World's Best Scientists 2026 revealed!
David A. Ahlquist

David A. Ahlquist

D-Index & Metrics

Medicine

D-Index
81
Citations
21980
World Ranking
16737
National Ranking
8395

Research.com Recognitions

  • 2019 - Fellow, National Academy of Inventors
  • 2017 - William Beaumont Prize, American Gastroenterological Association (AGA)

Overview

David A. Ahlquist was affiliated with the Mayo Clinic in the United States. Their research primarily focused on Medicine, with significant contributions in the fields of Biochemistry, Genetics and Molecular Biology. Specific subfields included Oncology, Cancer Research, Surgery, Molecular Biology, and Pulmonary and Respiratory Medicine.

The scientist's work addressed several main topics, notably:

  • Colorectal Cancer Screening and Detection
  • Cancer Genomics and Diagnostics
  • Genetic factors in colorectal cancer
  • Gastric Cancer Management and Outcomes
  • Esophageal Cancer Research and Treatment
  • Epigenetics and DNA Methylation
  • Esophageal and GI Pathology

David A. Ahlquist frequently published in the following venues:

  • Journal of Clinical Oncology
  • The American Journal of Gastroenterology
  • Clinical Cancer Research
  • Cancer Epidemiology Biomarkers & Prevention
  • mBio

Some of the recent papers authored or coauthored by Ahlquist included:

  • Fecal Metabolomic Signatures in Colorectal Adenoma Patients Are Associated with Gut Microbiota and Early Events of Colorectal Cancer Pathogenesis, 2020, mBio
  • Accurate Nonendoscopic Detection of Barrett's Esophagus by Methylated DNA Markers: A Multisite Case Control Study, 2020, The American Journal of Gastroenterology
  • High Detection Rates of Pancreatic Cancer Across Stages by Plasma Assay of Novel Methylated DNA Markers and CA19-9, 2021, Clinical Cancer Research
  • Multitarget Stool DNA Screening in Clinical Practice: High Positive Predictive Value for Colorectal Neoplasia Regardless of Exposure to Previous Colonoscopy, 2020, The American Journal of Gastroenterology
  • Cost-Effectiveness of Multitarget Stool DNA Testing vs Colonoscopy or Fecal Immunochemical Testing for Colorectal Cancer Screening in Alaska Native People, 2021, Mayo Clinic Proceedings

Throughout their career, Ahlquist collaborated frequently with several researchers, including:

  • John B. Kisiel
  • Douglas W. Mahoney
  • Patrick H. Foote
  • Kelli N. Burger
  • Karen A. Doering

David A. Ahlquist received recognition for their work, including the William Beaumont Prize from the American Gastroenterological Association in 2017 and was named a Fellow of the National Academy of Inventors in 2019.

Best Publications

  • Multitarget Stool DNA Testing for Colorectal-Cancer Screening

    Thomas F. Imperiale;David F. Ransohoff;Steven H. Itzkowitz;Theodore R. Levin

  • Colorectal cancer screening by detection of altered human DNA in stool: feasibility of a multitarget assay panel.

    David A. Ahlquist;Joel E. Skoletsky;Kevin A. Boynton;Jonathan J. Harrington

  • Increased Risk for Cancer in Patients with the Peutz-Jeghers Syndrome

    Lisa A. Boardman;Stephen N. Thibodeau;Daniel J. Schaid;Noralane M. Lindor

  • Prospective blinded evaluation of computed tomographic colonography for screen detection of colorectal polyps.

    C.Daniel Johnson;William S Harmsen;Lynn A Wilson;Robert L Maccarty

  • Optimization of CT colonography technique: prospective trial in 180 patients.

    Fletcher Jg;Johnson Cd;Welch Tj;MacCarty Rl

  • Detection of colorectal polyps with CT colography: initial assessment of sensitivity and specificity.

    A K Hara;C D Johnson;J E Reed;D A Ahlquist

  • Colorectal cancer screening with CT colonography, colonoscopy, and double-contrast barium enema examination: prospective assessment of patient perceptions and preferences.

    Thomas M. Gluecker;C. Daniel Johnson;William S. Harmsen;Kenneth P. Offord

  • Accuracy of fecal occult blood screening for colorectal neoplasia : a prospective study using Hemoccult and HemoQuant tests

    David A. Ahlquist;Harry S. Wieand;Charles G. Moertel;Douglas B. McGill

  • Stool DNA and Occult Blood Testing for Screen Detection of Colorectal Neoplasia

    David A. Ahlquist;Daniel J. Sargent;Charles L. Loprinzi;Theodore R. Levin

  • Secreted frizzled-related protein 1 loss contributes to tumor phenotype of clear cell renal cell carcinoma.

    Michelle L. Gumz;Michelle L. Gumz;Hongzhi Zou;Pamela A. Kreinest;April C. Childs

  • Next-Generation Stool DNA Test Accurately Detects Colorectal Cancer and Large Adenomas

    David A. Ahlquist;Hongzhi Zou;Michael Domanico;Douglas W. Mahoney

  • CT colonography without cathartic preparation: feasibility study.

    Matthew R. Callstrom;C. Daniel Johnson;J. G. Fletcher;Judd E. Reed

  • The clinical and endoscopic spectrum of the watermelon stomach

    Christopher J. Gostout;Thomas R. Viggiano;David A. Ahlquist;Kenneth K. Wang

  • Stool screening for colorectal cancer: molecular approaches.

    Neal K. Osborn;David A. Ahlquist

  • Detection of colorectal polyps by computed tomographic colography: Feasibility of a novel technique

    AK Hara;CD Johnson;JE Reed;DA Ahlquist

  • Familial predisposition for colorectal cancer in chronic ulcerative colitis: A case-control study

    Kofi W. Nuako;David A. Ahlquist;Douglas W. Mahoney;Daniel J. Schaid

  • Extracolonic findings at CT colonography: Evaluation of prevalence and cost in a screening population

    Thomas M. Gluecker;C.Daniel Johnson;Lynn A. Wilson;Robert L. MacCarty

  • Early Detection of Sporadic Pancreatic Cancer: Summative Review

    Suresh T. Chari;Kimberly Kelly;Michael A. Hollingsworth;Sarah P. Thayer

  • Fecal blood levels in health and disease. A study using HemoQuant.

    David A. Ahlquist;Douglas B. McGill;Samuel Schwartz;William F. Taylor

  • Optimization of CT Colonography Technique: Prospective Trial in 180

    Joel G. Fletcher;C. Daniel Johnson;Timothy J. Welch;Robert L. MacCarty

Frequent Co-Authors

Thomas C. Smyrk
Thomas C. Smyrk Mayo Clinic
Kenneth K. Wang
Kenneth K. Wang Mayo Clinic
Suresh T. Chari
Suresh T. Chari The University of Texas MD Anderson Cancer Center

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring a pathway to a medical career in the USA doesn’t always demand a traditional route. Today, many students opt for flexible online programs to reach their goals in healthcare. For those interested in advanced patient care, cheapest online fnp programs make it possible to train as a Family Nurse Practitioner without the high tuition costs of on-campus learning.

If you're starting your nursing journey, enrolling in one of the cheapest online nursing program options can open doors to entry-level roles with reliable job prospects. Already an RN? Transitioning your associate degree to a bachelor's is easier with rn to bsn online programs, which cater to working professionals aiming for career advancement.

For nurses and medical professionals looking to move into leadership, research, or teaching, pursuing a phd in nursing can significantly expand your impact on the field. These online avenues allow you to balance education with other commitments and can be a smart, cost-effective step toward a rewarding healthcare career.

Best Scientists Citing David A. Ahlquist

Recently Published Articles