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Subfield · Health Professions

Radiological and Ultrasound Technology research

Radiological and Ultrasound Technology is a subfield of Health Professions. Science Explorer counts 118k research works in it since 1950. 16.7% 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
118k
fractional, since 1950
In the world top 10%
20k
per year above
Top-10% rate
16.7%
share of its works in the world top 10%
Topics
3
Growth, 2013–17 → 2018–22
+47%
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 Radiological and Ultrasound Technology research about, and what is growing?

By the world's output in 2019–23, its most used keywords are Occupational Safety, Safety Culture, Family Presence, Patient-Centered Care, Ionizing Radiation, Radon. Gaining share since 2009–13: Family Presence, Patient-Centered Care. Losing share: Ionizing Radiation, Radon.

▲ 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 6 words, with their numbers
  1. Occupational Safety15k◆ 0.99×1 topic
  2. Safety Culture15k◆ 0.99×1 topic
  3. Family Presence8,976▲ 1.24×1 topic
  4. Patient-Centered Care8,976▲ 1.24×1 topic
  5. Ionizing Radiation6,514▼ 0.80×1 topic
  6. Radon6,514▼ 0.80×1 topic

Which countries lead Radiological and Ultrasound Technology research?

On research quality in 2022–2025, China, the United States and the United Kingdom rank highest in Radiological and Ultrasound Technology. By volume, the United States and China publish the most (4k and 2.8k works in 2022–2025).

By research quality, 2022–2025

  1. 1 China · #3 all time 25.4% top 10% · 2.8k works
  2. 2 United States · #1 all time 14.3% top 10% · 4k works
  3. 3 United Kingdom · #2 all time 18.2% top 10% · 1.1k works
  4. 4 Australia · #4 all time 27.1% top 10% · 723 works
  5. 5 India · #12 all time 11.1% top 10% · 1.4k works
  6. 6 Canada · #5 all time 20.1% top 10% · 706 works
  7. 7 Italy · #9 all time 23.1% top 10% · 528 works
  8. 8 South Korea · #13 all time 22.5% top 10% · 458 works
  9. 9 Iran · #18 all time 15.4% top 10% · 632 works
  10. 10 Türkiye · #16 all time 10.2% top 10% · 1.1k 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 30 countries ranked in Radiological and Ultrasound Technology. Composite of field-normalised excellence (50%), output (30%) and citations (20%); the bracket is the all-time rank.

All countries ranked in Radiological and Ultrasound Technology

By volume, 2022–2025

  1. 1 United States 4k works
  2. 2 China 2.8k works
  3. 3 India 1.4k works
  4. 4 Türkiye 1.1k works
  5. 5 Brazil 1.1k works
  6. 6 United Kingdom 1.1k works
  7. 7 Indonesia 935 works
  8. 8 Australia 723 works
  9. 9 Canada 706 works
  10. 10 Iran 632 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: 27.6%China: 19.5%India: 9.7%Türkiye: 7.9%6 others listed: 35.4%28%largest
United States3,982 · 27.6%China2,808 · 19.5%India1,397 · 9.7%Türkiye1,133 · 7.9%6 others listed5,112 · 35.4%

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

Which institutions lead Radiological and Ultrasound Technology research?

University of Indonesia (Indonesia) ranks first in Radiological and Ultrasound Technology on research quality in 2022–2025, followed by .

By research quality, 2022–2025

  1. 1 University of Indonesia Indonesia · Depok · #60 all time 4.6% top 10% · 68 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 1 institutions above the floor of 40 fractional works in Radiological and Ultrasound Technology.

Top 100 Radiological and Ultrasound Technology institutions

By volume, 2022–2025

  1. 1 University of IndonesiaIndonesia 68 works
  2. 2 China University of Mining and TechnologyChina 58 works
  3. 3 Universiti Teknologi MARAMalaysia 51 works
  4. 4 University of JohannesburgSouth Africa 51 works
  5. 5 Central South UniversityChina 50 works
  6. 6 Hong Kong Polytechnic UniversityHong Kong 50 works
  7. 7 Tsinghua UniversityChina 48 works
  8. 8 Purdue University West LafayetteUnited States 48 works
  9. 9 University of MichiganUnited States 47 works
  10. 10 University of North Carolina at Chapel HillUnited States 46 works

Who are the leading researchers in Radiological and Ultrasound Technology?

Among the most productive authors in Radiological and Ultrasound Technology, Lisa Hartling, Wilmar B. Schaufeli and Ted R. Miller rank highest on the composite score.

  1. 1 Lisa Hartling Canada · #92 worldwide 5k citations · 144 works
  2. 2 Wilmar B. Schaufeli Netherlands · #130 worldwide 5.3k citations · 157 works
  3. 3 Ted R. Miller United States · #233 worldwide 8.1k citations · 108 works
  4. 4 J. Šolc United States · #253 worldwide 4.8k citations · 160 works
  5. 5 Derek C. Angus United States · #688 worldwide 2.1k citations · 115 works
  6. 6 I. Štekl Czechia · #1,847 worldwide 3.2k citations · 163 works
  7. 7 Olivier Bruyère Belgium · #1,874 worldwide 2k citations · 442 works
  8. 8 Niranjan Kissoon Canada · #2,055 worldwide 1.4k citations · 90 works
  9. 9 Carlos Caldas United Kingdom · #2,558 worldwide 2k citations · 146 works
  10. 10 Eduardo Salas United States · #2,757 worldwide 2.3k citations · 142 works

Re-ranked on the composite score from the 3,598 highest-output authors in Radiological and Ultrasound Technology. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Radiological and Ultrasound Technology researchers

Where is Radiological and Ultrasound Technology research done?

The largest centres of Radiological and Ultrasound Technology research in 2022–2025 are Beijing (China), London (United Kingdom), Istanbul (Türkiye) and Tehran (Iran). Among places with at least 20 works in it, it is an unusually large share of all research in Obninsk and Iranshahr.

Largest cities, 2022–2025

  1. 1 Beijing China 608 works
  2. 2 London United Kingdom 272 works
  3. 3 Istanbul Türkiye 243 works
  4. 4 Tehran Iran 221 works
  5. 5 Seoul South Korea 200 works
  6. 6 Shanghai China 180 works
  7. 7 São Paulo Brazil 177 works
  8. 8 Jakarta Indonesia 166 works
  9. 9 Tokyo Japan 160 works
  10. 10 Melbourne Australia 159 works

Where it is the local speciality

  1. ObninskRU · 20.7 works18×
  2. IranshahrIR · 32.9 works16×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Radiological and Ultrasound Technology than the world average.

See Radiological and Ultrasound Technology on the map

Radiological and Ultrasound Technology research by country

The best places for Radiological and Ultrasound Technology research inside each country, with that country's researchers and world standing.

Where is the best place to study Radiological and Ultrasound Technology?

Among universities, judged by research, Iranshahr University, Hong Kong Polytechnic University and Cranfield University 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%20%40%60%mean 24.96%fractional works in this node (log) →share in the world top 10% →Iranshahr University: 33, 18.6%Hong Kong Polytechnic University: 50, 47.9%Cranfield University: 20, 35.7%Hamedan University of Medical Sciences: 25, 18.0%University of Johannesburg: 51, 19.2%Nanyang Technological University: 11, 53.8%Fukushima University: 13, 15.0%University of Port Harcourt: 38, 2.1%Embry–Riddle Aeronautical University: 16, 33.0%University of Kufa: 38, 6.3%Hong Kong Polytechni…Cranfield UniversityIranshahr UniversityHamedan University o…
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 Iranshahr UniversityIran 64.118.6%16.2×33 +283.7%
2 Hong Kong Polytechnic UniversityHong Kong 62.447.9%2.3×50 +25.0%
3 Cranfield UniversityUnited Kingdom 55.535.7%6.2×20 +88.3%
4 Hamedan University of Medical SciencesIran 55.118.0%9.0×25 +149.7%
5 University of JohannesburgSouth Africa 54.719.2%3.3×51 +360.2%
6 Nanyang Technological UniversitySingapore 54.753.8%0.6×11 +246.2%
7 Fukushima UniversityJapan 54.015.0%24.2×13 +335.2%
8 University of Port HarcourtNigeria 53.22.1%9.1×38 +186.8%
9 Embry–Riddle Aeronautical UniversityUnited States 53.133.0%10.2×16 +3.7%
10 University of KufaIraq 52.86.3%7.6×38 +304.2%

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 Radiological and Ultrasound Technology research growing?

Output in 2018–2022 was 47% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Occupational Health and Safety Research, Family and Patient Care in Intensive Care Units and Radioactivity and Radon Measurements.

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. Occupational Health and Safety Research+137%
  2. Family and Patient Care in Intensive Care Units+131%
  3. Radioactivity and Radon Measurements+73%
← shrinkingno changegrowing →

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

What does Radiological and Ultrasound Technology include?