Search Results - "Oehmigen, Mark"
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A 32-channel parallel transmit system add-on for 7T MRI
Published in PloS one (12-09-2019)“…A 32-channel parallel transmit (pTx) add-on for 7 Tesla whole-body imaging is presented. First results are shown for phantom and in-vivo imaging. The add-on…”
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Impact of improved attenuation correction featuring a bone atlas and truncation correction on PET quantification in whole-body PET/MR
Published in European journal of nuclear medicine and molecular imaging (01-04-2018)“…Purpose Recent studies have shown an excellent correlation between PET/MR and PET/CT hybrid imaging in detecting lesions. However, a systematic underestimation…”
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Radiotracer dose reduction in integrated PET/MR: implications from national electrical manufacturers association phantom studies
Published in Journal of Nuclear Medicine (01-08-2014)“…With the replacement of ionizing CT by MR imaging, integrated PET/MR in selected clinical applications may reduce the overall patient radiation dose when…”
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Impact of Point-Spread Function Modeling on PET Image Quality in Integrated PET/MR Hybrid Imaging
Published in Journal of Nuclear Medicine (01-01-2016)“…The aim of this study was to systematically assess the quantitative and qualitative impact of including point-spread function (PSF) modeling into the process…”
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Improving the CT (140 kVp) to PET (511 keV) conversion in PET/MR hardware component attenuation correction
Published in Medical physics (Lancaster) (01-06-2020)“…Purpose Today, attenuation correction (AC) of positron emission tomography/magnetic resonance (PET/MR) hardware components is performed by using an established…”
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MR‐based truncation and attenuation correction in integrated PET/MR hybrid imaging using HUGE with continuous table motion
Published in Medical physics (Lancaster) (01-09-2017)“…Purpose The objective of this study was to introduce and evaluate a method for MR‐based attenuation and truncation correction in phantom and patient…”
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CAD‐based hardware attenuation correction in PET/MRI: First methodical investigations and clinical application of a 16‐channel RF breast coil
Published in Medical physics (Lancaster) (01-11-2021)“…Purpose Aim of this study was to evaluate the use of computer‐aided design (CAD) models for attenuation correction (AC) of hardware components in positron…”
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Whole-body hybrid imaging concept for the integration of PET/MR into radiation therapy treatment planning
Published in Physics in medicine & biology (07-05-2016)“…Modern radiation therapy (RT) treatment planning is based on multimodality imaging. With the recent availability of whole-body PET/MR hybrid imaging new…”
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Evaluation of improved CT‐based hardware attenuation correction in PET/MRI: Application to a 16‐channel RF breast coil
Published in Medical physics (Lancaster) (01-04-2022)“…Purpose The aim of this study was to compare and evaluate three different bilinear conversion curves for attenuation correction (AC) of a 16‐channel…”
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Integrated PET/MR breast cancer imaging: Attenuation correction and implementation of a 16-channel RF coil
Published in Medical physics (Lancaster) (01-08-2016)“…Purpose: This study aims to develop, implement, and evaluate a 16-channel radiofrequency (RF) coil for integrated positron emission tomography/magnetic…”
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Evaluation of improved attenuation correction in whole-body PET/MR on patients with bone metastasis using various radiotracers
Published in European journal of nuclear medicine and molecular imaging (01-09-2020)“…Purpose This study evaluates the quantitative effect of improved MR-based attenuation correction (AC), including bone segmentation and the HUGE method for…”
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A dual‐tuned 13C/1H head coil for PET/MR hybrid neuroimaging: Development, attenuation correction, and first evaluation
Published in Medical physics (Lancaster) (01-11-2018)“…Purpose This study aims to develop, implement, and evaluate a dual‐tuned 13C/1H head coil for integrated positron emission tomography/magnetic resonance…”
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A dual-tuned 13 C/ 1 H head coil for PET/MR hybrid neuroimaging: Development, attenuation correction, and first evaluation
Published in Medical physics (Lancaster) (01-11-2018)“…This study aims to develop, implement, and evaluate a dual-tuned C/ H head coil for integrated positron emission tomography/magnetic resonance (PET/MR)…”
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Local and whole-body staging in patients with primary breast cancer: a comparison of one-step to two-step staging utilizing 18F-FDG-PET/MRI
Published in European journal of nuclear medicine and molecular imaging (01-12-2018)“…Objectives The purpose of this study was to compare the diagnostic value of a one-step to a two-step staging algorithm utilizing 18 F-FDG PET/MRI in breast…”
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Local and whole-body staging in patients with primary breast cancer: a comparison of one-step to two-step staging utilizing 18 F-FDG-PET/MRI
Published in European journal of nuclear medicine and molecular imaging (01-12-2018)“…The purpose of this study was to compare the diagnostic value of a one-step to a two-step staging algorithm utilizing F-FDG PET/MRI in breast cancer patients…”
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