WebA baseline b-value of 50 s/mm² is often used in liver diffusion-weighted imaging instead of b = 0. The reason is readily apparent from the images below. With b = 0 bright signals are noted in multiple veins due to the high T2 of blood coupled with sluggish flow. WebDiffusion is measured directly with an echo-based pulse sequence. The first part of the diffusion pulse sequence spatially labels, with a phase factor induced by gradient pulses, …

Frequently Asked Questions: Diffusion-Weighted Imaging (DWI)

WebAbstract. Background The diagnostic accuracy of diffusion-weighted imaging (DWI) to detect prostate cancer is well-established. DWI provides visual as well as quantitative means of detecting tumor, the apparent diffusion coefficient (ADC). Recently higher b-values have been used to improve DWI's diagnostic performance. http://www.xinapse.com/Manual/diff_gradient.html cs1716a aten

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WebDec 20, 2024 · Private vendor: Toshiba. The Toshiba Titan 3T (console software V2.30*R005) uses a standard DICOM attribute for b-value: (0018,9087) : Diffusion b-value (for instances with a non-zero b-value). NOTE: this attribute is missing for those instances with a b-value of zero. Gradients can be found in a private tag as follows: WebThe b0 image specifically refers to a non-diffusion weighted image where b = 0 s/mm^2. Selecting b values depends on what your goals are for the study. Diffusion tensor imaging (DTI) for... WebThe measured MD is influenced by the choice of b-values, as diffusion weighted imaging exhibits monoexponential signal decay only over a certain range of b-values. The ADC (MD) of the kidney is much higher than those of other organs and has been commonly reported to be between 2.5 and 2.9 mm 2 /s. cs171 caltech