Benjamin Ziemer, PhD

Title(s)Assistant Professor, Radiation Oncology
SchoolSchool of Medicine
Address505 Parnassus Avenue, #001
San Francisco CA 94117
ORCID ORCID Icon0000-0003-0489-5238 Additional info
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    Collapse Biography 
    Collapse Education and Training
    University of California, San Francisco, CA2021Diversity, Equity and Inclusion Champion Training
    University of California, San Francisco6/2019Therapeutic Physics Residency
    University of California, San Diego, CA6/2017Therapeutic Physics PostDoc
    University of California, Irvine, CA5/2015Imaging Physics PostDoc
    University of California, Irvine, CAPhD05/2012Experimental Particle Physics
    University of California, Irvine, CAMS05/2006Experimental Particle Physics
    University of Wisconsin, Madison, WIBS05/2003Physics
    University of Wisconsin, Madison, WIBS05/2003Mathematics
    University of Wisconsin, Madison, WIBS05/2003Chemistry
    Collapse Awards and Honors
    American Association of Physicists in Medicine - Southern California Chapter2016  - 2016Norm Baily Award
    American Association of Physicists in Medicine2015  - 2015Best in Physics - Imagining Award
    Fermi National Accelerator Laboratory2009  - 2009Visiting Scholars Grant
    Fermi National Accelerator Laboratory2008  - 2008Visiting Scholars Grant
    University of California Irvine2005  - 2006Master's Degree Fellowship
    University of Wisconsin Madison2002  - 2003Chinese Department Language Award

    Collapse Overview 
    Collapse Overview
    I am a board certified medical physicis by the American Board of Radiology. I am licensed by the State of California to deliver Gamma Knife frame-based and ICON stereotactic radiosurgery and Cesium-131 brachytherapy brain implant surgeries in coordination with the Department of Neurosurgery. I think that clinical service is the core of the the triad of clinical-teaching-research mission of UCSF and assist the Radiation Oncolofy team in the delivery of high quality patient care.

    Collapse ORNG Applications 
    Collapse Featured Publications
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    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Adverse radiation effect versus tumor progression following stereotactic radiosurgery for brain metastases: Implications of radiologic uncertainty. J Neurooncol. 2024 Feb; 166(3):535-546. Salans M, Ni L, Morin O, Ziemer B, Capaldi DPI, Raleigh DR, Vasudevan HN, Chew J, Nakamura J, Sneed PK, Boreta L, Villanueva-Meyer JE, Theodosopoulos P, Braunstein S. PMID: 38316705; PMCID: PMC10876820.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    2. Tungsten Filled 3-Dimensional Printed Lung Blocks for Total Body Irradiation. Pract Radiat Oncol. 2023 Nov 18. Capaldi DPI, Gibson C, Villa A, Schulz JB, Ziemer BP, Fu J, Dubrowski P, Yu AS, Fogh S, Chew J, Boreta L, Braunstein SE, Witztum A, Hirata E, Morin O, Skinner LB, Nano TF. PMID: 37981253.
      View in: PubMed   Mentions:    Fields:    
    3. Development and multi-institutional validation of a convolutional neural network to detect vertebral body mis-alignments in 2D x-ray setup images. Med Phys. 2023 May; 50(5):2662-2671. Petragallo R, Bertram P, Halvorsen P, Iftimia I, Low DA, Morin O, Narayanasamy G, Saenz DL, Sukumar KN, Valdes G, Weinstein L, Wells MC, Ziemer BP, Lamb JM. PMID: 36908243.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. Quality Assurance for AI-Based Applications in Radiation Therapy. Semin Radiat Oncol. 2022 10; 32(4):421-431. Claessens M, Oria CS, Brouwer CL, Ziemer BP, Scholey JE, Lin H, Witztum A, Morin O, Naqa IE, Van Elmpt W, Verellen D. PMID: 36202444.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    5. Adverse radiation effect and freedom from progression following repeat stereotactic radiosurgery for brain metastases. J Neurosurg. 2022 May 20; 1-9. Sneed PK, Chan JW, Ma L, Braunstein SE, Theodosopoulos PV, Fogh SE, Nakamura JL, Boreta L, Raleigh DR, Ziemer BP, Morin O, Hervey-Jumper SL, McDermott MW. PMID: 35594891.
      View in: PubMed   Mentions: 6     Fields:    
    6. Resection with intraoperative cesium-131 brachytherapy as salvage therapy for recurrent brain tumors. J Neurosurg. 2022 Jan 21; 1-7. Chen WC, Lafreniere M, Phuong C, Liu SJ, Baal JD, Lometti M, Morin O, Ziemer B, Vasudevan HN, Lucas CG, Hervey-Jumper SL, Theodosopoulos PV, Magill ST, Fogh S, Nakamura JL, Boreta L, Sneed PK, McDermott MW, Raleigh DR, Braunstein SE. PMID: 35061986.
      View in: PubMed   Mentions: 5     Fields:    
    7. Stereotactic Body Radiation Therapy and High-Dose-Rate Brachytherapy Boost in Combination With Intensity Modulated Radiation Therapy for Localized Prostate Cancer: A Single-Institution Propensity Score Matched Analysis. Int J Radiat Oncol Biol Phys. 2021 06 01; 110(2):429-437. Chen WC, Li Y, Lazar A, Altun A, Descovich M, Nano T, Ziemer B, Sudhyadhom A, Cunha A, Thomas H, Gottschalk A, Hsu IC, Roach M. PMID: 33385496.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    8. Use of Receiver Operating Curve Analysis and Machine Learning With an Independent Dose Calculation System Reduces the Number of Physical Dose Measurements Required for Patient-Specific Quality Assurance. Int J Radiat Oncol Biol Phys. 2021 03 15; 109(4):1086-1095. Hasse K, Scholey J, Ziemer BP, Natsuaki Y, Morin O, Solberg TD, Hirata E, Valdes G, Witztum A. PMID: 33197530.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    9. Attention-Aware Discrimination for MR-to-CT Image Translation Using Cycle-Consistent Generative Adversarial Networks. Radiol Artif Intell. 2020 Mar; 2(2):e190027. Kearney V, Ziemer BP, Perry A, Wang T, Chan JW, Ma L, Morin O, Yom SS, Solberg TD. PMID: 33937817; PMCID: PMC8017410.
      View in: PubMed   Mentions: 12  
    10. Automated Closed- and Open-Loop Validation of Knowledge-Based Planning Routines Across Multiple Disease Sites. Pract Radiat Oncol. 2019 Jul - Aug; 9(4):257-265. Kaderka R, Mundt RC, Li N, Ziemer B, Bry VN, Cornell M, Moore KL. PMID: 30826481.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    11. Comprehensive Assessment of Coronary Artery Disease by Using First-Pass Analysis Dynamic CT Perfusion: Validation in a Swine Model. Radiology. 2018 01; 286(1):93-102. Hubbard L, Lipinski J, Ziemer B, Malkasian S, Sadeghi B, Javan H, Groves EM, Dertli B, Molloi S. PMID: 29059038; PMCID: PMC5749593.
      View in: PubMed   Mentions: 16     Fields:    Translation:Animals
    12. Heuristic knowledge-based planning for single-isocenter stereotactic radiosurgery to multiple brain metastases. Med Phys. 2017 Oct; 44(10):5001-5009. Ziemer BP, Sanghvi P, Hattangadi-Gluth J, Moore KL. PMID: 28731267.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    13. Fully automated, comprehensive knowledge-based planning for stereotactic radiosurgery: Preclinical validation through blinded physician review. Pract Radiat Oncol. 2017 Nov - Dec; 7(6):e569-e578. Ziemer BP, Shiraishi S, Hattangadi-Gluth JA, Sanghvi P, Moore KL. PMID: 28711334.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    14. Functional Assessment of Coronary Artery Disease Using Whole-Heart Dynamic Computed Tomographic Perfusion. Circ Cardiovasc Imaging. 2016 Dec; 9(12). Hubbard L, Ziemer B, Lipinski J, Sadeghi B, Javan H, Groves EM, Malkasian S, Molloi S. PMID: 27956409; PMCID: PMC5517296.
      View in: PubMed   Mentions: 14     Fields:    Translation:AnimalsPHPublic Health
    15. Dynamic CT perfusion measurement in a cardiac phantom. Int J Cardiovasc Imaging. 2015 Oct; 31(7):1451-9. Ziemer BP, Hubbard L, Lipinski J, Molloi S. PMID: 26156231; PMCID: PMC6506264.
      View in: PubMed   Mentions: 15     Fields:    Translation:HumansPHPublic Health
    16. Energy response calibration of photon-counting detectors using x-ray fluorescence: a feasibility study. Phys Med Biol. 2014 Dec 07; 59(23):7211-27. Cho HM, Ding H, Ziemer BP, Molloi S. PMID: 25369288; PMCID: PMC4241961.
      View in: PubMed   Mentions: 3     Fields:    
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