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Robert H. Riddell

Active 1974–2023

83
Papers
24,617
Citations
69
h-index
83
i10-index

Citations

Citations per year for Robert H. Riddell1976: 2 citations1977: 1 citations1978: 3 citations1979: 4 citations1980: 3 citations1981: 5 citations1982: 16 citations1983: 13 citations1984: 15 citations1985: 19 citations1986: 21 citations1987: 25 citations1988: 36 citations1989: 16 citations1990: 29 citations1991: 46 citations1992: 52 citations1993: 39 citations1994: 52 citations1995: 37 citations1996: 44 citations1997: 40 citations1998: 65 citations1999: 123 citations2000: 131 citations2001: 119 citations2002: 103 citations2003: 125 citations2004: 82 citations2005: 179 citations2006: 241 citations2007: 187 citations2008: 202 citations2009: 166 citations2010: 177 citations2011: 177 citations2012: 127 citations2013: 151 citations2014: 134 citations2015: 154 citations2016: 149 citations2017: 127 citations2018: 156 citations2019: 606 citations2020: 567 citations2021: 510 citations2022: 370 citations2023: 300 citations2024: 388 citations2025: 191 citations2026: 5 citations

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 2,326 citing papers, 23.6% of this breakdownUnited Kingdom: 744 citing papers, 7.6% of this breakdownCanada: 663 citing papers, 6.7% of this breakdownItaly: 568 citing papers, 5.8% of this breakdownGermany: 514 citing papers, 5.2% of this breakdownChina: 433 citing papers, 4.4% of this breakdownFrance: 407 citing papers, 4.1% of this breakdownJapan: 393 citing papers, 4% of this breakdownNetherlands: 367 citing papers, 3.7% of this breakdownSpain: 284 citing papers, 2.9% of this breakdownAustralia: 246 citing papers, 2.5% of this breakdownBelgium: 245 citing papers, 2.5% of this breakdown
0%23.6%Other 27%

Institutions

Fields

  • Medicine50.6%
  • Biochemistry, Genetics and Molecular Biology39.4%
  • Immunology and Microbiology3.8%
  • Neuroscience1.6%
  • Computer Science1.1%
  • Nursing0.6%
  • Other2.9%

Topics

  • Inflammatory Bowel Disease12.7%
  • Microscopic Colitis5.7%
  • Colorectal Cancer Screening and Detection3.9%
  • Gastric Cancer Management and Outcomes3.1%
  • Helicobacter pylori-related gastroenterology studies2.9%
  • Inflammatory mediators and NSAID effects2.7%
  • Other69%

Coauthors

All papers

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  1. 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

    Authors: Mark S. Silverberg, Jack Satsangi, Tariq Ahmad, Ian Arnott, Çharles N. Bernstein, Steven R. Brant, R. Caprilli, Jean–Frédéric Colombel, Christoph Gasché, Karel Geboes, Derek P. Jewell, Amir Karban, Edward V. Loftus, A. S. Peña, Robert H. Riddell, David B. Sachar, Stefan Schreiber, A. Hillary Steinhart, Stephan R. Targan, Séverine Vermeire, Bryan F. Warren - Canadian Journal of Gastroenterology 2005 cited by 3,392

  2. Selecting Therapeutic Targets in Inflammatory Bowel Disease (STRIDE): Determining Therapeutic Goals for Treat-to-Target

    Authors: Laurent Peyrin‐Biroulet, William J. Sandborn, Bruce E. Sands, Walter Reinisch, Willem A. Bemelman, Robert V. Bryant, Geert D’Haens, Iris Dotan, Marla C. Dubinsky, Brian G. Feagan, Gionata Fiorino, Richard B. Gearry, Suneeta Krishnareddy, Péter L. Lakatos, Edward V. Loftus, Philippe Marteau, Pia Munkholm, Travis B. Murdoch, Íngrid Ordás, Remo Panaccione, Robert H. Riddell, Joannie Ruel, David T. Rubin, Mark Samaan, Corey A. Siegel, Mark S. Silverberg, Jaap Stoker, S Schreiber, Simon Travis, Gert Van Assche, Silvio Danese, Julián Panés, Guillaume Bouguen, Sarah O’Donnell, Benjamin Pariente, Shawn Winer, Stephen B. Hanauer, J -F Colombel - The American Journal of Gastroenterology 2015 cited by 1,838

  3. Recommendations for reporting tumor budding in colorectal cancer based on the International Tumor Budding Consensus Conference (ITBCC) 2016

    Authors: Alessandro Lugli, Richard Kirsch, Yoichi Ajioka, Fred T. Bosman, Gieri Cathomas, Heather Dawson, Hala El Zimaity, Jean-François Fléjou, Tine Plato Hansen, Arndt Hartmann, Sanjay Kakar, Cord Langner, Irıs D. Nagtegaal, Giacomo Puppa, Robert H. Riddell, Ari Ristimäki, Kieran Sheahan, Thomas C. Smyrk, Kenichi Sugihara, Benoît Terris, Hideki Ueno, Michael Vieth, Inti Zlobec, Philip Quirke - Modern Pathology 2017 cited by 1,154

  4. Development and validation of a histological index for UC

    Authors: Mahmoud Mosli, Brian G. Feagan, Guangyong Zou, William J. Sandborn, Geert D’Haens, Reena Khanna, Lisa M. Shackelton, Christopher W. Walker, Sigrid Nelson, Margaret K. Vandervoort, Valerie Frisbie, Mark Samaan, Vipul Jairath, David K. Driman, Karel Geboes, Mark A. Valasek, Rish K. Pai, Gregory Y. Lauwers, Robert H. Riddell, Larry Stitt, Barrett G. Levesque - Gut 2015 cited by 349

  5. Cancer-Associated Fibroblasts Drive the Progression of Metastasis through both Paracrine and Mechanical Pressure on Cancer Tissue

    Authors: George S. Karagiannis, Theofilos Poutahidis, Susan E. Erdman, Richard Kirsch, Robert H. Riddell, Eleftherios P. Diamandis - Molecular Cancer Research 2012 cited by 516

  6. An International Consensus to Standardize Integration of Histopathology in Ulcerative Colitis Clinical Trials

    Authors: Christopher Ma, Rocío Sedaño, Ahmed Almradi, Niels Vande Casteele, Claire E. Parker, Leonardo Guizzetti, David F. Schaeffer, Robert H. Riddell, Reetesh K. Pai, Robert Battat, Bruce E. Sands, Christophe Rosty, Marla C. Dubinsky, Florian Rieder, Noam Harpaz, María T. Abreu, Robert V. Bryant, Gregory Y. Lauwers, Richard Kirsch, Mark A. Valasek, Eileen Crowley, William J. Sandborn, Brian G. Feagan, Rish K. Pai, Vipul Jairath - Gastroenterology 2021 cited by 104

  7. Cardiovascular Events Associated with Rofecoxib in a Colorectal Adenoma Chemoprevention Trial

    Authors: Robert S. Bresalier, Robert S. Sandler, Hui Quan, James A. Bolognese, Bettina Oxenius, Kevin Horgan, Christopher Lines, Robert H. Riddell, Dion Morton, Ángel Lanas, Marvin A. Konstam, John A. Baron - New England Journal of Medicine 2005 cited by 2,516

  8. Dysplasia in inflammatory bowel disease: Standardized classification with provisional clinical applications

    Authors: Robert H. Riddell, Harvey Goldman, David F. Ransohoff, Henry D. Appelman, Cecilia M. Fenoglio, Rodger C. Haggitt, Christer hren, Pelayo Correa, Stanley R. Hamilton, B C Morson, Sheldon C. Sommers, John H. Yardley - Human Pathology 1983 cited by 1,874

  9. Development of an index to define overall disease severity in IBD

    Authors: Corey A. Siegel, Cynthia B. Whitman, Brennan Spiegel, Brian G. Feagan, Bruce E. Sands, Edward V. Loftus, Remo Panaccione, Geert D’Haens, Çharles N. Bernstein, Richard B. Gearry, Siew C. Ng, Gerassimos J. Mantzaris, Balfour R. Sartor, Mark S. Silverberg, Robert H. Riddell, Ioannis E. Κoutroubakis, Colm O’Morain, Péter L. Lakatos, Dermot McGovern, Jonas Halfvarson, Walter Reinisch, Gerhard Rogler, Wolfgang Kruis, Curt Tysk, Stefan Schreiber, Silvio Danese, William J. Sandborn, Anne M. Griffiths, Bjørn Moum, Christoph Gasché, Francesco Pallone, Simon Travis, Julián Panés, Jean‐Frédéric Colombel, Stephen B. Hanauer, Laurent Peyrin‐Biroulet - Gut 2016 cited by 151

  10. Systematic review: Histological remission in inflammatory bowel disease. Is ‘complete’ remission the new treatment paradigm? An IOIBD initiative

    Authors: Robert V. Bryant, Shawn Winer, Travis SPL, Robert H. Riddell - Journal of Crohn s and Colitis 2014 cited by 297

  11. Tumor budding in colorectal carcinoma: time to take notice

    Authors: Bojana Mitrovic, David F. Schaeffer, Robert H. Riddell, Richard Kirsch - Modern Pathology 2012 cited by 296

  12. Colorectal dysplasia in chronic inflammatory bowel disease: a contemporary consensus classification and interobserver study

    Authors: Noam Harpaz, John R. Goldblum, Neil A. Shepherd, Robert H. Riddell, Carlos Rubio‐Terres, Michael Vieth, Helen H. Wang, Robert D. Odze - Human Pathology 2023 cited by 31

  13. Budesonide Multimatrix Is Efficacious for Mesalamine-refractory, Mild to Moderate Ulcerative Colitis: A Randomised, Placebo-controlled Trial

    Authors: David T. Rubin, Russell D. Cohen, William J. Sandborn, Gary R. Lichtenstein, Jeffrey Axler, Robert H. Riddell, Cindy Zhu, Andrew C. Barrett, Enoch Bortey, William P. Forbes - Journal of Crohn s and Colitis 2017 cited by 75

  14. Improving tumor budding reporting in colorectal cancer: a Delphi consensus study

    Authors: Tariq Sami Haddad, Alessandro Lugli, Susan Aherne, Valeria Barresi, Benoît Terris, John‐Melle Bokhorst, Scarlet Brockmoeller, Míriam Cuatrecasas, Femke Simmer, Hala El‐Zimaity, Jean–François Fléjou, David Gibbons, Gieri Cathomas, Richard Kirsch, Tine Plato Kühlmann, Cord Langner, Maurice B. Loughrey, Robert H. Riddell, Ari Ristimäki, Sanjay Kakar, Kieran Sheahan, Darren Treanor, Jeroen van der Laak, Michael Vieth, Inti Zlobec, Irıs D. Nagtegaal - Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin 2021 cited by 65

  15. Early Change in Epithelial Neutrophilic Infiltrate Predicts Long-Term Response to Biologics in Ulcerative Colitis

    Authors: Neeraj Narula, Emily C L Wong, Jean–Frédéric Colombel, Robert H. Riddell, John K. Marshall, Walter Reinisch, Parambir S. Dulai - Clinical Gastroenterology and Hepatology 2021 cited by 35

  16. Quality in the technical performance of colonoscopy and the continuous quality improvement process for colonoscopy: recommendations of the U.S. Multi-Society Task Force on Colorectal Cancer

    Authors: Douglas K. Rex, John H. Bond, Sidney J. Winawer, Theodore R. Levin, Randall W. Burt, David A. Johnson, Lynne M. Kirk, Scott Litlin, David A. Lieberman, Jerome D. Waye, James M. Church, John B. Marshall, Robert H. Riddell - The American Journal of Gastroenterology 2002 cited by 1,025

  17. Fit-For-Purpose PD-L1 Biomarker Testing For Patient Selection in Immuno-Oncology: Guidelines For Clinical Laboratories From the Canadian Association of Pathologists-Association Canadienne Des Pathologistes (CAP-ACP)

    Authors: Carol C. Cheung, Penny J. Barnes, Gilbert Bigras, Scott Boerner, Jagdish Butany, Fiorella Calabrese, Christian Couture, Jean Deschênes, Hala El‐Zimaity, Gábor Fischer, Pierre Fiset, J. R. Garratt, Laurette Geldenhuys, C. Blake Gilks, Marius Ilié, Diana N. Ionescu, Hyun J. Lim, Lisa Manning, Adnan Mansoor, Robert H. Riddell, Catherine Ross, Sinchita Roy‐Chowdhuri, Alan Spatz, Paul E. Swanson, Victor A. Tron, Ming‐Sound Tsao, Hangjun Wang, Zhaolin Xu, Emina Torlakovic - Applied immunohistochemistry & molecular morphology 2019 cited by 55

  18. Experimental models of inflammatory bowel disease

    Authors: Charles O. Elson, R. Balfour Sartor, Gary S. Tennyson, Robert H. Riddell - Gastroenterology 1995 cited by 1,218

  19. Chronic stress induces mast cell–dependent bacterial adherence and initiates mucosal inflammation in rat intestine

    Authors: Johan D. Söderholm, Ping–Chang Yang, Peter J. M. Ceponis, Angeli Vohra, Robert H. Riddell, Philip M. Sherman, Mary H. Perdue - Gastroenterology 2002 cited by 353

  20. Indeterminate colitis

    Authors: Maha Guindi, Robert H. Riddell - Journal of Clinical Pathology 2004 cited by 202

  21. Gastric epithelial dysplasia

    Authors: Gregory Y. Lauwers, Robert H. Riddell - Gut 1999 cited by 190

  22. Active Margins, Plexitis, and Granulomas Increase Postoperative Crohn’s Recurrence: Systematic Review and Meta-analysis

    Authors: Parul Tandon, Gurpreet Malhi, Daniyal Abdali, Elahn Pogue, John K. Marshall, Anthony de Buck van Overstraeten, Robert H. Riddell, Neeraj Narula - Clinical Gastroenterology and Hepatology 2020 cited by 48

  23. An expert consensus to standardise the assessment of histological disease activity in Crohn's disease clinical trials

    Authors: Ahmed Almradi, Christopher Ma, Geert D’Haens, William J. Sandborn, Claire E. Parker, Leonardo Guizzetti, Paula Borralho, Gert De Hertogh, Roger Feakins, Reena Khanna, Gregory Y. Lauwers, Aart Mookhoek, Reetesh K. Pai, Laurent Peyrin‐Biroulet, Robert H. Riddell, Christophe Rosty, David F. Schaeffer, Mark A. Valasek, Siddharth Singh, Eileen Crowley, Brian G. Feagan, Vipul Jairath, Rish K. Pai - Alimentary Pharmacology & Therapeutics 2021 cited by 32

  24. Mast cells are closely apposed to nerves in the human gastrointestinal mucosa

    Authors: Ron H. Stead, Michael F. Dixon, Nigel H. Bramwell, Robert H. Riddell, John Bienenstock - Gastroenterology 1989 cited by 448