Mageras, Gikas

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selected publications

Real-time intraoperative evaluation of implant quality and dose correction during prostate brachytherapy consistently improves target coverage using a novel image fusion and optimization program. Practical radiation oncology. 2017 Academic Article GET IT
Times cited: 10
A geometric atlas to predict lung tumor shrinkage for radiotherapy treatment planning. Physics in medicine and biology. 2017 Academic Article GET IT
Times cited: 15
Semiautomatic tumor segmentation with multimodal images in a conditional random field framework. Journal of medical imaging (Bellingham, Wash.). 2016 Academic Article GET IT
Times cited: 2
Are fiducial markers useful surrogates when using respiratory gating to reduce motion of gastroesophageal junction tumors?. Acta oncologica (Stockholm, Sweden). 2016 Academic Article GET IT
Times cited: 12
Optimizing fiducial visibility on periodically acquired megavoltage and kilovoltage image pairs during prostate volumetric modulated arc therapy. Medical physics. 2016 Academic Article GET IT
Times cited: 8
Dose calculation for hypofractionated volumetric-modulated arc therapy: approximating continuous arc delivery and tongue-and-groove modeling. Journal of applied clinical medical physics. 2016 Academic Article GET IT
Times cited: 10
Simultaneous MV-kV imaging for intrafractional motion management during volumetric-modulated arc therapy delivery. Journal of applied clinical medical physics. 2016 Academic Article GET IT
Times cited: 28
Kilovoltage Imaging of Implanted Fiducials to Monitor Intrafraction Motion With Abdominal Compression During Stereotactic Body Radiation Therapy for Gastrointestinal Tumors. International journal of radiation oncology, biology, physics. 2015 Academic Article GET IT
Times cited: 11
Intrafractional 3D localization using kilovoltage digital tomosynthesis for sliding-window intensity modulated radiation therapy. Physics in medicine and biology. 2015 Academic Article GET IT
Times cited: 4
Technical Note: Intrafractional changes in time lag relationship between anterior-posterior external and superior-inferior internal motion signals in abdominal tumor sites. Medical physics. 2015 Academic Article GET IT
Adaptation, Commissioning, and Evaluation of a 3D Treatment Planning System for High-Resolution Small-Animal Irradiation. Technology in cancer research & treatment. 2015 Academic Article GET IT
Times cited: 6
Modeling pancreatic tumor motion using 4-dimensional computed tomography and surrogate markers. International journal of radiation oncology, biology, physics. 2015 Academic Article GET IT
Times cited: 22
Evaluation of tumor localization in respiration motion-corrected cone-beam CT: prospective study in lung. Medical physics. 2014 Academic Article GET IT
Times cited: 13
Automatic tracking of arbitrarily shaped implanted markers in kilovoltage projection images: a feasibility study. Medical physics. 2014 Academic Article GET IT
Times cited: 22
Local metric learning in 2D/3D deformable registration with application in the abdomen. IEEE transactions on medical imaging. 2014 Academic Article GET IT
Times cited: 15
Robust plan optimization for electromagnetic transponder guided hypo-fractionated prostate treatment using volumetric modulated arc therapy. Physics in medicine and biology. 2013 Academic Article GET IT
Times cited: 5
2D/3D Image Registration using Regression Learning. Computer vision and image understanding : CVIU. 2013 Academic Article GET IT
Toward correcting drift in target position during radiotherapy via computer-controlled couch adjustments on a programmable Linac. Medical physics. 2013 Academic Article GET IT
Times cited: 11
Safety considerations for IGRT: Executive summary. Practical radiation oncology. 2013 Academic Article GET IT
Times cited: 54
Investigation of gated cone-beam CT to reduce respiratory motion blurring. Medical physics. 2013 Academic Article GET IT
Times cited: 21
A study of respiration-correlated cone-beam CT scans to correct target positioning errors in radiotherapy of thoracic cancer. Medical physics. 2012 Academic Article GET IT
Times cited: 8
Incorporation of treatment plan spatial and temporal dose patterns into a prostate intrafractional motion management strategy. Medical physics. 2012 Academic Article GET IT
Times cited: 8
Interactive semiautomatic contour delineation using statistical conditional random fields framework. Medical physics. 2012 Academic Article GET IT
Times cited: 17
Reduction of irregular breathing artifacts in respiration-correlated CT images using a respiratory motion model. Medical physics. 2012 Academic Article GET IT
Times cited: 34
Evaluation of deformable image registration and a motion model in CT images with limited features. Physics in medicine and biology. 2012 Academic Article GET IT
Times cited: 35
Determination of action thresholds for electromagnetic tracking system-guided hypofractionated prostate radiotherapy using volumetric modulated arc therapy. Medical physics. 2011 Academic Article GET IT
Choreographing couch and collimator in volumetric modulated arc therapy. International journal of radiation oncology, biology, physics. 2011 Academic Article GET IT
Times cited: 46
Correction of motion artifacts in cone-beam CT using a patient-specific respiratory motion model. Medical physics. 2010 Academic Article GET IT
Dose correction strategy for the optimization of volumetric modulated arc therapy. Medical physics. 2010 Academic Article GET IT
Evaluation of respiration-correlated digital tomosynthesis in lung. Medical physics. 2010 Academic Article GET IT
Optimization of collimator trajectory in volumetric modulated arc therapy: development and evaluation for paraspinal SBRT. International journal of radiation oncology, biology, physics. 2010 Academic Article GET IT
Times cited: 49
From phase-based to displacement-based gating: a software tool to facilitate respiration-gated radiation treatment. Journal of applied clinical medical physics. 2009 Academic Article GET IT
Times cited: 20
A SHAPE-NAVIGATED IMAGE DEFORMATION MODEL FOR 4D LUNG RESPIRATORY MOTION ESTIMATION. Proceedings. IEEE International Symposium on Biomedical Imaging. 2009 Academic Article GET IT
Volumetric modulated arc therapy: planning and evaluation for prostate cancer cases. International journal of radiation oncology, biology, physics. 2009 Academic Article GET IT
Times cited: 168
Quality assurance challenges for motion-adaptive radiation therapy: gating, breath holding, and four-dimensional computed tomography. International journal of radiation oncology, biology, physics. 2008 Academic Article GET IT
Times cited: 50
Reproducibility of intratumor distribution of (18)F-fluoromisonidazole in head and neck cancer. International journal of radiation oncology, biology, physics. 2008 Academic Article GET IT
Times cited: 192
A patient-specific respiratory model of anatomical motion for radiation treatment planning. Medical physics. 2007 Academic Article GET IT
Times cited: 124
Automated finite-element analysis for deformable registration of prostate images. IEEE transactions on medical imaging. 2007 Academic Article GET IT
Times cited: 46
Phase and amplitude binning for 4D-CT imaging. Physics in medicine and biology. 2007 Academic Article GET IT
Times cited: 105
Observation of interfractional variations in lung tumor position using respiratory gated and ungated megavoltage cone-beam computed tomography. International journal of radiation oncology, biology, physics. 2007 Academic Article GET IT
Times cited: 55
Low-dose megavoltage cone-beam computed tomography for lung tumors using a high-efficiency image receptor. Medical physics. 2006 Academic Article GET IT
Times cited: 25
Integrating respiratory gating into a megavoltage cone-beam CT system. Medical physics. 2006 Academic Article GET IT
Times cited: 36
Evaluation of an automated deformable image matching method for quantifying lung motion in respiration-correlated CT images. Medical physics. 2006 Academic Article GET IT
Times cited: 57
Reduction of organ motion in lung tumors with respiratory gating. Lung cancer (Amsterdam, Netherlands). 2005 Academic Article GET IT
Times cited: 60
A new method of incorporating systematic uncertainties in intensity-modulated radiotherapy optimization. Medical physics. 2005 Academic Article GET IT
Times cited: 22
Effect of motion on tracer activity determination in CT attenuation corrected PET images: a lung phantom study. Medical physics. 2005 Academic Article GET IT
Times cited: 63
Introduction: management of target localization uncertainties in external-beam therapy. Seminars in radiation oncology. 2005 Academic Article GET IT
Times cited: 15
Interfractional anatomic variation in patients treated with respiration-gated radiotherapy. Journal of applied clinical medical physics. 2005 Academic Article GET IT
Times cited: 58
Comparison of end normal inspiration and expiration for gated intensity modulated radiation therapy (IMRT) of lung cancer. Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology. 2005 Academic Article GET IT
Times cited: 43
Developments in megavoltage cone beam CT with an amorphous silicon EPID: reduction of exposure and synchronization with respiratory gating. Medical physics. 2005 Academic Article GET IT
Times cited: 48
A method for determining the gantry angle for megavoltage cone beam imaging. Medical physics. 2005 Academic Article GET IT
Times cited: 4
Tumor motion control in the treatment of non small cell lung cancer. Cancer investigation. 2005 Academic Article GET IT
Times cited: 11
Four-dimensional (4D) PET/CT imaging of the thorax. Medical physics. 2004 Academic Article GET IT
Times cited: 275
Measurement of lung tumor motion using respiration-correlated CT. International journal of radiation oncology, biology, physics. 2004 Academic Article GET IT
Times cited: 202
The CT motion quantitation of lung lesions and its impact on PET-measured SUVs. Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 2004 Academic Article GET IT
Times cited: 243
Quantitation of respiratory motion during 4D-PET/CT acquisition. Medical physics. 2004 Academic Article GET IT
Times cited: 187
Dosimetric effect of respiratory motion in external beam radiotherapy of the lung. Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology. 2004 Academic Article GET IT
Times cited: 46
Evaluation of rapid dose map acquisition of a scanning liquid-filled ionization chamber electronic portal imaging device. International journal of radiation oncology, biology, physics. 2003 Academic Article GET IT
Times cited: 16
Development of a semi-automatic alignment tool for accelerated localization of the prostate. International journal of radiation oncology, biology, physics. 2003 Academic Article GET IT
Times cited: 37
Optimization of conformal thoracic radiotherapy using cone-beam CT imaging for treatment verification. International journal of radiation oncology, biology, physics. 2003 Academic Article GET IT
Times cited: 39
Respiratory gating for liver tumors: use in dose escalation. International journal of radiation oncology, biology, physics. 2003 Academic Article GET IT
Times cited: 190
Respiration-correlated spiral CT: a method of measuring respiratory-induced anatomic motion for radiation treatment planning. Medical physics. 2003 Academic Article GET IT
Times cited: 326
Cone-beam CT with megavoltage beams and an amorphous silicon electronic portal imaging device: potential for verification of radiotherapy of lung cancer. Medical physics. 2002 Academic Article GET IT
Times cited: 83
Effect of respiratory gating on reducing lung motion artifacts in PET imaging of lung cancer. Medical physics. 2002 Academic Article GET IT
Times cited: 224
Time trends in organ position and volume in patients receiving prostate three-dimensional conformal radiotherapy. Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology. 2002 Academic Article GET IT
Times cited: 30
Evaluation of respiratory movement during gated radiotherapy using film and electronic portal imaging. International journal of radiation oncology, biology, physics. 2002 Academic Article GET IT
Times cited: 217
An iterative EPID calibration procedure for dosimetric verification that considers the EPID scattering factor. Medical physics. 2001 Academic Article GET IT
Times cited: 24
Fluoroscopic evaluation of diaphragmatic motion reduction with a respiratory gated radiotherapy system. Journal of applied clinical medical physics. 2001 Academic Article GET IT
Technical aspects of the deep inspiration breath-hold technique in the treatment of thoracic cancer. International journal of radiation oncology, biology, physics. 2000 Academic Article GET IT
Times cited: 247
The deep inspiration breath-hold technique in the treatment of inoperable non-small-cell lung cancer. International journal of radiation oncology, biology, physics. 2000 Academic Article GET IT
Times cited: 325
Relative profile and dose verification of intensity-modulated radiation therapy. International journal of radiation oncology, biology, physics. 2000 Academic Article GET IT
Times cited: 68
Deep inspiration breath-hold technique for lung tumors: the potential value of target immobilization and reduced lung density in dose escalation. International journal of radiation oncology, biology, physics. 1999 Academic Article GET IT
Times cited: 474
Quantification and predictors of prostate position variability in 50 patients evaluated with multiple CT scans during conformal radiotherapy. Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology. 1999 Academic Article GET IT
Times cited: 203
Computerized design of target margins for treatment uncertainties in conformal radiotherapy. International journal of radiation oncology, biology, physics. 1999 Academic Article GET IT
Times cited: 60
Computer-controlled delivery of 3D conformal radiation treatments. Cancer treatment and research. 1998 Information Resource GET IT
Times cited: 5
Variation in prostate position quantitation and implications for three-dimensional conformal treatment planning. International journal of radiation oncology, biology, physics. 1997 Academic Article GET IT
Times cited: 160
Measurement of patient positioning errors in three-dimensional conformal radiotherapy of the prostate. International journal of radiation oncology, biology, physics. 1997 Academic Article GET IT
Times cited: 140
A method of incorporating organ motion uncertainties into three-dimensional conformal treatment plans. International journal of radiation oncology, biology, physics. 1996 Academic Article GET IT
Times cited: 109
The effects of out-of-plane rotations on two dimensional portal image registration in conformal radiotherapy of the prostate. International journal of radiation oncology, biology, physics. 1995 Academic Article GET IT
Times cited: 38
Three dimensional conformal treatment planning with multileaf collimators. International journal of radiation oncology, biology, physics. 1995 Academic Article GET IT
Times cited: 35
Control, Correction, and Modeling of Setup Errors and Organ Motion. Seminars in radiation oncology. 1995 Academic Article GET IT
Initial clinical experience with computer-controlled conformal radiotherapy of the prostate using a 50-MeV medical microtron. International journal of radiation oncology, biology, physics. 1994 Academic Article GET IT
Times cited: 19
The biological basis and clinical application of three-dimensional conformal external beam radiation therapy in carcinoma of the prostate. Seminars in oncology. 1994 Information Resource GET IT
Times cited: 91
Preclinical evaluation of the reliability of a 50 MeV racetrack microtron. International journal of radiation oncology, biology, physics. 1994 Academic Article GET IT
Times cited: 16
Perspectives of multidimensional conformal radiation treatment. Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology. 1993 Academic Article GET IT
Times cited: 23
Automatic generation of beam apertures. Medical physics. 1993 Academic Article GET IT
Times cited: 14
Application of fast simulated annealing to optimization of conformal radiation treatments. Medical physics. 1993 Academic Article GET IT
Times cited: 115
Advances in precision treatment: some aspects of 3D conformal radiation therapy. Frontiers of radiation therapy and oncology. 1993 Information Resource GET IT
Times cited: 2
Three-Dimensional Conformal Radiation Therapy at the Memorial Sloan-Kettering Cancer Center. Seminars in radiation oncology. 1992 Academic Article GET IT
A model for computer-controlled delivery of 3-D conformal treatments. Medical physics. 1992 Academic Article GET IT
Times cited: 43
Compensators for three-dimensional treatment planning. Medical physics. 1991 Academic Article GET IT
Times cited: 47

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Background

education and training

Ph.D., Columbia University 1982
M.S., University of California, Berkeley 1978
B.S., Massachusetts Institute of Technology 1976

Contact

full name

Gikas Mageras

VIVO Weill Cornell Medical College

Gikas Mageras Assistant Professor of Physics Research in Radiology

Publications

selected publications

Background

education and training

Contact

full name