Research Topics
| A PirzkallSummaryAffiliation: University of California Country: USA Publications
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Detail Information
Publications
Intensity modulated radiotherapy (IMRT) for recurrent, residual, or untreated skull-base meningiomas: preliminary clinical experienceAndrea Pirzkall
Department of Clinical Radiology, University of Heidelberg, Germany
Int J Radiat Oncol Biol Phys 55:362-72. 2003..To investigate the feasibility of using intensity modulated radiotherapy (IMRT) for complex-shaped benign meningiomas of the skull base and report clinical experience...
Comparison of intensity-modulated radiotherapy with conventional conformal radiotherapy for complex-shaped tumorsA Pirzkall
Department of Clinical Radiology, University of Heidelberg, Heidelberg, Germany
Int J Radiat Oncol Biol Phys 48:1371-80. 2000..Conformal and intensity-modulated radiotherapy (IMRT) plans for 9 patients were compared based on characterization of plan quality and effects on the oncology department...
3D MRSI for resected high-grade gliomas before RT: tumor extent according to metabolic activity in relation to MRIAndrea 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....
MR-spectroscopy guided target delineation for high-grade gliomasA Pirzkall
Department of Radiation Oncology, University of California, San Francisco, San Francisco, CA 94143 0226, USA
Int J Radiat Oncol Biol Phys 50:915-28. 2001..We assessed the impact MRSI might have on the target volumes used for radiation therapy treatment planning for high-grade gliomas...
Metabolic imaging of low-grade gliomas with three-dimensional magnetic resonance spectroscopyAndrea 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...
The effect of beam energy and number of fields on photon-based IMRT for deep-seated targetsAndrea Pirzkall
Department of Radiation Oncology, University of California, San Francisco, San Francisco, CA 94143 0226, USA
Int J Radiat Oncol Biol Phys 53:434-42. 2002..To examine the influence of energy and number of beams on nontarget dose when using intensity-modulated radiation therapy (IMRT) to treat deep-seated targets...
Radiosurgery alone or in combination with whole-brain radiotherapy for brain metastasesA Pirzkall
Department of Radiation Oncology, University of Heidelberg, Germany
J Clin Oncol 16:3563-9. 1998..Evaluation of the treatment outcome after radiosurgery (RS) alone or in combination with whole-brain radiotherapy (WBRT) with special attention to prescribed dose and its influence on local control and survival...
Proton magnetic resonance spectroscopy imaging in the evaluation of patients undergoing gamma knife surgery for Grade IV gliomaAntoinette A Chan
Department of Radiology, University of California, San Francisco, California 94107-1739, USA
J Neurosurg 101:467-75. 2004..This difference was statistically significant (p < 0.01). CONCLUSIONS: Analysis of the results of this study indicates that patients undergoing GKS may benefit from the inclusion of 1H-MRS imaging in the treatment planning process...
Patterns of recurrence analysis in newly diagnosed glioblastoma multiforme after three-dimensional conformal radiation therapy with respect to pre-radiation therapy magnetic resonance spectroscopic findingsIlwoo Park
Surbeck Laboratory of Advanced Imaging, Department of Radiology, University of California San Francisco, San Francisco, CA, USA
Int J Radiat Oncol Biol Phys 69:381-9. 2007....
Relationship of pre-surgery metabolic and physiological MR imaging parameters to survival for patients with untreated GBMForrest W Crawford
Department of Radiology, University of California San Francisco, 1700 4th Street, San Francisco, CA 94143 2532, USA
J Neurooncol 91:337-51. 2009..These parameters may provide useful information for predicting outcome and for the stratification of patients into high or low risk groups for clinical trials...
Evaluation of MR markers that predict survival in patients with newly diagnosed GBM prior to adjuvant therapySuja Saraswathy
Department of Radiology and Biomedical Imaging, UCSF, Box 2532, Byers Hall, 1700 4th Street, San Francisco, CA, 94143 2532, USA
J Neurooncol 91:69-81. 2009..This information may be important for stratifying patients to specific treatment protocols and for planning focal therapy...
Longitudinal multivoxel MR spectroscopy study of pediatric diffuse brainstem gliomas treated with radiotherapyAnne Laprie
Department of Radiology, University of California, San Francisco, San Francisco, CA 94107-1739, USA
Int J Radiat Oncol Biol Phys 62:20-31. 2005..Longitudinal multivoxel MRSI measurements have potential value in assessing response to radiation or other therapies, because they offer more coverage than single-voxel techniques and provide reliable spectral data...
Registration of magnetic resonance spectroscopic imaging to computed tomography for radiotherapy treatment planningE E Graves
Department of Radiology, University of California, San Francisco 94143, USA
Med Phys 28:2489-96. 2001..These images were sent via DICOM transfer to the treatment planning workstation. An analysis of the reproducibility of the..
High efficacy of fractionated stereotactic radiotherapy of large base-of-skull meningiomas: long-term resultsJ Debus
Department of Radiation Oncology, University of Heidelberg, and Research Program, Radiological Diagnostics and Therapy, German Cancer Research Center, Heidelberg, Germany
J Clin Oncol 19:3547-53. 2001..We analyzed the long-term results of patients with skull-base meningiomas treated by a new approach with high-precision fractionated stereotactic radiotherapy...
Tumor regrowth between surgery and initiation of adjuvant therapy in patients with newly diagnosed glioblastomaAndrea Pirzkall
Department of Radiology and Margaret Hart Surbeck Laboratory of Advanced Imaging, University of California, San Francisco, San Francisco, CA, USA
Neuro Oncol 11:842-52. 2009..The acquisition of metabolic and physiologic imaging data prior to adjuvant therapy may also be valuable in assessing regions of new CE and nonenhancing tumor...
Potential value of MR spectroscopic imaging for the radiosurgical management of patients with recurrent high-grade gliomasCynthia F Chuang
Department of Radiation Oncology, University of California, San Francisco, Box 0226, San Francisco, CA 94143 0226, USA
Technol Cancer Res Treat 6:375-82. 2007....
Survival analysis in patients with glioblastoma multiforme: predictive value of choline-to-N-acetylaspartate index, apparent diffusion coefficient, and relative cerebral blood volumeJoonmi Oh
Magnetic Resonance Science Center, Department of Radiology, University of California, San Francisco, California 94107, USA
J Magn Reson Imaging 19:546-54. 2004....
1H-MRSI of radiation effects in normal-appearing white matter: dose-dependence and impact on automated spectral classificationMichael C Lee
Magnetic Resonance Science Center, Department of Radiology, University of California San Francisco, San Francisco, California 94107 1739, USA
J Magn Reson Imaging 19:379-88. 2004..To identify radiation-induced changes in healthy white-matter spectra in the first six months following radiotherapy, and assess the impact of these changes on an automated algorithm for detecting spectral abnormalities...
Histopathological validation of a three-dimensional magnetic resonance spectroscopy index as a predictor of tumor presenceTracy R McKnight
Department of Radiology, Biostatistics Core, Comprehensive Cancer Center, University of California, San Francisco 94143, USA
J Neurosurg 97:794-802. 2002..The information gleaned from the biopsy correlation study was used to test the hypothesis that there is metabolically active tumor in nonenhancing regions of the T2-hyperintense lesion that can be detected using MR spectroscopy...
In vivo molecular imaging for planning radiation therapy of gliomas: an application of 1H MRSISarah J Nelson
Mgnetic Resonance Science Center, Department of Radiology, University of California, San Francisco, California 94143, USA
J Magn Reson Imaging 16:464-76. 2002..Further work is required to integrate the results of the H-MRSI examination into the treatment planning workstation, and to improve the quality of the data using more sensitive phased array coils and higher field strength magnets...
Ex vivo MR spectroscopic measure differentiates tumor from treatment effects in GBMRadhika Srinivasan
Department of Radiology and Biomedical Imaging, 1700 4th Street, Byers Hall, Suite 301, San Francisco, CA 94143 2532, USA
Neuro Oncol 12:1152-61. 2010..Low levels of MCI for tumor were associated with a reduced apparent diffusion coefficient and elevated choline-N-acetyl-aspartate index derived from in vivo MR images...
Adjuvant treatment of brain metastasesF Lohr
Department of Clinical Radiology, University of Heidelberg, Heidelberg, Germany frank
Semin Surg Oncol 20:50-6. 2001..However, RS is definitely an excellent option for salvage and palliation in patients with short life expectancy, as it is simultaneously noninvasive and cost-effective, with short hospitalization times...
Analysis of the spatial characteristics of metabolic abnormalities in newly diagnosed glioma patientsXiaojuan Li
Department of Radiology, Magnetic Resonance Science Center, University of California-San Francisco, San Francisco, California 94143, USA
J Magn Reson Imaging 16:229-37. 2002..CONCLUSION: These 3D-MRSI data provide important additional information to conventional MRI for evaluating and characterizing gliomas...
Comparison of intensity-modulated radiosurgery with gamma knife radiosurgery for challenging skull base lesionsJean L Nakamura
Department of Radiation Oncology, University of California, San Francisco, School of Medicine, San Francisco, CA 94143, USA
Int J Radiat Oncol Biol Phys 55:99-109. 2003....
Linac-based radiosurgery of cerebral melanoma metastases. Analysis of 122 metastases treated in 64 patientsKlaus K Herfarth
Division of Radiation Oncology, German Cancer Research Center, and Department of Radiation Oncology, University of Heidelberg, Germany
Strahlenther Onkol 179:366-71. 2003..We retrospectively analyzed patients with brain metastases of malignant melanoma who were treated at our institution for outcome and prognostic factors...
