Results 231 to 240 of about 90,345 (262)

Apparent Diffusion Coefficient in Breast MRI

ISMRM Annual Meeting
Diffusion weighted Imaging (DWI) acquisitions are often part of breast cancer MRI protocols. The signal intensity decrease as a function of the b-value in diffusion imaging is non-linear and complex with inconsistent Apparent Diffusion Coefficients. In this abstract, we investigate ADC mapping computation and accuracy.
Stephane Loubrie, Maren Andreassen, Ana Rodriguez-Soto, Michael Carl, Summer Batasin, Christopher Conlin, Tyler Seibert, Michael Hahn, Joshua Kuperman, Anders Dale, Rebecca Rakow-Penner   +10 more
openaire   +1 more source

Apparent diffusion coefficient in vasogenic edema and reactive astrogliosis

Neuroradiology, 2007
Distinguishing between vasogenic edema and reactive astrogliosis may be difficult in some instances. This study was performed to test the hypothesis that diffusion-weighted (DW) imaging with apparent diffusion coefficient (ADC) maps can be used to differentiate these two types of changes.The study population included 11 patients with perilesional ...
Thomas, Hagen, Frank, Ahlhelm, Werner, Reiche   +2 more
openaire   +2 more sources

Minimum apparent diffusion coefficient for the differential diagnosis of ganglioglioma

Neurological Research, 2009
The utility of apparent diffusion coefficient (ADC) values was evaluated for the differential diagnosis of ganglioglioma.Ten consecutive patients, five men and five women, aged from 14 to 67 years, with histologically proven supratentorial gangliogliomas, underwent diffusion-weighted magnetic resonance imaging with echo planar imaging technique.
Toshio, Kikuchi, Toshihiro, Kumabe, Shuichi, Higano, Mika, Watanabe, Teiji, Tominaga   +4 more
openaire   +2 more sources

Differentiation of submandibular sialadenitis based on apparent diffusion coefficient

Oral Diseases
AbstractObjectivesThis study aimed to quantify the submandibular gland in suppurative sialadenitis, primary Sjögren's syndrome (pSS) and radiation‐induced sialadenitis using the apparent diffusion coefficient (ADC) for differential diagnosis.Subjects and MethodsThis retrospective study included 16 patients with suppurative sialadenitis (n = 9), pSS (n =
Hirotaka Muraoka, Takashi Kaneda, Takumi Kondo, Naohisa Hirahara, Yuta Kohinata, Satoshi Tokunaga   +5 more
openaire   +2 more sources

Acinar determinants of the apparent diffusion coefficient for helium-3

Journal of Applied Physiology, 2010
The apparent diffusion coefficient (ADC) obtained by helium-3 magnetic resonance imaging over several seconds is thought to reflect diffusion impairment due to both intra- and interacinar structure. In this study, numerical simulations of intra-acinar gas mixing and effective diffusion were performed in a multiple-branch-point model of the human ...
Verbanck, Sylvia, Paiva, Manuel
openaire   +4 more sources

Age dependence of the renal apparent diffusion coefficient in children

Pediatric Radiology, 2003
Diffusion imaging has proved to be a powerful tool for diagnosing ischemic lesions in the brain, and the technique is now being applied to other organs, including the kidneys. For quantitative studies it is important to define the normal values of the apparent diffusion coefficient (ADC), given the important physiological changes that occur in the ...
Richard A, Jones, J Damien, Grattan-Smith   +1 more
openaire   +2 more sources

Minimum apparent diffusion coefficients in the evaluation of brain tumors

European Journal of Radiology, 2005
To determine whether diffusion-weighted imaging by using minimum apparent diffusion coefficient (ADC(min)) values could differentiate various brain tumors including gliomas, metastases, and lymphomas.We examined 65 patients with histologically or clinically diagnosed brain tumors (12 low-grade gliomas, 31 high-grade gliomas, 14 metastatic tumors, and 8
Kitis, O, Altay, H, Calli, C, Yunten, N, Akalin, T, Yurtseven, T   +5 more
openaire   +3 more sources

Apparent diffusion coefficient of intracranial germ cell tumors

Journal of Neuro-Oncology, 2014
The role of diffusion weighted imaging and apparent diffusion coefficient in intracranial germ cell tumors has not been fully elucidated. The aim of this study was to evaluate whether the ADC correlates with the histologic subtypes of germ cell tumors. We also aimed to investigate whether the ADC values can predict treatment response.
Hideki, Ogiwara, Yoshiyuki, Tsutsumi, Kentarou, Matsuoka, Chikako, Kiyotani, Keita, Terashima, Nobuhito, Morota   +5 more
openaire   +2 more sources

The value of apparent diffusion coefficient in the assessment of cervical cancer

European Radiology, 2012
To evaluate the potential value of apparent diffusion coefficient (ADC) measurement in the assessment of cervical cancer.One hundred twelve patients with cervical cancer and 67 control subjects underwent diffusion-weighted imaging (DWI) in addition to routine MR imaging at 3.0-T MRI before therapy. All ADCs were calculated from b = 0, 600 s/mm(2) and b 
Fei, Kuang, Jing, Ren, Qun, Zhong, Fu, Liyuan, Yi, Huan, Ziqian, Chen   +5 more
openaire   +2 more sources

Apparent diffusion coefficient for adsorption-controlled gas transport in nanoporous media

Chemical Engineering Journal, 2022
Zizhong Liu, Hamid Emami-Meybodi
exaly