2022–2025

  1. 1 United States · #1 all time 15.2% top 10% · 40k works
  2. 2 China · #3 all time 20.8% top 10% · 32k works
  3. 3 India · #10 all time 11.8% top 10% · 16k works
  4. 4 United Kingdom · #2 all time 17.6% top 10% · 7.9k works
  5. 5 Germany · #4 all time 17.5% top 10% · 8.3k works
  6. 6 Italy · #8 all time 20.6% top 10% · 5.8k works
  7. 7 Australia · #11 all time 21.9% top 10% · 3.2k works
  8. 8 Canada · #7 all time 18.0% top 10% · 4.3k works
  9. 9 France · #5 all time 14.9% top 10% · 4.6k works
  10. 10 South Korea · #13 all time 15.9% top 10% · 4.7k works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 66 countries ranked in Radiology, Nuclear Medicine and Imaging. Composite of field-normalised excellence (50%), output (30%) and citations (20%); the bracket is the all-time rank.

All countries ranked in Radiology, Nuclear Medicine and Imaging

By volume, 2022–2025

  1. 1 United States 40k works
  2. 2 China 32k works
  3. 3 India 16k works
  4. 4 Germany 8.3k works
  5. 5 United Kingdom 7.9k works
  6. 6 Japan 7.7k works
  7. 7 Italy 5.8k works
  8. 8 South Korea 4.7k works
  9. 9 France 4.6k works
  10. 10 Canada 4.3k works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 30.2%China: 24.5%India: 12.3%Germany: 6.3%6 others listed: 26.7%30%largest
United States40k · 30.2%China32k · 24.5%India16k · 12.3%Germany8,262 · 6.3%6 others listed35k · 26.7%

Shares of the rows listed above, not of the whole node.

Which institutions lead Radiology, Nuclear Medicine and Imaging research?

Harvard University (United States) ranks first in Radiology, Nuclear Medicine and Imaging on research quality in 2022–2025, followed by Stanford University and Sichuan University.

By research quality, 2022–2025

  1. 1 Harvard University United States · Cambridge · #1 all time 23.8% top 10% · 587 works
  2. 2 Stanford University United States · Stanford · #2 all time 21.0% top 10% · 544 works
  3. 3 Sichuan University China · Chengdu 26.4% top 10% · 421 works
  4. 4 Sun Yat-sen University China · Guangzhou · #79 all time 24.6% top 10% · 532 works
  5. 5 Shanghai Jiao Tong University China · Shanghai · #87 all time 24.7% top 10% · 482 works
  6. 6 Johns Hopkins University United States · Baltimore · #4 all time 21.1% top 10% · 518 works
  7. 7 University College London United Kingdom · London · #6 all time 21.0% top 10% · 445 works
  8. 8 Memorial Sloan Kettering Cancer Center United States · New York · #9 all time 19.9% top 10% · 372 works
  9. 9 Massachusetts General Hospital United States · Boston · #3 all time 18.4% top 10% · 417 works
  10. 10 Fudan University China · Shanghai 21.5% top 10% · 366 works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 569 institutions above the floor of 40 fractional works in Radiology, Nuclear Medicine and Imaging.

Top 100 Radiology, Nuclear Medicine and Imaging institutions

By volume, 2022–2025

  1. 1 Harvard UniversityUnited States 587 works
  2. 2 Stanford UniversityUnited States 544 works
  3. 3 Sun Yat-sen UniversityChina 532 works
  4. 4 Johns Hopkins UniversityUnited States 518 works
  5. 5 Chinese Academy of Medical Sciences & Peking Union Medical CollegeChina 515 works
  6. 6 Shanghai Jiao Tong UniversityChina 482 works
  7. 7 University of North Carolina at Chapel HillUnited States 472 works
  8. 8 The University of Texas MD Anderson Cancer CenterUnited States 446 works
  9. 9 University College LondonUnited Kingdom 445 works
  10. 10 Saveetha UniversityIndia 424 works

Who are the leading researchers in Radiology, Nuclear Medicine and Imaging?

Among the most productive authors in Radiology, Nuclear Medicine and Imaging, Jost B. Jonas, Robert O. Bonow and Patrizio Lancellotti rank highest on the composite score.

  1. 1 Jost B. Jonas Germany · #12 worldwide 7.7k citations · 243 works
  2. 2 Robert O. Bonow United States · #85 worldwide 4.5k citations · 220 works
  3. 3 Patrizio Lancellotti Belgium · #86 worldwide 4.1k citations · 241 works
  4. 4 Victoria Delgado Netherlands · #117 worldwide 3.7k citations · 196 works
  5. 5 E. Murat Tuzcu United States · #142 worldwide 4.7k citations · 124 works
  6. 6 Hugh R. Taylor Australia · #158 worldwide 2.9k citations · 132 works
  7. 7 Alice K. Jacobs United States · #197 worldwide 3.5k citations · 127 works
  8. 8 William Wijns Belgium · #227 worldwide 3.8k citations · 167 works
  9. 9 Alan Yuille United States · #243 worldwide 8.4k citations · 313 works
  10. 10 Jens‐Uwe Voigt Belgium · #280 worldwide 2.4k citations · 142 works

Re-ranked on the composite score from the 5,715 highest-output authors in Radiology, Nuclear Medicine and Imaging. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Radiology, Nuclear Medicine and Imaging researchers

Where is Radiology, Nuclear Medicine and Imaging research done?

The largest centres of Radiology, Nuclear Medicine and Imaging research in 2022–2025 are Beijing (China), Shanghai (China), London (United Kingdom) and Seoul (South Korea). Among places with at least 20 works in it, it is an unusually large share of all research in Forchheim, Beijing and Brecksville.

Largest cities, 2022–2025

  1. 1 Beijing China 5.1k works
  2. 2 Shanghai China 3.4k works
  3. 3 London United Kingdom 2.7k works
  4. 4 Seoul South Korea 2.4k works
  5. 5 New York United States 2.1k works
  6. 6 Moscow Russia 2k works
  7. 7 Guangzhou China 2k works
  8. 8 Tokyo Japan 1.9k works
  9. 9 Chennai India 1.9k works
  10. 10 Boston United States 1.7k works

Where it is the local speciality

  1. ForchheimDE · 154.5 works36×
  2. BeijingCN · 58.0 works27×
  3. BrecksvilleUS · 40.7 works19×
  4. EastbourneGB · 23.5 works19×
  5. RoslynUS · 23.6 works18×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Radiology, Nuclear Medicine and Imaging than the world average.

See Radiology, Nuclear Medicine and Imaging on the map

Radiology, Nuclear Medicine and Imaging research by country

The best places for Radiology, Nuclear Medicine and Imaging research inside each country, with that country's researchers and world standing.

Where is the best place to study Radiology, Nuclear Medicine and Imaging?

Among universities, judged by research, Harvard University, Saveetha University and Medical University of Vienna score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%30%mean 22.42%fractional works in this node (log) →share in the world top 10% →Harvard University: 587, 23.8%Saveetha University: 424, 15.7%Medical University of Vienna: 256, 23.2%Vellore Institute of Technology University: 329, 21.7%Sun Yat-sen University: 532, 24.6%Shanghai Jiao Tong University: 482, 24.7%Stanford University: 544, 21.0%Johns Hopkins University: 518, 21.1%University of Chinese Academy of Sciences: 171, 27.4%University College London: 445, 21.0%Harvard UniversityMedical University o…Vellore Institute of…Saveetha University
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Harvard UniversityUnited States 54.723.8%2.6×587 +11.9%
2 Saveetha UniversityIndia 53.515.7%2.4×424 +603.6%
3 Medical University of ViennaAustria 52.823.2%4.6×256 +26.3%
4 Vellore Institute of Technology UniversityIndia 50.221.7%1.8×329 +151.9%
5 Sun Yat-sen UniversityChina 49.724.6%1.8×532 +12.6%
6 Shanghai Jiao Tong UniversityChina 49.424.7%1.2×482 +44.0%
7 Stanford UniversityUnited States 49.321.0%2.5×544 +6.2%
8 Johns Hopkins UniversityUnited States 49.121.1%2.7×518 +2.0%
9 University of Chinese Academy of SciencesChina 49.027.4%0.6×171 +190.7%
10 University College LondonUnited Kingdom 48.421.0%1.8×445 +9.1%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Radiology, Nuclear Medicine and Imaging research growing?

Output in 2018–2022 was 22% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are COVID-19 diagnosis using AI, Radiomics and Machine Learning in Medical Imaging and Retinal Imaging and Analysis.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

  1. COVID-19 diagnosis using AI+768%
  2. Radiomics and Machine Learning in Medical Imaging+157%
  3. Retinal Imaging and Analysis+152%
  4. Advanced Neuroimaging Techniques and Applications+99%
  5. Advances in Oncology and Radiotherapy+92%
  6. Laser Applications in Dentistry and Medicine+90%
← shrinkingno changegrowing →

Growth in output from 2005–09 to 2015–19. Every topic is a page of its own.

What does Radiology, Nuclear Medicine and Imaging include?

Monoclonal and Polyclonal Antibodies Research: 110k fractional worksCardiac Imaging and Diagnostics: 89k fractional worksMedical Imaging Techniqu…84kMedical Imaging Techniques and Applications: 84k fractional worksAdvanced MRI Techniques …79kAdvanced MRI Techniques and Applications: 79k fractional worksRadiomics and Machine Learning in Medical Imaging: 71k fractional worksRadiation Dose and Imaging: 48k fractional worksRadiopharmaceutical Chemistry and Applications: 44k fractional worksCorneal surgery and disorders: 42k fractional worksRetinal Imaging and Analysis: 36k fractional worksAdvanced Neuroimaging Techniques and Applications: 35k fractional worksCorneal Surgery and Treatments: 33k fractional worksMRI in cancer diagnosis: 33k fractional works

Area is fractional works in that topic. Every name below is a page of its own.