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- Thomas de Lange
Thomas de Lange
Universitetslektor, adjungerad
Avd för molekylär och klinisk medicin-
4D flow cardiac magnetic resonance in pediatric congenital heart disease: Insights from over four years of clinical
practice
Kerstin M Lagerstrand, Par-Arne Svensson, Linnea Andersson, Anna Nyström, Frida Dangardt, Thomas de Lange
CLINICAL IMAGING - 2025 -
Validating polyp and instrument segmentation methods in colonoscopy through Medico 2020 and MedAI 2021
Challenges
Debesh Jha, Vanshali Sharma, Debapriya Banik, Debayan Bhattacharya, Kaushiki Roy, Steven A. Hicks, Nikhil Kumar Tomar, Vajira Thambawita, Adrian Krenzer, Ge-Peng Ji, Sahadev Poudel, George Batchkala, Saruar Alam, Awadelrahman M. A. Ahmed, Quoc-Huy Trinh, Zeshan Khan, Tien-Phat Nguyen, Shruti Shrestha, Sabari Nathan, Jeonghwan Gwak, Ritika K. Jha, Zheyuan Zhang, Alexander Schlaefer, Debotosh Bhattacharjee, M. K. Bhuyan, Pradip K. Das, Deng-Ping Fan, Sravanthi Parasa, Sharib Ali, Michael A. Riegler, Pal Halvorsen, Thomas de Lange, Ulas Bagci
MEDICAL IMAGE ANALYSIS - 2025 -
A comparative study benchmarking colon polyp with computer-aided detection (CADe)
software
Nikolaos Papachrysos, Pia Helen Smedsrud, Kim V. Anonsen, Tor Jan D. Berstad, Havard Espeland, Andreas Petlund, Per Hedenström, Pal Halvorsen, Jonas Varkey, Hugo L. Hammer, Michael A. Riegler, Thomas de Lange
DEN OPEN - 2025 -
Performance of Faecal Immunochemical Testing for Colorectal Cancer Screening at Varying Positivity
Thresholds
Kristin Ranheim Randel, Edoardo Botteri, Thomas de Lange, Anna Lisa Schult, Sigrun Losada Eskeland, Badboni El-Safadi, Espen R. Norvard, Nils Bolstad, Michael Bretthauer, Geir Hoff, Oyvind Holme
ALIMENTARY PHARMACOLOGY & THERAPEUTICS - 2025 -
Colour Channel Separation and Recombination of Images to Improve Object Detection of Diffuse
Characters
Mayank Roy, Anne Håkansson, Ann-Sofie Backman, Camilla Wijkström, Jonas Varkey, Naz Mohammed Salih, Nikolaos Papachrysos, Olle Mannheimer, Peter Thelin Schmidt, Stephan Brackmann, Thomas de Lange
Procedia Computer Science - 2024 -
A comparative study benchmarking colon polyp detection with CADe
software
Nikolaos Papachrysos, Pia H. Smedsrup, Kim Anonsen, Tor Jan Berstad, Håvard Espeland, Andreas Petlund, Per Hedenström, Pål Halvorsen, Jonas Varkey, Hugo Hammer, Michael Riegler, Thomas de Lange
Endoscopy - 2024 -
Bowel cleansing quality evaluation in colon capsule endoscopy: what is the reference
standard?
Benedicte Schelde-Olesen, Anastasios Koulaouzidis, Ulrik Deding, Ervin Toth, Konstantinos John Dabos, Abraham Eliakim, Cristina Carretero, Begona Gonzalez-Suarez, Xavier Dray, Thomas de Lange, Hanneke Beaumont, Emanuele Rondonotti, Uri Kopylov, Pierre Ellul, Enrique Perez-Cuadrado-Robles, Alexander Robertson, Irene Stenfors, Alejandro Bojorquez, Stefania Piccirelli, Gitte Grunnet Raabe, Reuma Margalit-Yehuda, Isabel Barba, Giulia Scardino, Salome Ouazana, Thomas Bjorsum-Meyer
THERAPEUTIC ADVANCES IN GASTROENTEROLOGY - 2024 -
GastroVision: A Multi-class Endoscopy Image Dataset for Computer Aided Gastrointestinal Disease
Detection
Debesh Jha, Vanshali Sharma, Neethi Dasu, Nikhil Kumar Tomar, Steven Hicks, M. K. Bhuyan, Pradip K. Das, Michael A. Riegler, Pål Halvorsen, Ulas Bagci, Thomas de Lange
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - 2024 -
Impact of inadequate bowel cleansing in sigmoidoscopy
screening
Kristin Ranheim Randel, Anna Lisa Schult, Edoardo Botteri, Mobina Nawaz, Dung Hong Nguyen, Oyvind Holme, Michael Bretthauer, Geir Hoff, Thomas de Lange
SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY - 2024 -
Visual explanations for polyp detection: How medical doctors assess intrinsic versus extrinsic
explanations
Steven Hicks, Andrea Storas, Michael A. Riegler, Cise Midoglu, Malek Hammou, Thomas de Lange, Sravanthi Parasa, Pal Halvorsen, Inga Struemke
PLOS ONE - 2024 -
ViTCA-Net: a framework for disease detection in video capsule endoscopy images using a vision transformer and convolutional neural network with a specific attention
mechanism
Yassine Oukdach, Zakaria Kerkaou, Mohamed El Ansari, Lahcen Koutti, Ahmed Fouad El Ouafdi, Thomas de Lange
MULTIMEDIA TOOLS AND APPLICATIONS - 2024 -
Impact of AI-aided colonoscopy in clinical practice: a prospective randomised controlled
trial
Johanna Scholer, Marko Alavanja, Thomas de Lange, Shunsuke Yamamoto, Per Hedenstrom, Jonas Varkey
BMJ OPEN GASTROENTEROLOGY - 2024 -
Assessing generalisability of deep learning-based polyp detection and segmentation methods through a computer vision
challenge
Sharib Ali, Noha Ghatwary, Debesh Jha, Ece Isik-Polat, Gorkem Polat, Chen Yang, Wuyang Li, Adrian Galdran, Miguel-Angel Gonzalez Ballester, Vajira Thambawita, Steven Hicks, Sahadev Poudel, Sang-Woong Lee, Ziyi Jin, Tianyuan Gan, Chenghui Yu, Jiangpeng Yan, Doyeob Yeo, Hyunseok Lee, Nikhil Kumar Tomar, Mahmood Haithami, Amr Ahmed, Michael A. Riegler, Christian Daul, Pal Halvorsen, Jens Rittscher, Osama E. Salem, Dominique Lamarque, Renato Cannizzaro, Stefano Realdon, Thomas de Lange, James E. East
SCIENTIFIC REPORTS - 2024 -
A multi-centre polyp detection and segmentation dataset for generalisability
assessment.
Sharib Ali, Debesh Jha, Noha Ghatwary, Stefano Realdon, Renato Cannizzaro, Osama E Salem, Dominique Lamarque, Christian Daul, Michael A Riegler, Kim V Anonsen, Andreas Petlund, Pål Halvorsen, Jens Rittscher, Thomas de Lange, James E East
Scientific data - 2023 -
Diagnostic yield for video capsule endoscopy in gastrointestinal graft- versus -host disease: a systematic review and
metaanalysis.
Jonas Varkey, Viktor Jonsson, Eva Hessman, Thomas de Lange, Per Hedenström, Mihai Oltean
Scandinavian journal of gastroenterology - 2023 -
Type and Severity of Mental Illness and Participation in Colorectal Cancer
Screening.
Benedicte Kirkøen, Paula Berstad, Geir Hoff, Tomm Bernklev, Kristin R Randel, Øyvind Holme, Thomas de Lange, Kathryn A Robb, Edoardo Botteri
American journal of preventive medicine - 2023 -
Man vs. AI: An in silico study of polyp detection
performance
Pia Helen Smedsrud, Havard Espeland, Tor Jan Derek Berstad, Andreas Petlund, Thomas de Lange, Michael A. Riegler, Pal Halvorsen
Proceedings - IEEE Symposium on Computer-Based Medical Systems - 2023 -
Colonoscopy quality improvement after initial training: A cross-sectional study of intensive short-term
training
A. L. Schult, G. Hoff, O. Holme, E. Botteri, B. Seip, K. R. Randel, O. Darre-Naess, T. Owen, J. A. Nilsen, D. H. Nguyen, K. Johansen, Thomas de Lange
Endoscopy International Open - 2023 -
SinGAN-Seg: Synthetic training data generation for medical image
segmentation
V. Thambawita, P. Salehi, S. A. Sheshkal, S. A. Hicks, H. L. Hammer, S. Parasa, Thomas de Lange, P. Halvorsen, M. A. Riegler
PLoS ONE - 2022 -
Characteristics of non-participants in a randomized colorectal cancer screening trial comparing sigmoidoscopy and faecal immunochemical
testing.
Edoardo Botteri, Geir Hoff, Kristin R Randel, Øyvind Holme, Thomas de Lange, Tomm Bernklev, Eline Aas, Mona Berthelsen, Erik Natvig, Benedicte Kirkøen, Markus D Knudsen, Ane S Kvaerner, Anna L Schult, Giske Ursin, Anita Jørgensen, Paula Berstad
International journal of cancer - 2022 -
Key research questions for implementation of artificial intelligence in capsule
endoscopy
R. Leenhardt, A. Koulaouzidis, A. Histace, G. Baatrup, S. Beg, A. Bourreille, Thomas de Lange, R. Eliakim, D. Iakovidis, M. D. Jensen, M. Keuchel, R. M. Yehuda, D. McNamara, M. Mascarenhas, C. Spada, S. Segui, P. Smedsrud, E. Toth, G. E. Tontini, E. Klang, X. Dray, U. Kopylov
Therapeutic Advances in Gastroenterology - 2022 -
A comprehensive analysis of classification methods in gastrointestinal endoscopy
imaging
Debesh Jha, Sharib Ali, Steven Hicks, Vajira Thambawita, Hanna Borgli, Pia H. Smedsrud, Thomas de Lange, Konstantin Pogorelov, Xiaowei Wang, Philipp Harzig, Minh Triet Tran, Wenhua Meng, Trung Hieu Hoang, Danielle Dias, Tobey H. Ko, Taruna Agrawal, Olga Ostroukhova, Zeshan Khan, Muhammad Atif Tahir, Yang Liu, Yuan Chang, Mathias Kirkerød, Dag Johansen, Mathias Lux, Håvard D. Johansen, Michael A. Riegler, Pål Halvorsen
Medical Image Analysis - 2021 -
Detection of cancers and advanced adenomas in asymptomatic participants in colorectal cancer screening: a cross-sectional
study
A. L. Schult, E. Botteri, G. Hoff, K. R. Randel, E. Dalén, S. L. Eskeland, Ø Holme, Thomas de Lange
BMJ Open - 2021 -
A Comprehensive Study on Colorectal Polyp Segmentation with ResUNet++, Conditional Random Field and Test-Time
Augmentation
D. Jha, P. H. Smedsrud, D. Johansen, Thomas de Lange, H. Johansen, P. Halvorsen, M. Riegler
IEEE Journal of Biomedical and Health Informatics - 2021 -
Women require routine opioids to prevent painful colonoscopies: a randomised controlled
trial
A. L. Schult, E. Botteri, G. Hoff, O. Holme, M. Bretthauer, K. R. Randel, E. H. Gulichsen, B. El-Safadi, I. Barua, C. Munck, L. R. Nilsen, H. M. Svendsen, Thomas de Lange
Scandinavian Journal of Gastroenterology - 2021 -
Artificial intelligence, capsule endoscopy, databases, and the Sword of
Damocles.
Xavier Dray, Ervin Toth, Thomas de Lange, Anastasio Koulaouzidis
Endoscopy international open - 2021 -
The CRCbiome study: a large prospective cohort study examining the role of lifestyle and the gut microbiome in colorectal cancer screening
participants
A. S. Kvaerner, E. Birkeland, C. Bucher-Johannessen, E. Vinberg, J. I. Nordby, H. Kangas, V. Bemanian, P. Ellonen, E. Botteri, E. Natvig, T. Rognes, E. Hovig, R. Lyle, O. H. Ambur, W. M. de Vos, S. Bultman, A. Hjartaker, R. Landberg, M. Y. Song, H. S. Blix, G. Ursin, K. R. Randel, Thomas de Lange, G. Hoff, O. Holme, P. Berstad, T. B. Rounge
Bmc Cancer - 2021 -
Kvasir-Capsule, a video capsule endoscopy
dataset
P. H. Smedsrud, V. Thambawita, S. A. Hicks, H. Gjestang, O. O. Nedrejord, E. Naess, H. Borgli, D. Jha, T. J. D. Berstad, S. L. Eskeland, M. Lux, H. Espeland, A. Petlund, D. T. D. Nguyen, E. Garcia-Ceja, D. Johansen, P. T. Schmidt, E. Toth, H. L. Hammer, Thomas de Lange, M. A. Riegler, P. Halvorsen
Scientific Data - 2021 -
HyperKvasir, a comprehensive multi-class image and video dataset for gastrointestinal
endoscopy
Hanna Borgli, Vajira Thambawita, Pia H. Smedsrud, Steven Hicks, Debesh Jha, Sigrun L. Eskeland, Kristin Ranheim Randel, Konstantin Pogorelov, Mathias Lux, Duc Tien Dang Nguyen, Dag Johansen, Carsten Griwodz, Håkon K. Stensland, Enrique Garcia-Ceja, Peter T. Schmidt, Hugo L. Hammer, Michael A. Riegler, Pål Halvorsen, Thomas de Lange
Scientific Data - 2020 -
Colorectal Cancer Screening With Repeated Fecal Immunochemical Test Versus Sigmoidoscopy: Baseline Results From a Randomized
Trial
K. R. Randel, A. L. Schult, E. Botteri, G. Hoff, M. Bretthauer, G. Ursin, E. Natvig, P. Berstad, A. Jorgensen, P. K. Sandvei, M. E. Olsen, S. O. Frigstad, O. Darre-Naess, E. R. Norvard, N. Bolstad, H. Korner, A. Wibe, K. A. Wensaas, Thomas de Lange, O. Holme
Gastroenterology - 2020 -
Training endoscopy in Europe: an urgent call to
action
Thomas de Lange
Endosc Int Open - 2020 -
Registration bias in a clinical quality
register.
Geir Hoff, Thomas de Lange, Michael Bretthauer, Stein Dahler, Fred-Arne Halvorsen, Gert Huppertz-Hauss, Ole Høie, Øystein Kjellevold, Volker Mortiz, Per Sandvei, Birgitte Seip, Øyvind Holme
Endoscopy international open - 2019 -
Effects of Oral Anticoagulants and Aspirin on Performance of Fecal Immunochemical Tests in Colorectal Cancer
Screening.
Kristin Ranheim Randel, Edoardo Botteri, Katrine Maria Kauczynska Romstad, Svein Oskar Frigstad, Michael Bretthauer, Geir Hoff, Thomas de Lange, Øyvind Holme
Gastroenterology - 2019 -
Continuous development of colorectal cancer screening
programs
G. Hoff, G. Ursin, M. Loberg, Thomas de Lange, E. Skovlund, O. Holme
Acta Oncol - 2019 -
DEEP LEARNING FOR AUTOMATIC GENERATION OF ENDOSCOPY
REPORTS
Steven Hicks, Pia H Smedsrud, Michael A Riegler, Thomas de Lange, Andreas Petlund, Sigrun L Eskeland, Konstantin Pogorelov, Peter T Schmidt, Pål Halvorsen
2019 -
Electronic checklists improve referral letters in gastroenterology: a randomized vignette
survey.
Sigrun Losada Eskeland, Corina Silvia Rueegg, Cathrine Brunborg, Lars Aabakken, Thomas de Lange
International journal for quality in health care : journal of the International Society for Quality in Health Care - 2018 -
Performance measures for endoscopy services: a European Society of Gastrointestinal Endoscopy (ESGE) Quality Improvement
Initiative
R. Valori, G. Cortas, Thomas de Lange, O. S. Balfaqih, M. de Pater, P. Eisendrath, P. Falt, I. Koruk, A. Ono, N. Rustemovic, E. Schoon, A. Veitch, C. Senore, C. Bellisario, S. Minozzi, C. Bennett, M. Bretthauer, M. Dinis-Ribeiro, D. Domagk, C. Hassan, M. F. Kaminski, C. J. Rees, C. Spada, R. Bisschops, M. Rutter
Endoscopy - 2018 -
Deep learning and handcrafted feature based approaches for automatic detection of
angiectasia
K. Pogorelov K. Pogorelov, O. Ostroukhova O. Ostroukhova, A. Petlund A. Petlund, P. Halvorsen P. Halvorsen, Thomas de Lange, H. N. Espeland H. N. Espeland, T. Kupka T. Kupka, C. Griwodz C. Griwodz, M. Riegler M. Riegler
IEEE Xplore: IEEE Transactions on Terahertz Science and Technology - 2018 -
Evaluating gut microbiota profiles from archived fecal
samples
T. B. Rounge, R. Meisal, J. I. Nordby, O. H. Ambur, Thomas de Lange, G. Hoff
BMC Gastroenterol - 2018 -
Improving Cancer Preventive Behaviors: A Randomized Trial of Tailored Lifestyle Feedback in Colorectal Cancer
Screening
M. D. Knudsen, A. Hjartaker, K. A. Robb, Thomas de Lange, G. Hoff, P. Berstad
Cancer Epidemiol Biomarkers Prev - 2018 -
Changes in health behavior 1 year after testing negative at a colorectal cancer screening: a randomized-controlled
study
M. D. Knudsen, A. Hjartaker, M. K. E. Olsen, G. Hoff, Thomas de Lange, T. Bernklev, P. Berstad
Eur J Cancer Prev - 2018 -
Endoscopy assistants influence the quality of
colonoscopy
O. Holme, I. B. Pedersen, A. W. Medhus, L. Aabakken, T. Glomsaker, J. M. Kvamme, M. Loberg, M. Bretthauer, B. Seip, O. Kjellevold, A. Jorgensen, S. Furholm, G. Hoff, Thomas de Lange
Endoscopy - 2018 -
Dissecting Deep Neural Networksfor Better Medical Image Classification andClassification
Understanding
Steven Alexander Hicks, Michael Riegler, Konstantin Pogorelov, Kim Vidar Ånonsen, Thomas de Lange, Dag Johansen, Mattis Jeppsson, Kristin Ranheim Randel, Sigrun Losada Eskeland, Pål Halvorsen
IEEE Xplore: IEEE Transactions on Terahertz Science and Technology - 2018 -
Mimir: an automatic reporting and reasoning system for deep learning based analysis in the medical
domain
Steven Alexander Hicks, Sigrun Losada Eskeland, Mathias Lux, Thomas de Lange, Kristin Ranheim Randel, Mattis Jeppsson, Konstantin Pogorelov, Pål Halvorsen, Michael Riegler
MMSys '18: Proceedings of the 9th ACM Multimedia Systems Conference - 2018 -
Methodology to develop machine learning algorithms to improve performance in gastrointestinal
endoscopy
Thomas de Lange, P. Halvorsen, M. Riegler
World J Gastroenterol - 2018 -
Exploring the effect of a lifestyle intervention on cancer risk: 43-year follow-up of the randomized Oslo diet and antismoking
study
E. Botteri, Thomas de Lange, S. Tonstad, P. Berstad
Journal of Internal Medicine - 2018 -
How Many Deaths from Colorectal Cancer Can Be Prevented by 2030? A Scenario-Based Quantification of Risk Factor Modification, Screening, and Treatment in
Norway
K. D. Skyrud, T. A. Myklebust, F. Bray, M. T. Eriksen, Thomas de Lange, I. K. Larsen, B. Moller
Cancer Epidemiol Biomarkers Prev - 2017 -
From Annotation to Computer-Aided
Diagnosis
Michael Riegler, Konstantin Pogorelov, Sigrun Losada Eskeland, Peter Thelin Schmidt, Zeno Albisser, Dag Johansen, Carsten Griwodz, Pål Halvorsen, Thomas de Lange
ACM Transactions on Multimedia Computing, Communications, and Applications - 2017 -
Efficient disease detection in gastrointestinal videos – global features versus neural
networks
Konstantin Pogorelov, Michael Riegler, Sigrun Losada Eskeland, Thomas de Lange, Dag Johansen, Carsten Griwodz, Peter Thelin Schmidt, Pål Halvorsen
Multimedia Tools and Applications - 2017 -
Sigmoidoscopy and faecal occult blood test - a comparative screening
trial
Thomas de Lange, K. R. Randel, A. L. Schult, M. D. Knudsen, B. Kirkoen, E. Botteri, P. Berstad, A. Jorgensen, G. Ursin, M. Bretthauer, G. Hoff
Tidsskr Nor Laegeforen - 2017
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