Dennis J. Ahnen
University of Colorado Denver
266 Papers
2.6K Citations
Dennis J. Ahnen is an academic researcher from University of Colorado Denver. The author has contributed to research in topics: Colorectal cancer & Medicine. The author has an hindex of 72, co-authored 266 publications. Previous affiliations of Dennis J. Ahnen include Anschutz Medical Campus & Columbia University.
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Papers
Colorectal cancer statistics, 2017.
Rebecca L. Siegel,Kimberly D. Miller,Stacey A. Fedewa,Dennis J. Ahnen,Reinier G.S. Meester,Afsaneh Barzi,Ahmedin Jemal +6 more
TL;DR: Overall CRC incidence in individuals ages ≥50 years declined from 2009 to 2013 in every state except Arkansas, with the decrease exceeding 5% annually in 7 states; however, rectal tumor incidence in those ages 50 to 64 years was stable in most states.
3.9K
Use of Colonoscopy to Screen Asymptomatic Adults for Colorectal Cancer
David A. Lieberman,David G. Weiss,John H. Bond,Dennis J. Ahnen,Harinder S. Garewal,Gregorio Chejfec +5 more
TL;DR: Colonoscopic screening can detect advanced colonic neoplasms in asymptomatic adults with or without distal neoplasia, and many of these neoplasm would not be detected with sigmoidoscopy.
2K
A randomized trial of aspirin to prevent colorectal adenomas
John A. Baron,Bernard F. Cole,Robert S. Sandler,Robert W. Haile,Dennis J. Ahnen,Dennis J. Ahnen,Robert S. Bresalier,Gail McKeown-Eyssen,Robert W. Summers,Richard I. Rothstein,Carol A. Burke,Dale C. Snover,Timothy R. Church,John I. Allen,Michael L. Beach,Gerald J. Beck,John H. Bond,John H. Bond,Tim Byers,E. Robert Greenberg,Jack S. Mandel,Norman E. Marcon,Leila A. Mott,Loretta H. Pearson,Fred Saibil,Rosalind U. van Stolk +25 more
TL;DR: Low-dose aspirin has a moderate chemopreventive effect on adenomas in the large bowel, using generalized linear models to compute risk ratios and 95 percent confidence intervals.
1.4K
Serrated Lesions of the Colorectum: Review and Recommendations From an Expert Panel
Douglas K. Rex,Dennis J. Ahnen,John A. Baron,Kenneth P. Batts,Carol A. Burke,Randall W. Burt,John R. Goldblum,Jose G. Guillem,Charles J. Kahi,Matthew F. Kalady,Michael J. O'Brien,Robert D. Odze,Shuji Ogino,Susan Parry,Susan Parry,Dale C. Snover,Emina Torlakovic,Paul E. Wise,Joanne P. Young,James M. Church +19 more
TL;DR: It is recommended that all serrated lesions proximal to the sigmoid colon and allserrated lesions in the rectosigmoid >5 mm in size, be completely removed.
1K
Folic acid for the prevention of colorectal adenomas: a randomized clinical trial.
Bernard F. Cole,John A. Baron,Robert S. Sandler,Robert W. Haile,Dennis J. Ahnen,Robert S. Bresalier,Gail McKeown-Eyssen,Robert W. Summers,Richard I. Rothstein,Carol A. Burke,Dale C. Snover,Timothy R. Church,John I. Allen,Douglas J. Robertson,Gerald J. Beck,John H. Bond,Tim Byers,Jack S. Mandel,Leila A. Mott,Loretta H. Pearson,Elizabeth L. Barry,Judy R. Rees,Norman E. Marcon,Fred Saibil,Per Magne Ueland,E. Robert Greenberg +25 more
TL;DR: In this paper, the safety and efficacy of folic acid supplements for preventing colorectal adenomas were evaluated in a randomized clinical trial. But, the results showed that folic acids at 1 mg/d did not reduce coloreCTal adnoma risk.