Robert H. Riddell

28.1k total citations · 6 hit papers
215 papers, 15.3k citations indexed

About

Robert H. Riddell is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Oncology. According to data from OpenAlex, Robert H. Riddell has authored 215 papers receiving a total of 15.3k indexed citations (citations by other indexed papers that have themselves been cited), including 102 papers in Surgery, 55 papers in Pulmonary and Respiratory Medicine and 55 papers in Oncology. Recurrent topics in Robert H. Riddell's work include Gastric Cancer Management and Outcomes (42 papers), Inflammatory Bowel Disease (40 papers) and Genetic factors in colorectal cancer (38 papers). Robert H. Riddell is often cited by papers focused on Gastric Cancer Management and Outcomes (42 papers), Inflammatory Bowel Disease (40 papers) and Genetic factors in colorectal cancer (38 papers). Robert H. Riddell collaborates with scholars based in Canada, United States and United Kingdom. Robert H. Riddell's co-authors include R. Balfour Sartor, Gary S. Tennyson, Charles O. Elson, Robert S. Bresalier, Ángel Lanas, Dion Morton, Richard Kirsch, Bernard Levin, John A. Baron and Robert S. Sandler and has published in prestigious journals such as New England Journal of Medicine, The Lancet and JAMA.

In The Last Decade

Robert H. Riddell

213 papers receiving 14.6k citations

Hit Papers

5 papers align trajectories

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.

Cardiovascular Events Associated with Rofecoxib in a Colorectal Adenoma Chemoprevention Trial

2005 1.9k citations Robert S. Bresalier, Robert S. Sandler et al. New England Journal of Medicine profile →
Dysplasia in inflammatory bowel disease: Standardized classification with provisional clinical applications

1983 1.4k citations Robert H. Riddell, Pelayo Correa et al. profile →
Experimental models of inflammatory bowel disease

1995 1.1k citations Robert H. Riddell et al. profile →
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

2002 750 citations Robert H. Riddell et al. profile →
Barrettʼs Esophagus

1983 387 citations Robert H. Riddell et al. profile →
Dysplasia-associated lesion or mass (DALM) detected by colonoscopy in long-standing ulcerative colitis: An indication for colectomy

1981 381 citations Robert H. Riddell, Bernard Levin et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Robert H. Riddell Canada	56	6.4k	4.1k	3.9k	3.2k	2.9k	215	15.3k
Joo Sung Kim South Korea	53	5.0k 0.8×	1.7k 0.4×	3.1k 0.8×	2.1k 0.7×	1.5k 0.5×	411	11.1k
Hye Seung Lee South Korea	66	5.5k 0.9×	5.9k 1.5×	5.0k 1.3×	1.1k 0.4×	1.5k 0.5×	452	16.1k
Ken Haruma Japan	63	10.2k 1.6×	2.8k 0.7×	5.7k 1.5×	735 0.2×	5.7k 2.0×	638	16.2k
M. Kay Washington United States	78	4.8k 0.7×	6.5k 1.6×	2.9k 0.7×	1.9k 0.6×	689 0.2×	360	21.1k
Masaki Kitajima Japan	62	6.0k 0.9×	4.6k 1.1×	5.1k 1.3×	702 0.2×	2.0k 0.7×	607	14.6k
Kentaro Sugano Japan	62	11.4k 1.8×	1.9k 0.5×	6.0k 1.5×	955 0.3×	5.4k 1.9×	321	16.1k
Tooru Shimosegawa Japan	80	13.2k 2.1×	7.0k 1.7×	2.8k 0.7×	2.2k 0.7×	1.7k 0.6×	702	25.7k
Nadir Arber Israel	53	2.1k 0.3×	3.0k 0.8×	1.8k 0.4×	1.6k 0.5×	593 0.2×	332	10.5k
Hirokazu Nagawa Japan	58	3.4k 0.5×	4.6k 1.1×	2.3k 0.6×	1.1k 0.4×	517 0.2×	392	12.8k
Guido N.J. Tytgat Netherlands	54	6.8k 1.1×	2.2k 0.6×	3.9k 1.0×	1.5k 0.5×	1.8k 0.6×	199	11.3k

Countries citing papers authored by Robert H. Riddell

Since Specialization

Citations

This map shows the geographic impact of Robert H. Riddell'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 Robert H. Riddell with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert H. Riddell more than expected).

Fields of papers citing papers by Robert H. Riddell

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert H. Riddell. 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 Robert H. Riddell. The network helps show where Robert H. Riddell may publish in the future.

Co-authorship network of co-authors of Robert H. Riddell

This figure shows the co-authorship network connecting the top 25 collaborators of Robert H. Riddell. A scholar is included among the top collaborators of Robert H. Riddell 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 Robert H. Riddell. Robert H. Riddell is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Iwaya, Mai, Makoto Kodama, Keiko Abe, et al.. (2024). Variability in morphology and immunohistochemistry of Crohn’s disease-associated small bowel neoplasms: implications of Claudin 18 and Cadherin 17 expression for tumor-targeted immunotherapies. Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin. 486(3). 595–603. 1 indexed citations

Mitrovic, Bojana, Kelly Handley, Naziheh Assarzadegan, et al.. (2021). Prognostic and Predictive Value of Tumor Budding in Colorectal Cancer. Clinical Colorectal Cancer. 20(3). 256–264. 14 indexed citations

Dawson, Heather, Alexander Novotny, Karen Becker, et al.. (2016). Macroscopy predicts tumor progression in gastric cancer: A retrospective patho-historical analysis based on Napoleon Bonaparte's autopsy report. Digestive and Liver Disease. 48(11). 1378–1385. 7 indexed citations

Rubin, David T., Russell D. Cohen, William J. Sandborn, et al.. (2015). OP011. Budesonide MMX(R) 9 mg for Inducing Remission in Patients with Mild-to-Moderate Ulcerative Colitis Not Adequately Controlled with Oral 5-ASAs. Journal of Crohn s and Colitis. 9(suppl 1). S7–S7. 7 indexed citations

Grin, Andrea, Young‐In Kim, Robert A. Mustard, Catherine Streutker, & Robert H. Riddell. (2012). Duodenal Gastrinoma With Multiple Gastric Neuroendocrine Tumors Secondary to Chronic Helicobacter pylori Gastritis. The American Journal of Surgical Pathology. 36(6). 935–940. 10 indexed citations

Bacani, Julinor, Nando Di Nicola, K. G. Mitchell, et al.. (2005). Tumor Microsatellite Instability in Early Onset Gastric Cancer. Journal of Molecular Diagnostics. 7(4). 465–477. 58 indexed citations

Bresalier, Robert S., Robert S. Sandler, Hui Quan, et al.. (2005). Cardiovascular Events Associated with Rofecoxib in a Colorectal Adenoma Chemoprevention Trial. New England Journal of Medicine. 352(11). 1092–1102. 1855 indexed citations breakdown →

Merger, Michael, Joanne L. Viney, Rajka Borojevic, et al.. (2002). Defining the roles of perforin, Fas/FasL, and tumour necrosis factor α in T cell induced mucosal damage in the mouse intestine. Gut. 51(2). 155–163. 87 indexed citations

Rugge, Massimo, Pelayo Correa, Michael F. Dixon, et al.. (2000). Gastric Dysplasia. The American Journal of Surgical Pathology. 24(2). 167–176. 291 indexed citations

10.

Sircar, Kanishka, et al.. (2000). Gastrointestinal Stromal Tumors May Originate from a Subset of CD34-Positive Interstitial Cells of Cajal. American Journal Of Pathology. 156(4). 1157–1163. 140 indexed citations

11.

Lauwers, Gregory Y., Pelayo Correa, Robert H. Riddell, et al.. (1999). Evaluation of Gastric Biopsies for Neoplasia. The American Journal of Surgical Pathology. 23(5). 511–518. 54 indexed citations

12.

Lauwers, Gregory Y. & Robert H. Riddell. (1999). Gastric epithelial dysplasia. Gut. 45(5). 784–784. 148 indexed citations

13.

Lewin, Klaus J., Robert H. Riddell, & Wilfred M. Weinstein. (1992). Gastrointestinal pathology and its clinical implications. 151 indexed citations

14.

Levin, Bernard & Robert H. Riddell. (1984). Frontiers in gastrointestinal cancer. Elsevier eBooks. 10 indexed citations

15.

Boland, C. Richard, et al.. (1984). Abnormal goblet cell glycoconjugates in rectal biopsies associated with an increased risk of neoplasia in patients with ulcerative colitis: early results of a prospective study.. Gut. 25(12). 1364–1371. 85 indexed citations

16.

Riddell, Robert H.. (1982). Pathology of Drug Induced and Toxic Disease. Churchill Livingstone eBooks. 30 indexed citations

17.

Riddell, Robert H. & B C Morson. (1979). Value of sigmoidoscopy and biopsy in detection of carcinoma and premalignant change in ulcerative colitis. Gut. 20(7). 575–580. 50 indexed citations

18.

Capel, L.H., et al.. (1978). Comparison of the time and Mantoux tuberculin tests. BMJ. 2(6129). 54.3–54. 1 indexed citations

19.

Sladen, G E, Robert H. Riddell, & J M T Willoughby. (1975). Oesophagoscopy, biopsy, and acid perfusion test in diagnosis of "reflux oesophagitis".. BMJ. 1(5949). 71–76. 40 indexed citations

20.

Walford, J., Jane Cooper, R. S. F. Schilling, et al.. (1968). Comparison of Side-effects of Tetracycline and Tetracycline Plus Nystatin. BMJ. 4(5628). 411–415. 2 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.

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