David A Larson

Summary

Affiliation: University of California
Country: USA

Publications

  1. pmc Permanent iodine 125 brachytherapy in patients with progressive or recurrent glioblastoma multiforme
    David A Larson
    Department of Radiation Oncology, University of California San Francisco, San Francisco, CA 94143, USA
    Neuro Oncol 6:119-26. 2004
  2. doi request reprint Surgical resection and permanent iodine-125 brachytherapy for brain metastases
    Kim Huang
    Department of Radiation Oncology, University of California San Francisco, 505 Parnassus Avenue, Room L 08, San Francisco, CA, 94143 0226, USA
    J Neurooncol 91:83-93. 2009
  3. ncbi request reprint Phase I trial of gross total resection, permanent iodine-125 brachytherapy, and hyperfractionated radiotherapy for newly diagnosed glioblastoma multiforme
    Allen M Chen
    Department of Radiation Oncology, University of California, San Francisco School of Medicine, San Francisco, CA 94143 0226, USA
    Int J Radiat Oncol Biol Phys 69:825-30. 2007
  4. doi request reprint Impact of millimeter-level margins on peripheral normal brain sparing for gamma knife radiosurgery
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, California Electronic address
    Int J Radiat Oncol Biol Phys 89:206-13. 2014
  5. doi request reprint Reliability of contour-based volume calculation for radiosurgery
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, CA 94143, USA
    J Neurosurg 117:203-10. 2012
  6. doi request reprint High-precision volume-staged Gamma Knife surgery and equivalent hypofractionation dose schedules for treating large arteriovenous malformations
    Shannon Fogh
    Department of Radiation Oncology, University of California, San Francisco, California 94143, USA
    J Neurosurg 117:115-9. 2012
  7. ncbi request reprint 3D MRSI for resected high-grade gliomas before RT: tumor extent according to metabolic activity in relation to MRI
    Andrea Pirzkall
    Department of Radiation Oncology, University of California, San Francisco, School of Medicine, San Francisco, CA 94143 0226, USA
    Int J Radiat Oncol Biol Phys 59:126-37. 2004
  8. doi request reprint Apparatus dependence of normal brain tissue dose in stereotactic radiosurgery for multiple brain metastases
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, 94143, USA
    J Neurosurg 114:1580-4. 2011
  9. ncbi request reprint Comparison between prone and supine patient setup for spine stereotactic body radiosurgery
    Martina Descovich
    Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, USA
    Technol Cancer Res Treat 11:229-36. 2012
  10. doi request reprint Equivalence in dose fall-off for isocentric and nonisocentric intracranial treatment modalities and its impact on dose fractionation schemes
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, CA 94143, USA
    Int J Radiat Oncol Biol Phys 76:943-8. 2010

Detail Information

Publications44

  1. pmc Permanent iodine 125 brachytherapy in patients with progressive or recurrent glioblastoma multiforme
    David A Larson
    Department of Radiation Oncology, University of California San Francisco, San Francisco, CA 94143, USA
    Neuro Oncol 6:119-26. 2004
    ..We conclude that permanent 125I brachytherapy for recurrent or progressive GM is well tolerated. Survival time was comparable to that of a similar group of patients treated with temporary brachytherapy...
  2. doi request reprint Surgical resection and permanent iodine-125 brachytherapy for brain metastases
    Kim Huang
    Department of Radiation Oncology, University of California San Francisco, 505 Parnassus Avenue, Room L 08, San Francisco, CA, 94143 0226, USA
    J Neurooncol 91:83-93. 2009
    ..To evaluate the efficacy and toxicity of surgical resection and permanent iodine-125 brachytherapy without adjuvant whole brain radiation therapy (WBRT) for brain metastases...
  3. ncbi request reprint Phase I trial of gross total resection, permanent iodine-125 brachytherapy, and hyperfractionated radiotherapy for newly diagnosed glioblastoma multiforme
    Allen M Chen
    Department of Radiation Oncology, University of California, San Francisco School of Medicine, San Francisco, CA 94143 0226, USA
    Int J Radiat Oncol Biol Phys 69:825-30. 2007
    ..To evaluate the feasibility of gross total resection and permanent I-125 brachytherapy followed by hyperfractionated radiotherapy for patients with newly diagnosed glioblastoma...
  4. doi request reprint Impact of millimeter-level margins on peripheral normal brain sparing for gamma knife radiosurgery
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, California Electronic address
    Int J Radiat Oncol Biol Phys 89:206-13. 2014
    ..To investigate how millimeter-level margins beyond the gross tumor volume (GTV) impact peripheral normal brain tissue sparing for Gamma Knife radiosurgery...
  5. doi request reprint Reliability of contour-based volume calculation for radiosurgery
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, CA 94143, USA
    J Neurosurg 117:203-10. 2012
    ..The aim of this study was to determine the reliability of contour-based volume calculations made by current major SRS platforms...
  6. doi request reprint High-precision volume-staged Gamma Knife surgery and equivalent hypofractionation dose schedules for treating large arteriovenous malformations
    Shannon Fogh
    Department of Radiation Oncology, University of California, San Francisco, California 94143, USA
    J Neurosurg 117:115-9. 2012
    ....
  7. ncbi request reprint 3D MRSI for resected high-grade gliomas before RT: tumor extent according to metabolic activity in relation to MRI
    Andrea Pirzkall
    Department of Radiation Oncology, University of California, San Francisco, School of Medicine, San Francisco, CA 94143 0226, USA
    Int J Radiat Oncol Biol Phys 59:126-37. 2004
    ....
  8. doi request reprint Apparatus dependence of normal brain tissue dose in stereotactic radiosurgery for multiple brain metastases
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, 94143, USA
    J Neurosurg 114:1580-4. 2011
    ..The goal of this study was to investigate whether the dose to normal brain when planning radiosurgery to multiple targets is apparatus dependent...
  9. ncbi request reprint Comparison between prone and supine patient setup for spine stereotactic body radiosurgery
    Martina Descovich
    Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, USA
    Technol Cancer Res Treat 11:229-36. 2012
    ..In addition, prone plans resulted in a lower number of monitor units compared to supine plans...
  10. doi request reprint Equivalence in dose fall-off for isocentric and nonisocentric intracranial treatment modalities and its impact on dose fractionation schemes
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, CA 94143, USA
    Int J Radiat Oncol Biol Phys 76:943-8. 2010
    ..To investigate whether dose fall-off characteristics would be significantly different among intracranial radiosurgery modalities and the influence of these characteristics on fractionation schemes in terms of normal tissue sparing...
  11. doi request reprint Nonrandom intrafraction target motions and general strategy for correction of spine stereotactic body radiotherapy
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, California 94143, USA
    Int J Radiat Oncol Biol Phys 75:1261-5. 2009
    ..The dependence of target motions, as well as the effectiveness of the correction strategy for lesions of different locations within the spine, was analyzed...
  12. doi request reprint Stereotactic body radiotherapy is effective salvage therapy for patients with prior radiation of spinal metastases
    Arjun Sahgal
    Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, USA
    Int J Radiat Oncol Biol Phys 74:723-31. 2009
    ..To provide actuarial outcomes and dosimetric data for spinal/paraspinal metastases, with and without prior radiation, treated with stereotactic body radiotherapy (SBRT)...
  13. ncbi request reprint A phase II study of concurrent temozolomide and cis-retinoic acid with radiation for adult patients with newly diagnosed supratentorial glioblastoma
    Nicholas Butowski
    Department of Neurological Surgery, University of California San Francisco, San Francisco, CA, USA
    Int J Radiat Oncol Biol Phys 61:1454-9. 2005
    ....
  14. ncbi request reprint Apparatus-dependent dosimetric differences in spine stereotactic body radiotherapy
    Lijun Ma
    Department of Radiation Oncology, University of California San Francisco, San Francisco, California, USA
    Technol Cancer Res Treat 9:563-74. 2010
    ....
  15. doi request reprint Assessing small-volume spinal cord dose for repeat spinal stereotactic body radiotherapy treatments
    Lijun Ma
    Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, USA
    Phys Med Biol 57:7843-51. 2012
    ....
  16. ncbi request reprint Gamma knife radiosurgery for brainstem metastases: the UCSF experience
    Norbert Kased
    Department of Radiation Oncology, University of California San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143 0226, USA
    J Neurooncol 86:195-205. 2008
    ..To assess clinical and imaging outcomes in patients treated with Gamma Knife stereotactic radiosurgery (SRS) for brainstem metastases...
  17. ncbi request reprint Stereotactic radiosurgery and interstitial brachytherapy for glial neoplasms
    M W McDermott
    Department of Neurosurgery, University of California, San Francisco, CA, USA
    J Neurooncol 69:83-100. 2004
    ..This paper reviews the recent literature and results of the use of brachytherapy and radiosurgery in the management of newly diagnosed and recurrent malignant gliomas...
  18. doi request reprint Hippocampal Dose With Radiosurgery for Multiple Intracranial Targets: The Rationale for Proactive Beam Shaping
    Jennifer S Chang
    Department of Radiation Oncology, University of California, San Francisco, CA, USA
    Technol Cancer Res Treat 15:555-9. 2016
    ..These results raise the prospect that the risk of neurocognitive side effects may be further decreased with a hippocampal-sparing approach. ..
  19. pmc Variable dose interplay effects across radiosurgical apparatus in treating multiple brain metastases
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, 505 Parnassus Avenue, Room L 08, San Francisco, CA, 94143, USA
    Int J Comput Assist Radiol Surg 9:1079-86. 2014
    ..In this study, we investigated whether inter-target dose interplay effects across contemporary radiosurgical treatment platforms are responsible for such an observation...
  20. doi request reprint Shot sequencing based on biological equivalent dose considerations for multiple isocenter Gamma Knife radiosurgery
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, CA 94143, USA
    Phys Med Biol 56:7247-56. 2011
    ....
  21. ncbi request reprint Gamma knife radiosurgery for recurrent salivary gland malignancies involving the base of skull
    Nancy Lee
    Department of Radiation Oncology, University of California San Francisco, 505 Parnassus Ave, L 08 Box 0226, San Francisco, California 94143 0226, USA
    Head Neck 25:210-6. 2003
    ..The management of skull base recurrence of salivary gland tumors is challenging, because complete surgical resection and fractionated reirradiation are seldom possible. Experience is being gained with radiosurgery for this indication...
  22. ncbi request reprint Phase II study of high central dose Gamma Knife radiosurgery and marimastat in patients with recurrent malignant glioma
    David A Larson
    Department of Radiation Oncology, University of California, San Francisco, School of Medicine, San Francisco, CA 94143 0226, USA
    Int J Radiat Oncol Biol Phys 54:1397-404. 2002
    ..To assess the outcome of high central dose Gamma Knife radiosurgery plus marimastat in patients with recurrent malignant glioma...
  23. ncbi request reprint Surgical resection and permanent brachytherapy for recurrent atypical and malignant meningioma
    Marcus L Ware
    Department of Neurological Surgery and Radiation Oncology, University of California, San Francisco, San Francisco, California 94143, USA
    Neurosurgery 54:55-63; discussion 63-4. 2004
    ..The addition of brachytherapy at the time of operation is an option. Here, we report the results of our series of patients with recurrent malignant meningioma treated with resection and brachytherapy with permanent low-dose (125)I...
  24. ncbi request reprint Peripheral dose measurement for CyberKnife radiosurgery with upgraded linac shielding
    Cynthia F Chuang
    Department of Radiation Oncology, University of California, San Francisco, California 94143, USA
    Med Phys 35:1494-6. 2008
    ..At these distances, the CyberKnife peripheral dose remains higher than doses measured in our previous study for the model C Gamma Knife and IMRT...
  25. ncbi request reprint Normal Brain Sparing With Increasing Number of Beams and Isocenters in Volumetric-Modulated Arc Beam Radiosurgery of Multiple Brain Metastases
    Sabbir Hossain
    Department of Radiation Oncology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
    Technol Cancer Res Treat 15:766-771. 2016
    ..However, there is further technological development in need for volumetric-modulated arc radiotherapy before similar dosimetric treatment plans could be achievable when compared to Gamma Knife radiosurgery...
  26. doi request reprint Clinical realization of sector beam intensity modulation for Gamma Knife radiosurgery: a pilot treatment planning study
    Lijun Ma
    Department of Radiation Oncology, University of California, San Francisco, California Electronic address
    Int J Radiat Oncol Biol Phys 91:661-8. 2015
    ..To demonstrate the clinical feasibility and potential benefits of sector beam intensity modulation (SBIM) specific to Gamma Knife stereotactic radiosurgery (GKSRS)...
  27. ncbi request reprint Peripheral doses in CyberKnife radiosurgery
    Paula L Petti
    Department of Radiation Oncology, University of California, San Francisco, 505 Parnassus Avenue, Long 75 Box 0226, San Francisco, California 94143, USA
    Med Phys 33:1770-9. 2006
    ..For distances larger than 40 cm from the field edge, the CyberKnife peripheral dose is directly related to the number of MU delivered, since leakage radiation is the dominant component...
  28. ncbi request reprint Stereotactic radiosurgery for pediatric intracranial arteriovenous malformations: the University of California at San Francisco experience
    Matthew D Smyth
    Department of Neurological Surgery, University of California at San Francisco, 94143 0112, USA
    J Neurosurg 97:48-55. 2002
    ..In this study the authors describe a series of pediatric patients with a minimum follow-up duration of 36 months...
  29. doi request reprint A multicenter, prospective pilot study of gamma knife radiosurgery for mesial temporal lobe epilepsy: seizure response, adverse events, and verbal memory
    Nicholas M Barbaro
    Department of Neurological Surgery, University of California at San Francisco, 94143, USA
    Ann Neurol 65:167-75. 2009
    ..We report the 3-year outcomes of a multicenter, prospective pilot study of RS...
  30. doi request reprint Interval From Imaging to Treatment Delivery in the Radiation Surgery Age: How Long Is Too Long?
    Zachary A Seymour
    Department of Radiation Oncology, University of California at San Francisco, San Francisco, California Electronic address
    Int J Radiat Oncol Biol Phys 93:126-32. 2015
    ..The purpose of this study was to evaluate workflow and patient outcomes related to frameless stereotactic radiation surgery (SRS) for brain metastases...
  31. ncbi request reprint Optic nerve sheath meningioma: visual improvement during radiation treatment
    M Reza Vagefi
    Beckman Vision Center, University of California, San Francisco, San Francisco, California 94143, USA
    Am J Ophthalmol 142:343-4. 2006
    ..To describe four patients with optic nerve sheath meningioma in whom visual improvement began to occur even before completion of a standard course of radiation therapy...
  32. ncbi request reprint Anatomic landmarks versus fiducials for volume-staged gamma knife radiosurgery for large arteriovenous malformations
    Paula L Petti
    Department of Radiation Oncology, University of California, San Francisco, School of Medicine, San Francisco, CA 94143, USA
    Int J Radiat Oncol Biol Phys 67:1578-85. 2007
    ....
  33. ncbi request reprint Image-guided radiotherapy using megavoltage cone-beam computed tomography for treatment of paraspinous tumors in the presence of orthopedic hardware
    Eric K Hansen
    Department of Radiation Oncology, University of California San Francisco, San Francisco, CA 94115, USA
    Int J Radiat Oncol Biol Phys 66:323-6. 2006
    ..This report describes a new image-guided radiotherapy (IGRT) technique using megavoltage cone-beam computed tomography (MV-CBCT) to treat paraspinous tumors in the presence of orthopedic hardware...
  34. doi request reprint Estimating the probability of underdosing microscopic brain metastases with hippocampal-sparing whole-brain radiation
    Jennifer S Chang
    Department of Radiation Oncology, University of California, San Francisco, United States Electronic address
    Radiother Oncol 120:248-52. 2016
    ..This study examines the impact of variable levels of hippocampal sparing on the underdosing of potential brain metastases...
  35. pmc American College of Radiology (ACR) and American Society for Radiation Oncology (ASTRO) Practice Guideline for the Performance of Stereotactic Radiosurgery (SRS)
    Steven K Seung
    Department of Radiation Oncology, The Oregon Clinic, Portland, OR 97213, USA
    Am J Clin Oncol 36:310-5. 2013
    ..Adherence to these practice guidelines can be part of ensuring quality and patient safety in a successful SRS program...
  36. pmc Future directions in treatment of brain metastases
    Igor J Barani
    Department of Radiation Oncology, University of California, San Francisco, CA, USA
    Surg Neurol Int 4:S220-30. 2013
    ....
  37. ncbi request reprint Risk of cerebral metastases and neurological death after pathological complete response to neoadjuvant therapy for locally advanced nonsmall-cell lung cancer: clinical implications for the subsequent management of the brain
    Allen M Chen
    Department of Radiation Oncology, University of California, San Francisco UCSF, School of Medicine, San Francisco, California, USA
    Cancer 109:1668-75. 2007
    ..The incidence and pattern of brain metastases was analyzed among patients who achieved a pathological complete response (pCR) after neoadjuvant chemotherapy or chemoradiotherapy for locally advanced nonsmall-cell lung cancer (NSCLC)...
  38. doi request reprint Stereotactic Body Radiotherapy for Spinal Metastases: Practice Guidelines, Outcomes, and Risks
    Siavash Jabbari
    From the Department of Radiation Oncology, The Laurel Amtower Cancer Institute and Neuro oncology Center, Sharp HealthCare, San Diego, CA Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, Pa Department of Radiation Oncology, Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada Department of Radiation Oncology, University of California San Francisco, San Francisco, CA and Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Case Western Reserve University, Cleveland, OH
    Cancer J 22:280-9. 2016
    ..This review highlights the current state of the evidence, understanding of the late effects, and technological requirements for spine stereotactic body radiotherapy specific to spinal metastases. ..
  39. doi request reprint Radiation therapy of glioblastoma
    Igor J Barani
    Departments of Radiation Oncology and Neurological Surgery, University of California, 505 Parnassus Avenue, Room L08B, San Francisco, CA, 94143 0226, USA
    Cancer Treat Res 163:49-73. 2015
    ..These clinical trials are ongoing and merits of these strategies are not yet clear but appear promising...
  40. doi request reprint Stereotactic body radiotherapy: a new paradigm in the management of spinal metastases
    Zain A Husain
    Department of Radiation Oncology, Yale School of Medicine, New Haven, CT, USA
    CNS Oncol 2:259-70. 2013
    ....
  41. ncbi request reprint Metabolic imaging of low-grade gliomas with three-dimensional magnetic resonance spectroscopy
    Andrea Pirzkall
    Department of Radiation Oncology, University of California, San Francisco, School of Medicine, San Francisco, CA 94143, USA
    Int J Radiat Oncol Biol Phys 53:1254-64. 2002
    ..We performed a study examining the impact MRSI would have on the routine addition of 2-3-cm margins around MRI T2-weighted hyperintensity to generate the treatment planning clinical target volume (CTV) for low-grade gliomas...
  42. ncbi request reprint American Society for Therapeutic Radiology and Oncology and American College of Radiology practice guideline for the performance of stereotactic body radiation therapy
    Louis Potters
    Department of Radiation Oncology, South Nassau Communities Hospital, Oceanside, NY, USA
    Int J Radiat Oncol Biol Phys 60:1026-32. 2004
  43. doi request reprint Stereotactic body radiosurgery for spinal metastases: a critical review
    Arjun Sahgal
    Department of Radiation Oncology, Sunnybrook Odette Cancer Center, University of Toronto, Toronto, ON, Canada
    Int J Radiat Oncol Biol Phys 71:652-65. 2008
  44. ncbi request reprint Toward an expanded view of radiosurgery
    David A Larson
    Neurosurgery 58:E590; author reply E590. 2006