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Topic · Surgery

Cervical and Thoracic Myelopathy

Cervical and Thoracic Myelopathy is a research topic within Surgery. Science Explorer counts 28k research works in it since 1951. 9.8% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on various surgical interventions and complications related to the cervical spine, including anterior cervical discectomy, fusion, myelopathy, degenerative disc disease, adjacent segment degeneration, dysphagia, cervical arthroplasty, laminoplasty, and ossification of the posterior longitudinal ligament.

  • Cervical Spine Surgery
  • Anterior Cervical Discectomy
  • Cervical Fusion
  • Myelopathy
  • Degenerative Disc Disease
  • Adjacent Segment Degeneration
  • Dysphagia
  • Cervical Arthroplasty
  • Laminoplasty
  • Ossification of Posterior Longitudinal Ligament
Research works
28k
fractional, since 1951
In the world top 10%
2.7k
per year above
Top-10% rate
9.8%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+20%
the tick is no change
Largest producer
United States
33% of the 10 largest, 2022-now

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

Which countries lead Cervical and Thoracic Myelopathy research?

By volume, the United States and China publish the most (1.8k and 1.8k works in 2022-now).

By volume, 2022-now

  1. 1 United States 1.8k works
  2. 2 China 1.8k works
  3. 3 Japan 469 works
  4. 4 South Korea 366 works
  5. 5 India 349 works
  6. 6 Germany 202 works
  7. 7 Türkiye 175 works
  8. 8 United Kingdom 172 works
  9. 9 Italy 152 works
  10. 10 Canada 142 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: 32.6%China: 31.4%Japan: 8.3%South Korea: 6.5%6 others listed: 21.2%33%largest
United States1,834 · 32.6%China1,770 · 31.4%Japan469 · 8.3%South Korea366 · 6.5%6 others listed1,191 · 21.2%

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

Which institutions lead Cervical and Thoracic Myelopathy research?

By volume in 2022-now, Capital Medical University publishes the most Cervical and Thoracic Myelopathy research, followed by Peking University and Sichuan University.

Who are the leading researchers in Cervical and Thoracic Myelopathy?

The most-cited researchers publishing on Cervical and Thoracic Myelopathy include Graeme J. Hankey, Dan J. Stein and Patrick M. Bossuyt.

  1. 1 Graeme J. Hankey Australia 316k citations
  2. 2 Dan J. Stein South Africa 306k citations
  3. 3 Patrick M. Bossuyt Netherlands 270k citations
  4. 4 Roger Chou United States 248k citations
  5. 5 Rahman Shiri Finland 238k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Cervical and Thoracic Myelopathy?

The most cited paper in Cervical and Thoracic Myelopathy is "Magnetic Resonance Classification of Lumbar Intervertebral Disc Degeneration" (Christian W. A. Pfirrmann, Alexander Metzdorf, Marco Zanetti et al., 2001), with 4,061 citations. Next come "Wegener Granulomatosis: An Analysis of 158 Patients" (2,881) and "Abnormal magnetic-resonance scans of the cervical spine in asymptomatic subjects. A prospective investigation." (2,487).

Most cited papers
#PaperReleasedCitations
1 Magnetic Resonance Classification of Lumbar Intervertebral Disc Degeneration Christian W. A. Pfirrmann, Alexander Metzdorf, Marco Zanetti et al. · Spine Sep 2001 4,061
2 Wegener Granulomatosis: An Analysis of 158 Patients Gary Stuart Hoffman, Gail S. Kerr, Randi Y. Leavitt et al. · Annals of Internal Medicine 15 Mar 1992 2,881
3 Abnormal magnetic-resonance scans of the cervical spine in asymptomatic subjects. A prospective investigation. Scott D. Boden, P R McCowin, D O Davis et al. · Journal of Bone and Joint Surgery Sep 1990 2,487
4 Magnetic Resonance Imaging of the Lumbar Spine in People without Back Pain Maureen C. Jensen, Michael N Brant-Zawadzki, Nancy A. Obuchowski et al. · New England Journal of Medicine Open access 14 Jul 1994 2,421
5 The value of postural reduction in the initial management of closed injuries of the spine with paraplegia and tetraplegia Hans L. Frankel, Darrell Hancock, George H. Hyslop et al. · Spinal Cord Nov 1969 2,292
All 97 most cited papers, with filters and sorting

Where is Cervical and Thoracic Myelopathy research done?

The largest centres of Cervical and Thoracic Myelopathy research in 2022-now are Beijing (China), Seoul (South Korea), New York (United States) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Rockville Centre and Phoenix.

Largest cities, 2022-now

  1. 1 BeijingChina 271 works
  2. 2 SeoulSouth Korea 183 works
  3. 3 New YorkUnited States 149 works
  4. 4 ShanghaiChina 135 works
  5. 5 TokyoJapan 108 works
  6. 6 GuangzhouChina 104 works
  7. 7 PhiladelphiaUnited States 90 works
  8. 8 ChengduChina 89 works
  9. 9 ChicagoUnited States 67 works
  10. 10 IstanbulTürkiye 61 works

Where it is the local speciality

  1. Rockville CentreUS · 57.0 works59×
  2. PhoenixUS · 31.2 works14×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Cervical and Thoracic Myelopathy than the world average.

See Cervical and Thoracic Myelopathy on the map

Where is the best place to study Cervical and Thoracic Myelopathy?

Among universities, judged by research, Cornell University, Capital Medical University and University of Zurich 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 18.17%fractional works in this field (log) →share of work in the world top 10% →University of ZurichCornell UniversityBrown UniversityCapital Medical Univ…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Cornell UniversityUnited States 70.720.2%4.3×35 +37.3%
2Capital Medical UniversityChina 70.314.1%12.5×82 +96.9%
3University of ZurichSwitzerland 67.023.5%4.0×17 +39.7%
4Brown UniversityUnited States 62.718.2%9.1×26 +50.2%
5Humanitas UniversityItaly 62.025.5%9.2×8 +292.0%
6Sichuan UniversityChina 60.713.1%4.3×60 +17.5%
7Yonsei UniversitySouth Korea 60.216.8%5.5×31 +20.9%
8Thomas Jefferson UniversityUnited States 59.916.6%14.1×19 +27.6%
9University of TorontoCanada 59.819.7%2.1×26 -13.9%
10Soochow UniversityChina 59.114.0%5.6×33 +23.5%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Cervical and Thoracic Myelopathy, country by country

Is Cervical and Thoracic Myelopathy research growing?

Output in 2022-2025 was 20% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Cervical and Thoracic Myelopathy.

still counting19801990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Cervical and Thoracic Myelopathy as a percentage of every work published that year, 0.026% in 2024.

still counting0.020%0.040%Cervical and Thoracic Myelopathy0.031% in 202519801990200020102020

Fractional works of Cervical and Thoracic Myelopathy over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Cervical and Thoracic Myelopathy9.9% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

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.

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