Benjamin Ziemer, PhD
Assistant Professor
Radiation Oncology
School of Medicine

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.

Awards

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• Norm Baily Award, American Association of Physicists in Medicine - Southern California Chapter, 2016
• Best in Physics - Imagining Award, American Association of Physicists in Medicine, 2015
• Visiting Scholars Grant, Fermi National Accelerator Laboratory, 2009
• Visiting Scholars Grant, Fermi National Accelerator Laboratory, 2008
• Master's Degree Fellowship, University of California Irvine, 2005-2006
• Chinese Department Language Award, University of Wisconsin Madison, 2002-2003

Education & Training

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• Diversity, Equity and Inclusion Champion Training University of California 2021
• Therapeutic Physics Residency University of California 6/2019
• Therapeutic Physics PostDoc University of California 6/2017
• Imaging Physics PostDoc University of California 5/2015
• PhD Experimental Particle Physics University of California 05/2012
• MS Experimental Particle Physics University of California 05/2006
• BS Chemistry University of Wisconsin 05/2003
• BS Mathematics University of Wisconsin 05/2003
• BS Physics University of Wisconsin 05/2003

Websites

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• Research Group Page (bpziemerlab.ucsf.edu)

Publications (16)

Top publication keywords:
Whole-Body IrradiationCoronary CirculationModels, CardiovascularKnowledge BasesMyocardial Perfusion ImagingRadiotherapy DosageRadiation InjuriesRadiotherapy Planning, Computer-AssistedTungstenPhantoms, ImagingHeuristicsModels, AnatomicRadiotherapy, Intensity-ModulatedRadiosurgeryBrain Neoplasms

• Development and multi-institutional validation of a convolutional neural network to detect vertebral body mis-alignments in 2D x-ray setup images.
  Medical physics 2023 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
• Quality Assurance for AI-Based Applications in Radiation Therapy.
  Seminars in radiation oncology 2022 Claessens M, Oria CS, Brouwer CL, Ziemer BP, Scholey JE, Lin H, Witztum A, Morin O, Naqa IE, Van Elmpt W, Verellen D
• Adverse radiation effect and freedom from progression following repeat stereotactic radiosurgery for brain metastases.
  Journal of neurosurgery 2022 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
• Resection with intraoperative cesium-131 brachytherapy as salvage therapy for recurrent brain tumors.
  Journal of neurosurgery 2022 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, …
• 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.
  International journal of radiation oncology, biology, physics 2020 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
• 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.
  International journal of radiation oncology, biology, physics 2020 Hasse K, Scholey J, Ziemer BP, Natsuaki Y, Morin O, Solberg TD, Hirata E, Valdes G, Witztum A
• Attention-Aware Discrimination for MR-to-CT Image Translation Using Cycle-Consistent Generative Adversarial Networks.
  Radiology. Artificial intelligence 2020 Kearney V, Ziemer BP, Perry A, Wang T, Chan JW, Ma L, Morin O, Yom SS, Solberg TD
• Automated Closed- and Open-Loop Validation of Knowledge-Based Planning Routines Across Multiple Disease Sites.
  Practical radiation oncology 2019 Kaderka R, Mundt RC, Li N, Ziemer B, Bry VN, Cornell M, Moore KL
• Comprehensive Assessment of Coronary Artery Disease by Using First-Pass Analysis Dynamic CT Perfusion: Validation in a Swine Model.
  Radiology 2017 Hubbard L, Lipinski J, Ziemer B, Malkasian S, Sadeghi B, Javan H, Groves EM, Dertli B, Molloi S
• Heuristic knowledge-based planning for single-isocenter stereotactic radiosurgery to multiple brain metastases.
  Medical physics 2017 Ziemer BP, Sanghvi P, Hattangadi-Gluth J, Moore KL
• Fully automated, comprehensive knowledge-based planning for stereotactic radiosurgery: Preclinical validation through blinded physician review.
  Practical radiation oncology 2017 Ziemer BP, Shiraishi S, Hattangadi-Gluth JA, Sanghvi P, Moore KL
• Functional Assessment of Coronary Artery Disease Using Whole-Heart Dynamic Computed Tomographic Perfusion.
  Circulation. Cardiovascular imaging 2016 Hubbard L, Ziemer B, Lipinski J, Sadeghi B, Javan H, Groves EM, Malkasian S, Molloi S
• Dynamic CT perfusion measurement in a cardiac phantom.
  The international journal of cardiovascular imaging 2015 Ziemer BP, Hubbard L, Lipinski J, Molloi S
• Energy response calibration of photon-counting detectors using x-ray fluorescence: a feasibility study.
  Physics in medicine and biology 2014 Cho HM, Ding H, Ziemer BP, Molloi S
• Adverse radiation effect versus tumor progression following stereotactic radiosurgery for brain metastases: Implications of radiologic uncertainty.
  Journal of neuro-oncology 2024 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
• Tungsten Filled 3-Dimensional Printed Lung Blocks for Total Body Irradiation.
  Practical radiation oncology 2023 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