
Apparent diffusion coefficient | Radiology Reference Article ...
Sep 18, 2025 · Apparent diffusion coefficient (ADC) is a measure of the magnitude of diffusion (of water molecules) within tissue, and is commonly clinically calculated using MRI with diffusion …
Diffusion-weighted imaging | Radiology Reference Article
Sep 18, 2025 · Diffusion-weighted imaging (DWI) is a form of MR imaging based upon measuring the random Brownian motion of water molecules within a voxel of tissue. In general simplified …
b values | Radiology Reference Article | Radiopaedia.org
Dec 19, 2025 · Apparent diffusion coefficient is calculated using different b-values (e.g. 0-1000 s/mm 2). A useful rule of thumb is to choose the b value such that (b X ADC) is nearly equal to 1.
Diffusion tensor imaging and fiber tractography - Radiopaedia.org
Aug 18, 2025 · the two main parameters derived from DTI data are mean diffusivity (MD), also referred to as apparent diffusion coefficient (ADC), and fractional anisotropy (FA)
T2 shine through | Radiology Reference Article | Radiopaedia.org
Sep 18, 2025 · ADC is a value that measures the effect of diffusion independent of the influence of T2 shine-through. ADC maps thus portray restricted diffusion, such as in ischemic injury, as …
Apparent diffusion coefficient | Radiology Reference Article ...
Oct 27, 2021 · Apparent diffusion coefficient (ADC) is a measure of the magnitude of diffusion (of water molecules) within tissue, and is commonly clinically calculated using MRI with diffusion …
T2 washout | Radiology Reference Article | Radiopaedia.org
Oct 14, 2022 · T2 washout is a phenomenon encountered on diffusion weighted imaging (DWI) which results in DWI images (e.g. b = 1000) appearing normal despite abnormal ADC maps.
MRI brain (summary) | Radiology Reference Article | Radiopaedia.org
Jan 12, 2025 · useful for areas of edema or inflammation used to identify plaques in multiple sclerosis (especially periventricular) DWI and ADC (diffusion-weighted imaging and apparent …
Diffusion-weighted imaging in acute ischemic stroke
Mar 25, 2025 · DWI is used to denote the entire sequence performed to acquire and calculate b=0 and b=1000 images, and apparent diffusion coefficient (ADC) maps. DWI is often, if not …
Toxoplasmosis vs lymphoma - Radiopaedia.org
Apr 13, 2025 · Toxoplasmosis and lymphoma have significant overlap in terms of diffusion characteristics, but toxoplasmosis tends to have more facilitated diffusion while lymphoma …