World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
81
Citations
21650
World Ranking
16751
National Ranking
8403

Penny K. Sneed 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 Penny K. Sneed 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: 355 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Penny K. Sneed 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 Penny K. Sneed 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: 81 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Overview

Penny K. Sneed is affiliated with the University of California, San Francisco, in the United States. Their research primarily focuses on medicine, with a notable number of publications centered around genetics, pulmonary and respiratory medicine, epidemiology, neurology, and radiology, nuclear medicine, and imaging.

Their research topics include:

  • Glioma Diagnosis and Treatment
  • Meningioma and schwannoma management
  • Brain Metastases and Treatment
  • Advanced Radiotherapy Techniques
  • Pituitary Gland Disorders and Treatments
  • Neurofibromatosis and Schwannoma Cases
  • Head and Neck Surgical Oncology

They have published extensively in a variety of venues, including:

  • Neuro-Oncology (11 publications)
  • International Journal of Radiation Oncology*Biology*Physics (8 publications)
  • Nature Communications (4 publications)
  • Neurosurgery (3 publications)
  • Journal of neurosurgery (3 publications)

Some of their recent papers are:

  • "Meningioma DNA methylation groups identify biological drivers and therapeutic vulnerabilities," 2022, Nature Genetics
  • "Multiplatform genomic profiling and magnetic resonance imaging identify mechanisms underlying intratumor heterogeneity in meningioma," 2020, Nature Communications
  • "Targeted gene expression profiling predicts meningioma outcomes and radiotherapy responses," 2023, Nature Medicine
  • "A Prognostic Gene-Expression Signature and Risk Score for Meningioma Recurrence After Resection," 2020, Neurosurgery
  • "Adverse radiation effect and freedom from progression following repeat stereotactic radiosurgery for brain metastases," 2022, Journal of neurosurgery

Frequent co-authors collaborating with Penny K. Sneed include:

  • Steve Braunstein
  • David R. Raleigh
  • Harish N. Vasudevan
  • Lauren Boreta
  • Philip V. Theodosopoulos

Best Publications

  • Summary Report on the Graded Prognostic Assessment: An Accurate and Facile Diagnosis-Specific Tool to Estimate Survival for Patients With Brain Metastases

    Paul W. Sperduto;Norbert Kased;David Roberge;Zhiyuan Xu

  • Diagnosis-Specific Prognostic Factors, Indexes, and Treatment Outcomes for Patients With Newly Diagnosed Brain Metastases: A Multi-Institutional Analysis of 4,259 Patients

    Paul W. Sperduto;Samuel T. Chao;Penny K. Sneed;Xianghua Luo

  • A multi-institutional experience with stereotactic radiosurgery for solitary brain metastasis

    John C Flickinger;Douglas Kondziolka;L Dade Lunsford;Robert J Coffey

  • Estimating Survival in Patients With Lung Cancer and Brain Metastases: An Update of the Graded Prognostic Assessment for Lung Cancer Using Molecular Markers (Lung-molGPA)

    Paul W. Sperduto;T. Jonathan Yang;Kathryn Beal;Hubert Pan

  • A multi-institutional review of radiosurgery alone vs. radiosurgery with whole brain radiotherapy as the initial management of brain metastases.

    Penny K Sneed;John H Suh;Steven J Goetsch;Seema N Sanghavi

  • Survival benefit of hyperthermia in a prospective randomized trial of brachytherapy boost +/- hyperthermia for glioblastoma multiforme.

    Penny K. Sneed;Paul R. Stauffer;Michael W. McDermott;Chris J. Diederich

  • Radiosurgery for brain metastases: is whole brain radiotherapy necessary?

    Penny K Sneed;Kathleen R Lamborn;Julie M Forstner;Michael W McDermott

  • Phase II Study of Erlotinib Plus Temozolomide During and After Radiation Therapy in Patients With Newly Diagnosed Glioblastoma Multiforme or Gliosarcoma

    Michael D. Prados;Susan M. Chang;Nicholas Butowski;Rebecca DeBoer

  • Effect of Tumor Subtype on Survival and the Graded Prognostic Assessment for Patients With Breast Cancer and Brain Metastases

    Paul W. Sperduto;Norbert Kased;David Roberge;Zhiyuan Xu

  • MR-spectroscopy guided target delineation for high-grade gliomas.

    Andrea Pirzkall;Tracy R McKnight;Edward E Graves;Mark P Carol

  • EGFR overexpression and radiation response in glioblastoma multiforme.

    Fred G. Barker;Fred G. Barker;Martha L. Simmons;Susan M. Chang;Michael D. Prados

  • The Brain Tumor Cooperative Group NIH Trial 87-01: a randomized comparison of surgery, external radiotherapy, and carmustine versus surgery, interstitial radiotherapy boost, external radiation therapy, and carmustine.

    Robert G. Selker;William R. Shapiro;Peter Burger;Margaret S. Blackwood

  • Radiosurgery for brain metastases: relationship of dose and pattern of enhancement to local control.

    Cheng-Ying Shiau;Cheng-Ying Shiau;Penny K. Sneed;Hui-Kuo G. Shu;Kathleen R. Lamborn

  • Adverse radiation effect after stereotactic radiosurgery for brain metastases: incidence, time course, and risk factors

    Penny K. Sneed;Joe Mendez;Johanna G. M. Vemer-van den Hoek;Zachary A. Seymour

  • High activity iodine-125 interstitial implant for gliomas

    Cindy O. Charfen;Penny K. Sneed;William M. Wara;David A. Larson

  • Distinguishing Recurrent Intra-Axial Metastatic Tumor from Radiation Necrosis Following Gamma Knife Radiosurgery Using Dynamic Susceptibility-Weighted Contrast-Enhanced Perfusion MR Imaging

    R.F. Barajas;J.S. Chang;P.K. Sneed;M.R. Segal

  • Radiosurgery for patients with brain metastases: a multi-institutional analysis, stratified by the RTOG recursive partitioning analysis method

    Seema N Sanghavi;Saranarendra S Miranpuri;Richard Chappell;John M Buatti

  • Dose conformity of gamma knife radiosurgery and risk factors for complications.

    Jean L Nakamura;Lynn J Verhey;Vernon Smith;Paula L Petti

  • Patterns of recurrence of glioblastoma multiforme after external irradiation followed by implant boost.

    Penny K. Sneed;Philip H. Gutin;David A. Larson;Mary K. Malec

  • External irradiation followed by an interstitial high activity iodine-125 implant “boost” in the initial treatment of malignant gliomas: NCOG study 6G-82-2 gliomas: NCOG study 6H-82-2

    Philip H. Gutin;Michael D. Prados;Theodore L. Phillips;William M. Wara

Frequent Co-Authors

Michael W. McDermott
Michael W. McDermott University of California, San Francisco
David A. Larson
David A. Larson University of California, San Francisco
William M. Wara
William M. Wara Kaiser Permanente
Philip H. Gutin
Philip H. Gutin Memorial Sloan Kettering Cancer Center
Kathleen R. Lamborn
Kathleen R. Lamborn University of California, San Francisco
Michael D. Prados
Michael D. Prados University of California, San Francisco
Susan M. Chang
Susan M. Chang University of California, San Francisco
Theodore L. Phillips
Theodore L. Phillips University of California, San Francisco
Minesh P. Mehta
Minesh P. Mehta University of Maryland, Baltimore
Paul D. Brown
Paul D. Brown Mayo Clinic

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