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Topic · Epidemiology

Microscopic Colitis

Microscopic Colitis is a research topic within Epidemiology. Science Explorer counts 28k research works in it since 1950. 10.3% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the epidemiology, pathophysiology, diagnosis, and treatment of microscopic colitis, including collagenous colitis and lymphocytic colitis. It covers topics such as budesonide treatment, histological features, drug-induced colitis, and the association with other gastrointestinal tract disorders and inflammatory bowel disease. The papers also discuss the impact of proton pump inhibitors and other medications on the development of microscopic colitis.

  • Microscopic Colitis
  • Collagenous Colitis
  • Lymphocytic Colitis
  • Budesonide Treatment
  • Epidemiological Study
  • Histological Features
  • Drug-Induced Colitis
  • Gastrointestinal Tract Disorders
  • Inflammatory Bowel Disease
  • Proton Pump Inhibitors
Research works
28k
fractional, since 1950
In the world top 10%
2.9k
per year above
Top-10% rate
10.3%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+6%
the tick is no change
Largest producer
United States
38% of the 10 largest, 2022-now
Microscopic Colitis

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

Which countries lead Microscopic Colitis research?

By volume, the United States and China publish the most (1.4k and 446 works in 2022-now).

By volume, 2022-now

  1. 1 United States 1.4k works
  2. 2 China 446 works
  3. 3 United Kingdom 364 works
  4. 4 Italy 302 works
  5. 5 Spain 251 works
  6. 6 Japan 227 works
  7. 7 Canada 213 works
  8. 8 Germany 200 works
  9. 9 India 155 works
  10. 10 Australia 144 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: 38.3%China: 11.9%United Kingdom: 9.8%Italy: 8.1%6 others listed: 31.9%38%largest
United States1,430 · 38.3%China446 · 11.9%United Kingdom364 · 9.8%Italy302 · 8.1%6 others listed1,190 · 31.9%

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

Which institutions lead Microscopic Colitis research?

By volume in 2022-now, Harvard University publishes the most Microscopic Colitis research, followed by Mayo Clinic and Mount Sinai Health System.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 63 works
  2. 2 Mayo ClinicUnited States 58 works
  3. 3 Mount Sinai Health SystemUnited States 45 works
  4. 4 University of North Carolina at Chapel HillUnited States 42 works
  5. 5 Tel Aviv UniversityIsrael 37 works
  6. 6 Cleveland ClinicUnited States 37 works
  7. 7 University of ChicagoUnited States 32 works
  8. 8 InsermFrance 30 works
  9. 9 University of TorontoCanada 27 works
  10. 10 University of CalgaryCanada 26 works

Who are the leading researchers in Microscopic Colitis?

The most-cited researchers publishing on Microscopic Colitis include David Moher, Douglas G. Altman and Ahmedin Jemal.

  1. 1 David Moher Canada 898k citations
  2. 2 Douglas G. Altman United Kingdom 862k citations
  3. 3 Ahmedin Jemal United States 761k citations
  4. 4 Eric S. Lander United States 524k citations
  5. 5 Rob Knight United States 468k citations
  6. 6 Walter Churchill Willett United States 411k citations
  7. 7 Mark J. Daly United States 403k citations
  8. 8 Peer Bork Germany 396k citations
  9. 9 Hermann Brenner Germany 343k citations
  10. 10 Cyrus Cooper United Kingdom 342k 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 Microscopic Colitis?

The most cited paper in Microscopic Colitis is "Molecular-phylogenetic characterization of microbial community imbalances in human inflammatory bowel diseases" (Daniel N. Frank, Allison L. St. Amand, Robert A. Feldman et al., 2007), with 4,661 citations. Next come "Faecalibacterium prausnitzii is an anti-inflammatory commensal bacterium identified by gut microbiota analysis of Crohn disease patients" (4,444) and "Ulcerative colitis" (3,581).

Most cited papers
#PaperReleasedCitations
1 Molecular-phylogenetic characterization of microbial community imbalances in human inflammatory bowel diseases Daniel N. Frank, Allison L. St. Amand, Robert A. Feldman et al. · Proceedings of the National Academy of Sciences Open access 15 Aug 2007 4,661
2 Faecalibacterium prausnitzii is an anti-inflammatory commensal bacterium identified by gut microbiota analysis of Crohn disease patients Harry Sokol, Bénédicte Pigneur, Laurie Watterlot et al. · Proceedings of the National Academy of Sciences Open access 20 Oct 2008 4,444
3 Ulcerative colitis Ryan C. Ungaro, Saurabh Mehandru, Patrick B. Allen et al. · The Lancet Open access 30 Nov 2016 3,581
4 Global Prevalence of Helicobacter pylori Infection: Systematic Review and Meta-Analysis Jurenne D. Hooi, Wan Ying Lai, Wee Khoon Ng et al. · Gastroenterology ReviewOpen access 27 Apr 2017 3,471
5 Toward an Integrated Clinical, Molecular and Serological Classification of Inflammatory Bowel Disease: Report of a Working Party of the 2005 Montreal World Congress of Gastroenterology Mark S. Silverberg et al. · Canadian Journal of Gastroenterology Open access 2005 3,422
All 99 most cited papers, with filters and sorting

Where is Microscopic Colitis research done?

The largest centres of Microscopic Colitis research in 2022-now are New York (United States), London (United Kingdom), Madrid (Spain) and Tokyo (Japan).

Largest cities, 2022-now

  1. 1 New YorkUnited States 119 works
  2. 2 LondonUnited Kingdom 100 works
  3. 3 MadridSpain 63 works
  4. 4 TokyoJapan 60 works
  5. 5 ClevelandUnited States 60 works
  6. 6 RomeItaly 59 works
  7. 7 SeoulSouth Korea 56 works
  8. 8 BostonUnited States 55 works
  9. 9 BeijingChina 54 works
  10. 10 ChicagoUnited States 53 works
See Microscopic Colitis on the map

Where is the best place to study Microscopic Colitis?

Among universities, judged by research, Humanitas University, Harvard University and University of Copenhagen 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%mean 19.29%fractional works in this field (log) →share of work in the world top 10% →Vita-Salute San Raff…Humanitas UniversityUniversity of Copenh…Harvard University
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
1Humanitas UniversityItaly 72.226.8%24.7×18 +15.6%
2Harvard UniversityUnited States 63.513.3%4.0×63 -21.7%
3University of CopenhagenDenmark 62.114.1%5.0×24 +22.7%
4Vita-Salute San Raffaele UniversityItaly 61.227.7%13.2×8 +567.9%
5Aalborg UniversityDenmark 61.131.2%2.9×8 +17.1%
6Karolinska InstitutetSweden 60.714.7%6.0×17 +35.1%
7Tel Aviv UniversityIsrael 58.010.8%9.4×37 +9.1%
8University of OsloNorway 57.526.0%4.3×14 -26.2%
9University of CalgaryCanada 57.111.2%7.6×26 +17.9%
10KU LeuvenBelgium 56.817.1%5.0×24 -15.2%

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 Microscopic Colitis, country by country

Is Microscopic Colitis research growing?

Output in 2022-2025 was 6% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Microscopic Colitis.

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 Microscopic Colitis as a percentage of every work published that year, 0.025% in 2024.

still counting0.020%0.040%Microscopic Colitis0.025% in 202519801990200020102020

Fractional works of Microscopic Colitis 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%Microscopic Colitis10.4% 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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