Michael Bretthauer

16.9k total citations · 1 hit paper
214 papers, 8.0k citations indexed

About

Michael Bretthauer is a scholar working on Oncology, Pulmonary and Respiratory Medicine and Surgery. According to data from OpenAlex, Michael Bretthauer has authored 214 papers receiving a total of 8.0k indexed citations (citations by other indexed papers that have themselves been cited), including 165 papers in Oncology, 111 papers in Pulmonary and Respiratory Medicine and 55 papers in Surgery. Recurrent topics in Michael Bretthauer's work include Colorectal Cancer Screening and Detection (155 papers), Gastric Cancer Management and Outcomes (99 papers) and Genetic factors in colorectal cancer (36 papers). Michael Bretthauer is often cited by papers focused on Colorectal Cancer Screening and Detection (155 papers), Gastric Cancer Management and Outcomes (99 papers) and Genetic factors in colorectal cancer (36 papers). Michael Bretthauer collaborates with scholars based in Norway, United States and Sweden. Michael Bretthauer's co-authors include Mette Kalager, Geir Hoff, Magnus Løberg, Øyvind Holme, Hans‐Olov Adami, Lars Aabakken, Michał F. Kamiński, Tom Grotmol, Ernst J. Kuipers and Eva Skovlund and has published in prestigious journals such as Science, New England Journal of Medicine and The Lancet.

In The Last Decade

Michael Bretthauer

200 papers receiving 7.8k citations

Hit Papers

Cost-effectiveness of artificial intelligence for screeni... 2022 2026 2023 2024 2022 40 80 120
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Cost-effectiveness of artificial intelligence for screening colonoscopy: a modelling study
    2022 126 citations Yuichi Mori, Loredana Correale et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Michael Bretthauer Norway 48 5.6k 4.0k 2.4k 1.5k 753 214 8.0k
Tonya Kaltenbach United States 48 7.1k 1.3× 6.0k 1.5× 3.3k 1.4× 2.2k 1.5× 1.4k 1.9× 244 9.8k
Douglas J. Robertson United States 48 7.8k 1.4× 5.6k 1.4× 2.7k 1.1× 3.2k 2.2× 594 0.8× 154 9.8k
Carol A. Burke United States 49 6.7k 1.2× 4.7k 1.2× 2.9k 1.2× 4.3k 3.0× 712 0.9× 286 10.3k
Gregory S. Cooper United States 52 3.7k 0.7× 2.6k 0.6× 3.5k 1.4× 991 0.7× 1.1k 1.4× 256 8.7k
John Simes Australia 41 2.9k 0.5× 2.5k 0.6× 3.7k 1.5× 597 0.4× 569 0.8× 172 9.1k
Thomas F. Imperiale United States 53 6.7k 1.2× 4.9k 1.2× 3.5k 1.4× 2.7k 1.9× 1.0k 1.4× 212 11.1k
Iris Lansdorp‐Vogelaar Netherlands 49 9.8k 1.8× 5.9k 1.5× 2.9k 1.2× 3.5k 2.4× 302 0.4× 249 11.7k
Samir Gupta United States 45 4.2k 0.8× 2.7k 0.7× 1.8k 0.7× 1.3k 0.9× 264 0.4× 202 6.6k
Joseph C. Anderson United States 40 6.8k 1.2× 4.5k 1.1× 2.2k 0.9× 2.3k 1.6× 280 0.4× 202 9.9k
Kjetil Søreide Norway 46 2.7k 0.5× 2.0k 0.5× 4.1k 1.7× 815 0.6× 878 1.2× 277 8.7k

Countries citing papers authored by Michael Bretthauer

Since Specialization
Citations

This map shows the geographic impact of Michael Bretthauer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Michael Bretthauer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Michael Bretthauer more than expected).

Fields of papers citing papers by Michael Bretthauer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael Bretthauer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Michael Bretthauer. The network helps show where Michael Bretthauer may publish in the future.

Co-authorship network of co-authors of Michael Bretthauer

This figure shows the co-authorship network connecting the top 25 collaborators of Michael Bretthauer. A scholar is included among the top collaborators of Michael Bretthauer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Michael Bretthauer. Michael Bretthauer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Hassan, Cesare, Loredana Correale, Nastazja Pilonis, et al.. (2025). Benefits, burden, and harms of computer aided polyp detection with artificial intelligence in colorectal cancer screening: microsimulation modelling study. PubMed. 4(1). e001446–e001446. 2 indexed citations
2.
Juul, Frederik Emil, Amanda J. Cross, Robert E. Schoen, et al.. (2024). Effectiveness of Colonoscopy Screening vs Sigmoidoscopy Screening in Colorectal Cancer. JAMA Network Open. 7(2). e240007–e240007. 14 indexed citations
3.
Pilonis, Nastazja, Piotr Spychalski, Mette Kalager, et al.. (2024). Adenoma Detection Rates by Physicians and Subsequent Colorectal Cancer Risk. JAMA. 333(5). 400–400. 9 indexed citations
4.
Randel, Kristin Ranheim, Edoardo Botteri, Øyvind Holme, et al.. (2024). Impact of inadequate bowel cleansing in sigmoidoscopy screening. Scandinavian Journal of Gastroenterology. 59(8). 1002–1009.
5.
Jodal, Henriette C., Paulina Wieszczy, Dagmar Klotz, et al.. (2023). A Comparison of Risk Classification Systems of Colorectal Adenomas: A Case-Cohort Study. Gastroenterology. 165(2). 483–491.e7. 4 indexed citations
6.
Bretthauer, Michael & Mette Kalager. (2023). What is my risk, doctor? How to convey disease risk and treatment effects. BMJ. 381. e075289–e075289. 6 indexed citations
7.
8.
Hassan, Cesare, Prateek Sharma, Yuichi Mori, et al.. (2022). Comparative Performance of Artificial Intelligence Optical Diagnosis Systems for Leaving in Situ Colorectal Polyps. Gastroenterology. 164(3). 467–469.e4. 21 indexed citations
9.
Burra, Patrizia, Marianna Arvanitakis, Jorge Amil Dias, et al.. (2022). UEG position paper: Obesity and digestive health. United European Gastroenterology Journal. 10(10). 1199–1201. 4 indexed citations
10.
Juul, Frederik Emil, Henriette C. Jodal, Ishita Barua, et al.. (2021). Mortality in Norway and Sweden during the COVID-19 pandemic. Scandinavian Journal of Public Health. 50(1). 38–45. 23 indexed citations
11.
Wieszczy, Paulina, Elisabeth Waldmann, Magnus Løberg, et al.. (2020). Colonoscopist Performance and Colorectal Cancer Risk After Adenoma Removal to Stratify Surveillance: Two Nationwide Observational Studies. Gastroenterology. 160(4). 1067–1074.e6. 23 indexed citations
12.
Rees, Colin, Roisin Bevan, Matthew D. Rutter, et al.. (2016). Expert opinions and scientific evidence for colonoscopy key performance indicators. Gut. 65(12). 2045–2060. 77 indexed citations
13.
Adami, Hans‐Olov, Péter Csermely, Louise Emilsson, et al.. (2016). Are rapidly growing cancers more lethal?. European Journal of Cancer. 72. 210–214. 10 indexed citations
14.
Holme, Øyvind, Michael Bretthauer, Tor J. Eide, et al.. (2014). Long-term risk of colorectal cancer in individuals with serrated polyps. Gut. 64(6). 929–936. 120 indexed citations
15.
Garborg, Kjetil, Øyvind Holme, Magnus Løberg, et al.. (2013). Current status of screening for colorectal cancer. Annals of Oncology. 24(8). 1963–1972. 117 indexed citations
16.
Løberg, Magnus, et al.. (2011). Nitrous oxide for analgesia in colonoscopy without sedation. Gastrointestinal Endoscopy. 74(6). 1347–1353. 17 indexed citations
17.
Vogel, Stefan de, Jørn Schneede, Per Magne Ueland, et al.. (2011). Biomarkers Related to One-Carbon Metabolism as Potential Risk Factors for Distal Colorectal Adenomas. Cancer Epidemiology Biomarkers & Prevention. 20(8). 1726–1735. 30 indexed citations
18.
Bretthauer, Michael. (2006). Glukosamin har ingen effekt ved artrose. Tidsskrift for Den Norske Laegeforening.
19.
20.
Bretthauer, Michael, et al.. (2002). Carbon Dioxide Insufflation Reduces Discomfort Due to Flexible Sigmoidoscopy in Colorectal Cancer Screening. Scandinavian Journal of Gastroenterology. 37(9). 1103–1107. 38 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Tonya Kaltenbach Breakdown of academic impact, for papers by Douglas J. Robertson Breakdown of academic impact, for papers by Carol A. Burke Breakdown of academic impact, for papers by Gregory S. Cooper Breakdown of academic impact, for papers by John Simes Breakdown of academic impact, for papers by Thomas F. Imperiale Breakdown of academic impact, for papers by Iris Lansdorp‐Vogelaar Breakdown of academic impact, for papers by Samir Gupta Breakdown of academic impact, for papers by Joseph C. Anderson Breakdown of academic impact, for papers by Kjetil Søreide
Rankless by CCL
2026