Results 251 to 260 of about 363,053 (298)

Repeatability of rectal cancer apparent diffusion coefficient measurements on a 1.5 T MR-linac. [PDF]

Phys Imaging Radiat Oncol
Eijkelenkamp H, Grimbergen G, McDonald B, Rutgers R, Schakel T, Beijst C, Philippens M, Meijer G, Intven M.   +8 more
europepmc   +1 more source

A novel model based on apparent diffusion coefficient and signal intensity on MRI to quantify subtle internal difference between tumor-adjacent and -distant liver tissues in T₃-staged resectable gallbladder carcinoma. [PDF]

BMC Med Imaging
Tang Z, Zhu XF, Ou J, Wu YP, Zhang XM, Tan BG, Chen TW.   +6 more
europepmc   +1 more source

MRI quantitative biomarkers focusing on apparent diffusion coefficient for predicting hemorrhagic transformation after thrombectomy: A PRISMA-DTA systematic review and meta-analysis. [PDF]

Interv Neuroradiol
Kiani I, Allami P, Saha A, Mahmoudzadeh H, Dmytriw AA.   +4 more
europepmc   +1 more source

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Biexponential apparent diffusion coefficients in prostate cancer

Magnetic Resonance Imaging, 2009
The purpose of this study was to investigate the need for biexponential signal decay modeling for prostate cancer diffusion signal decays with b-factor over an extended b-factor range.Ten healthy volunteers and 12 patients with a bulky prostate cancer underwent line scan diffusion-weighted MR imaging in which b-factors from 0 to 3000 s/mm(2) in 16 ...
Hiroshi, Shinmoto, Koichi, Oshio, Akihiro, Tanimoto, Nobuya, Higuchi, Shigeo, Okuda, Sachio, Kuribayashi, Robert V, Mulkern   +6 more
openaire   +2 more sources

Vertebral Metastases: Assessment with Apparent Diffusion Coefficient

Radiology, 2002
The authors evaluated the apparent diffusion coefficient (ADC) in the assessment of vertebral metastases and acute vertebral compression fractures in 22 patients with known or suspected vertebral metastases. On the basis of significantly (P
Andreas M, Herneth, Marcel O, Philipp, Jonathan, Naude, Martin, Funovics, Reinhard R, Beichel, Roland, Bammer, Herwig, Imhof   +6 more
openaire   +2 more sources

Apparent Diffusion Coefficient Approximation and Diffusion Anisotropy Characterization in DWI

2005
We present a new approximation for the apparent diffusion coefficient (ADC) of non-Gaussian water diffusion with at most two fiber orientations within a voxel. The proposed model approximates ADC profiles by product of two spherical harmonic series (SHS) up to order 2 from High Angular Resolution Diffusion-weighted (HARD) MRI data.
Yunmei Chen, Weihong Guo 0002, Qingguo Zeng, Xiaolu Yan, Murali Rao, Yijun Liu   +5 more
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Increased Brain Apparent Diffusion Coefficient in Tuberous Sclerosis

Radiology, 2004
To evaluate the water diffusivity of normal-appearing white matter (NAWM) in patients with tuberous sclerosis complex compared with that in control subjects.Diffusion and conventional magnetic resonance (MR) imaging examinations were performed in 18 patients with clinically established tuberous sclerosis complex (10 male and eight female patients; mean
GARACI, FRANCESCO, FLORIS, ROBERTO, Bozzao,A, MANENTI, GUGLIELMO, SIMONETTI, ALESSANDRA, Lupattelli,T, CURATOLO, PAOLO, SIMONETTI, GIOVANNI MARIA EGISTO   +7 more
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Usefulness of Testicular Volume, Apparent Diffusion Coefficient, and Normalized Apparent Diffusion Coefficient in the MRI Evaluation of Infertile Men With Azoospermia

American Journal of Roentgenology, 2018
The purpose of this article is to assess retrospectively the usefulness of testicular volume, apparent diffusion coefficient (ADC), and normalized ADC as measured using MRI in predicting the histopathologic grade of azoospermia and in differentiating obstructive from nonobstructive azoospermia.A computerized search generated a list of 30 infertile men ...
Byoung Hee, Han, Sung Bin, Park, Ju Tae, Seo, Yi Kyeong, Chun   +3 more
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Apparent Diffusion Coefficient Thresholds and Diffusion Lesion Volume in Acute Stroke

Journal of Stroke and Cerebrovascular Diseases, 2013
Apparent diffusion coefficient (ADC) thresholds are used to determine acute stroke lesion volume, but the reliability of this approach and comparability to the volume of the magnetic resonance diffusion-weighted imaging (MR-DWI) hyperintense lesion is unclear.We prospectively recruited and clinically assessed patients who had experienced acute ischemic
Ralph G R, Thomas, G Katherine, Lymer, Paul A, Armitage, Francesca M, Chappell, Trevor, Carpenter, Bartosz, Karaszewski, Martin S, Dennis, Joanna M, Wardlaw   +7 more
openaire   +2 more sources