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

  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},
  pages={2385 - 2398}
To perform multi‐echo water/fat separated proton resonance frequency (PRF)‐shift temperature mapping. 
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
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PRFS- Based MR Thermometry with Correction for Fat Interference
  • Hang LiuG. Shen Han Wang
  • Physics
    2019 12th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI)
  • 2019
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
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.
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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).
Recent Technological Advancements in Thermometry.
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The positive outcomes evident from various phase III randomized trials and meta-analysis with thermoradiotherapy or thermochemoradiotherapy justifies the integration of hyperthermia in the therapeutic armamentarium of clinical management of cancer, especially in low-middle-income group countries.


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An image acquisition and postprocessing method, called water and fat thermal MRI, is demonstrated in phantoms containing 30:70, 50:50, and 70:30 water‐to‐fat by volume, using a miniannular phased radiofrequency array.
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