Multi‐echo MR thermometry using iterative separation of baseline water and fat images

@article{Poorman2019MultiechoMT,
  title={Multi‐echo MR thermometry using iterative separation of baseline water and fat images},
  author={Megan E Poorman and Ieva Bra{\vs}kutė and Lambertus W. Bartels and William A. Grissom},
  journal={Magnetic Resonance in Medicine},
  year={2019},
  volume={81},
  pages={2385 - 2398}
}
To perform multi‐echo water/fat separated proton resonance frequency (PRF)‐shift temperature mapping. 
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Interleaved water and fat MR thermometry for monitoring high intensity focused ultrasound ablation of bone lesions
To demonstrate that interleaved MR thermometry can monitor temperature in water and fat with adequate temporal resolution. This is relevant for high intensity focused uUltrasounds (HIFU) treatment of…
Multi‐echo gradient‐recalled‐echo phase unwrapping using a Nyquist sampled virtual echo train in the presence of high‐field gradients
To develop a spatio‐temporal approach to accurately unwrap multi‐echo gradient‐recalled echo phase in the presence of high‐field gradients.
Phase‐independent thermometry by Z‐spectrum MR imaging
TLDR
It is shown that Z-spectrum imaging can deliver reliable temperature change measurement in both muscular and fatty tissues and is therefore applicable in mixed tissues.
PRFS- Based MR Thermometry with Correction for Fat Interference
  • Hang Liu, G. Shen, Han Wang
  • Physics
    2019 12th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI)
  • 2019
TLDR
Results suggested the proposed geometric-model based method can compensate the deviation of measured temperature in fat phantoms and would be useful for applying PRFS-based thermometry in medium containing both fat and water.
A variable flip angle golden‐angle‐ordered 3D stack‐of‐radial MRI technique for simultaneous proton resonant frequency shift and T1‐based thermometry
TLDR
A variable‐flip‐angle golden‐angle‐ordered 3D stack‐of‐radial MRI technique for simultaneous proton resonance frequency shift (PRF) and T1‐based thermometry in aqueous and adipose tissues, respectively is developed and evaluated.
Real-time interactive magnetic resonance (MR) temperature imaging in both aqueous and adipose tissues using cascaded deep neural networks for MR-guided focused ultrasound surgery (MRgFUS)
TLDR
Real-time interactive HR MR temperature mapping for simultaneously measuring aqueous and adipose tissue is feasible by combining a cascaded convolutional neural network (CNN) framework and multi-echo gradient echo (meGRE) with a single reference variable flip angle (srVFA).
MR Thermometry Accuracy and Prospective Imaging-Based Patient Selection in MR-Guided Hyperthermia Treatment for Locally Advanced Cervical Cancer
TLDR
This study presents the first systematic analysis and defines an imaging-based criterion for prospective patient selection to standardize clinical MR thermometer accuracy assessments and found that gastrointestinal air motion at the start of the treatment, quantified by the Jaccard similarity coefficient, was a good predictor for MR thermometry accuracy.
Learning Multiparametric Biomarkers for Assessing MR-Guided Focused Ultrasound Treatment of Malignant Tumors
TLDR
A novel, noncontrast, learned multiparametric MR biomarker that can be used during treatment for intratreatment assessment, validated in a VX2 rabbit tumor model is presented.
Recent Technological Advancements in Thermometry.
Validating a Simulation Model for Laser-Induced Thermotherapy Using MR Thermometry
Laser-induced interstitial thermotherapy (LITT) is applied to ex-vivo porcine livers. An artificial blood vessel is used to study the cooling effect of larger blood vessels in proximity to the ablation…
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