Search Results - "Vandervoort, E."

Small composite field correction factors for the CyberKnife radiosurgery system: clinical and PCSR plans by Christiansen, E, Muir, B, Belec, J, Vandervoort, E

“…A formalism has been proposed for small and non-standard photon fields in which [Formula: see text] correction factors are used to correct dosimeter response…”
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Preoperative Versus Postoperative Radiosurgery for Brain Metastasis: Volumetric and Dosimetric Comparison by Vellayappan, B, Doody, J, Vandervoort, E, Szanto, J, Sinclair, J, Caudrelier, J.M, Malone, S

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Use of novel fibre-coupled radioluminescence and RADPOS dosimetry systems for total scatter factor measurements in small fields by Ploquin, N, Kertzscher, G, Vandervoort, E, Cygler, J E, Andersen, C E, Francescon, P

“…A dosimetry system based on Al2O3:C radioluminescence (RL), and RADPOS, a novel 4D dosimetry system using microMOSFETs, were used to measure total scatter…”
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PO-0814 CLINICAL IMPLEMENTATION AND QA OF MONTE CARLO-BASED- DOSE CALCULATION ALGORITHMS FOR ELECTRON BEAMS by Cygler, J, Vandervoort, E

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Dosimetric Comparison of 3 Techniques for Spine Stereotactic Body Radiation Therapy by Aljabab, S, Vellayappan, B, Vandervoort, E, Bahm, J, Zohr, R.E, Sinclair, J, Caudrelier, J.M, Szanto, J, Malone, S

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SU‐E‐T‐669: Clinical Implementation of a Commercial Monte Carlo Treatment Planning System for Electron Beams by Vandervoort, E, Cygler, J

“…Purpose: Several Monte Carlo (MC) based treatment planning systems are commercially available for electron beams and more users are implementing them in the…”
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1407 poster VERIFICATION AND CLINICAL IMPLEMENTATION OF A COMMERCIAL MONTE CARLO TREATMENT PLANNING SYSTEM FOR ELECTRON BEAMS by Cygler, J, Vandervoort, E

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PD-0036 OPTIMIZED OUTPUT FACTOR MEASUREMENT METHOD FOR CYBERKNIFE COLLIMATORS by Szanto, J, Henderson, E, Vandervoort, E

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SU‐E‐T‐424: Improved Dosimetric Accuracy for Cyberknife Patient Plans Using a Dual‐Detector Measurement Method for Relative Output Factors by Vandervoort, E, La Russa, D, Ploquin, N, Szanto, J, Henderson, E, Francescon, P

“…Purpose: The measurement of output factors (OFs) for small fields can lead to large dosimetric errors if detector effects are not accounted for. With its high…”
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Customized Head Cushions Reduce Patient Movement During Intracranial Radiosurgery by Haridass, A, Vandervoort, E, Szanto, J, Sinclair, J, Gratton, J, Malone, K, Malone, S

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OC-0517 SMALL FIELD DOSIMETRY USING OPTICAL-FIBER RADIOLUMINESCENCE AND RADPOS DOSIMETRY SYSTEMS by Ploquin, N, Kertzscher, G, Vandervoort, E, Andersen, C.E, Cygler, J

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An Analytical Scatter Correction for Singles-Mode Transmission Data in PET by Vandervoort, E., Sossi, V.

“…We present an analytical scatter correction, based upon the Klein-Nishina formula, for singles-mode transmission data in positron emission tomography (PET) and…”
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Pre-operative versus post-operative radiosurgery for brain metastasis: Effects on treatment volume and inter-observer variability by Vellayappan, B A, Doody, J, Vandervoort, E, Szanto, J, Sinclair, J, Caudrelier, J M, Malone, S

“…Compared to post-operative whole brain radiotherapy, resection cavity radiosurgery reduces impact on neuro-cognitive function and improves quality-of-life…”
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Sci—Thur AM: Planning ‐ 10: Improved dosimetric accuracy for patient specific quality assurance using a dual‐detector measurement method for cyberknife output factors by Vandervoort, E, La Russa, D, Ploquin, N, Kadir, I Ait El, Szanto, J

“…The measurement of output factors for small fields is challenging and can lead to large dose errors in patient treatments if corrections for detector size and…”
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Feasibility, Detectability, and Experience With Platinum Seed Internal Fiducial Markers for CT-MRI Fusion and Real-time Tumor Tracking During Stereotactic Ablative Radiation Therapy by Janardanan Nair, V, Szanto, J, Vandervoort, E, Henderson, E, Avruch, L, Malone, S, Pantarotto, J

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Sci—Fri PM: Delivery — 07: Cyberknife relative output factor measurements using fiber‐coupled luminescence, MOSFETS and RADPOS dosimetry system by Ploquin, N, Kertzscher, G, Vandervoort, E, Cygler, JE, Andersen, CE, Francescon, P

“…Novel dosimetry systems based on Al2O3:C radioluminescence (RL) and a 4D dosimetry system (RADPOS) from Best Medical Canada were used to measure the relative…”
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SU‐FF‐T‐415: Impact of Dm Vs. Dw in Electron Beam Monte Carlo Based Treatment Planning for Breast by Gil, E, Vandervoort, E, Clark, B, Cygler, JE

“…Purpose: One of the issues arising when using Monte Carlo based treatment planning systems is “dose‐to‐water (Dw)” vs. “dose‐to‐medium (Dm)” calculations. The…”
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Implementation of an analytically based scatter correction in SPECT reconstructions by Vandervoort, E., Celler, A., Wells, G., Blinder, S., Dixon, K., Yanxin Pang

“…Photon scattering is one of the main effects contributing to the degradation of image quality and to quantitative inaccuracy in nuclear imaging. We have…”
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Single nucleotide polymorphisms in collagenous lectins and other innate immune genes in pigs with common infectious diseases by Keirstead, N.D., Hayes, M.A., Vandervoort, G.E., Brooks, A.S., Squires, E.J., Lillie, B.N.

“…Innate immune recognition of pathogens involves various surface receptors and soluble proteins that precede agglutination, complement activation, phagocytosis,…”
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Sci—Sat AM(1): Planning — 10: Evaluation of a New Commercial Monte‐Carlo Treatment Planning System for Electrons by Vandervoort, EJ, Cygler, JE

“…It has long been understood that the Monte Carlo (MC) method is the most effective means for accurately computing the dose delivered by clinical electron…”
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