Web13 de set. de 2006 · The aim of our study was to investigate the usefulness of high-b-value diffusion-weighted (DW) MR imaging in patients with acute cerebral infarction. DW images at b-values of 1,000, 2,000, and 3,000 s/mm2 were performed for 32 patients 48 h after the onset of stroke using a 1.5 T clinical imager. The area of restricted diffusion became … Web5 de abr. de 2024 · Moreover, DWI is highly valued for diagnosing middle ear cholesteatoma 29, 30 which has a high signal intensity. 23 Compared to traditional MRI, various DWI sequences considerably improved in the diagnosis of cholesteatoma and provided a variation of conventional MRI sequences that use the principle of molecular diffusion or …
Computed high b-value diffusion-weighted imaging improves …
Web20 de mar. de 2024 · 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 terms, highly cellular tissues or those with cellular swelling exhibit lower diffusion coefficients. Diffusion is particularly useful in tumor characterization and … WebBackground: Diffusion-weighted imaging (DWI) is considered by experts as one of the key elements in multi-parametric magnetic resonance imaging (mpMRI) employed in oncological studies outside the brain. A low-to-high b value ratio DWI has been proposed as an approach to decrease acquisition time and simplify the analysis of DWI data without the … dwight cribb personalberatung gmbh
High b-value diffusion-weighted MR imaging of normal …
WebResults: More lesions were visible on acquired b = 2000 s/mm (2) compared to b = 1000 s/mm (2) DWI. Calculated high b value DWI using the IVIM model had approximately … Web20 de mar. de 2024 · This is because of overlapping signal intensities on DWI and ADC maps. 3, 4. Recently, high-b-value DWI (HBV-DWI) was shown to improve the diagnostic performance of DWI in the detection of high grade gliomas and prostate cancer. 5, 6 Seo HS showed that DWI at b = 3000 s mm – 2 is more useful than DWI at b = 1000 s mm – … Web12 de out. de 2024 · This article reviews recent technical developments and clinical applications in cancer imaging using DWI, with a special emphasis on high b-value diffusion models. The article is organized in four sections. First, we provide an overview of diffusion models that are relevant to cancer imaging. crystal insulator