World's Best Scientists 2026 revealed!
Barbara A. Leggett

Barbara A. Leggett

D-Index & Metrics

Medicine

D-Index
89
Citations
27747
World Ranking
12735
National Ranking
415

Barbara A. Leggett publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Barbara A. Leggett sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 324 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Barbara A. Leggett D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Barbara A. Leggett sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 89 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Barbara A. Leggett is affiliated with the University of Queensland in Australia, focusing on medicine with a specialization in hepatology, oncology, epidemiology, molecular biology, and pathology and forensic medicine. Their work encompasses a strong emphasis on liver disease diagnosis and treatment, genetic factors in colorectal cancer, liver disease and transplantation, hepatitis C virus research, colorectal cancer treatments and studies, epigenetics and DNA methylation, and colorectal cancer screening and detection.

Leggett has contributed to the scientific community through numerous publications in various venues. Frequent publication outlets include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • UNC Libraries
  • Journal of Gastroenterology and Hepatology
  • The Medical Journal of Australia
  • Digestive Diseases and Sciences

Some recent papers authored or co-authored by Leggett are:

  • "Seladelpar efficacy and safety at 3 months in patients with primary biliary cholangitis: ENHANCE, a phase 3, randomized, placebo-controlled study" (2023), published in Hepatology
  • "Association of Fusobacterium nucleatum with Specific T-cell Subsets in the Colorectal Carcinoma Microenvironment" (2021), published in Clinical Cancer Research
  • "APC Mutation Marks an Aggressive Subtype of BRAF Mutant Colorectal Cancers" (2020), published in Cancers
  • "Diabetes mellitus and the progression of non-alcoholic fatty liver disease to decompensated cirrhosis: a retrospective cohort study" (2023), published in The Medical Journal of Australia
  • "Traditional serrated adenoma-like lesions in patients with inflammatory bowel disease" (2020), published in Human Pathology

Leggett's collaborative network features frequent co-authors including:

  • Vicki Whitehall
  • Alexandra Kane
  • Diane McKeone
  • Catherine Bond
  • Cheng Liu

Best Publications

  • CpG island methylator phenotype underlies sporadic microsatellite instability and is tightly associated with BRAF mutation in colorectal cancer.

    Daniel J Weisenberger;Kimberly D Siegmund;Mihaela Campan;Joanne Young

  • Role of the serrated pathway in colorectal cancer pathogenesis.

    Barbara Leggett;Vicki Whitehall;Vicki Whitehall

  • Immunohistochemistry Versus Microsatellite Instability Testing in Phenotyping Colorectal Tumors

    Noralane M. Lindor;Lawrence J. Burgart;Olga Leontovich;Richard M. Goldberg

  • Whole-genome landscape of pancreatic neuroendocrine tumours

    Aldo Scarpa;David K. Chang;Katia Nones;Katia Nones;Vincenzo Corbo

  • BRAF mutation is associated with DNA methylation in serrated polyps and cancers of the colorectum

    T Kambara;L A Simms;V L J Whitehall;K J Spring

  • Emerging concepts in colorectal neoplasia

    Jeremy R. Jass;Vicki L.J. Whitehall;Joanne Young;Barbara A. Leggett

  • High Prevalence of Sessile Serrated Adenomas With BRAF Mutations: A Prospective Study of Patients Undergoing Colonoscopy

    Kevin J. Spring;Zhen Zhen Zhao;Rozemary Karamatic;Michael D. Walsh

  • Morphology of sporadic colorectal cancer with DNA replication errors

    J. R. Jass;Kim-Anh Do;L. A. Simms;H. Iino

  • The serrated pathway to colorectal carcinoma: current concepts and challenges.

    Mark Bettington;Mark Bettington;Neal Walker;Andrew Clouston;Ian Brown

  • Microsatellite instability in the insulin–like growth factor II receptor gene in gastrointestinal tumours

    R. F. Souza;R. Appel;J. Yin;S. Wang

  • Features of colorectal cancers with high-level microsatellite instability occurring in familial and sporadic settings: parallel pathways of tumorigenesis.

    Joanne Young;Lisa A. Simms;Kelli G. Biden;Coral Wynter

  • Risks of Lynch Syndrome Cancers for MSH6 Mutation Carriers

    Laura Baglietto;Noralane M. Lindor;James G. Dowty;Darren M. White

  • DNA microsatellite instability in hyperplastic polyps, serrated adenomas, and mixed polyps: a mild mutator pathway for colorectal cancer?

    H Iino;J R Jass;L A Simms;J Young

  • Metachronous Colorectal Cancer Risk for Mismatch Repair Gene Mutation Carriers: The Advantage of More Extensive Colon Surgery

    Susan Parry;Susan Parry;Aung Ko Win;Bryan Parry;Finlay A Macrae

  • Characterisation of a subtype of colorectal cancer combining features of the suppressor and mild mutator pathways.

    Jeremy R. Jass;Kelli G. Biden;Margaret C. Cummings;Lisa A. Simms

  • Methylation of O-6-methylguanine DNA methyltransferase characterizes a subset of colorectal cancer with low-level DNA microsatellite instability.

    Vicki L. J. Whitehall;Michael D. Walsh;Joanne Young;Barbara A. Leggett

  • Neoplastic progression occurs through mutator pathways in hyperplastic polyposis of the colorectum

    J. R. Jass;H. Iino;A. Ruszkiewicz;D. Painter

  • Germline Mutations in BMPR1A/ALK3 Cause a Subset of Cases of Juvenile Polyposis Syndrome and of Cowden and Bannayan-Riley-Ruvalcaba Syndromes

    Xiao-Ping Zhou;Kelly Woodford-Richens;Rainer Lehtonen;Keisuke Kurose

  • Colorectal Cancer With Mutation in BRAF, KRAS, and Wild-Type With Respect to Both Oncogenes Showing Different Patterns of DNA Methylation

    Takeshi Nagasaka;Hiromi Sasamoto;Kenji Notohara;Harry M. Cullings

  • Cancer Risks for MLH1 and MSH2 Mutation Carriers

    James G Dowty;Aung K Win;Daniel D Buchanan;Noralane M Lindor

Frequent Co-Authors

Joanne P. Young
Joanne P. Young University of Adelaide
Jeremy R. Jass
Jeremy R. Jass Imperial College London
Michael Walsh
Michael Walsh Memorial Sloan Kettering Cancer Center
Beth Newman
Beth Newman Queensland University of Technology
Stephen J. Meltzer
Stephen J. Meltzer Johns Hopkins University School of Medicine
Joanne F. Aitken
Joanne F. Aitken Cancer Council Queensland
Daniel D. Buchanan
Daniel D. Buchanan University of Melbourne
Lawrie W. Powell
Lawrie W. Powell University of Queensland
Nicola Waddell
Nicola Waddell QIMR Berghofer Medical Research Institute
Grant W. Montgomery
Grant W. Montgomery University of Queensland

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