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diffusion-weighted imaging

Automatic Brain Lesion Detection and Classification Based on Diffusion-Weighted Imaging using Adaptive Thresholding and a Rule-Based Classifier

Automatic Brain Lesion Detection and Classification Based on Diffusion-Weighted Imaging using Adaptive Thresholding and a Rule-Based Classifier

... Diffusion weighted imaging (DWI) is considered as the most sensitive technique in detecting acute infarction and is useful in giving details of the component of brain lesions ...altered ...

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Magnetic resonance imaging: dynamic contrast enhancement and diffusion-weighted imaging to identify malignant cervical lymph nodes

Magnetic resonance imaging: dynamic contrast enhancement and diffusion-weighted imaging to identify malignant cervical lymph nodes

... of diffusion-weighted imaging (DWI)—to determine the ap- parent diffusion coefficient (ADC)—and dynamic contrast enhancement (DCE)—to quantify perfusion and vascu- larity—allows metastatic ...

5

Atlas-based semi-automatic segmentation of Whole-Body Diffusion Weighted Imaging images: Quantification of tumor burden

Atlas-based semi-automatic segmentation of Whole-Body Diffusion Weighted Imaging images: Quantification of tumor burden

... by imaging screening. Whole-body Diffusion Weighted Imaging (DWI) has high value to detect, characterize and quantify malignancies with irregular diffusion patterns, such as Multiple ...

148

Sequential cranial ultrasound and cerebellar diffusion weighted imaging contribute to the early prognosis of neurodevelopmental outcome in preterm infants.

Sequential cranial ultrasound and cerebellar diffusion weighted imaging contribute to the early prognosis of neurodevelopmental outcome in preterm infants.

... From October 2006 to March 2008, very preterm infants (gestational age [GA] ,31 weeks) admitted to the level three unit of the Wilhelmina Children’s Hospital, Utrecht, The Netherlands, were recruited for a prospective ...

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Objective value on Apparent diffusion coefficient (ADC) map to categorize the intensity of diffusion-weighted imaging (DWi) restriction for prostate cancer detection on multiparametric prostate Mri

Objective value on Apparent diffusion coefficient (ADC) map to categorize the intensity of diffusion-weighted imaging (DWi) restriction for prostate cancer detection on multiparametric prostate Mri

... As reference standard, the transrectal prostate biopsy with MRI / US fusion and addi- tional samples of suspicious areas was adopted. US-guided biopsies were performed using either an Aplio 500 with Smart Fusion (Toshiba ...

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Glioma: application of whole-tumor texture analysis of diffusion-weighted imaging for the evaluation of tumor heterogeneity.

Glioma: application of whole-tumor texture analysis of diffusion-weighted imaging for the evaluation of tumor heterogeneity.

... the statistical power. Second, the tumor boundary was defined with reference to a high signal intensity on T2WIs, and tumor infiltration as well as peri-tumoral edema was included in the ROIs. However, the ...

9

Noninvasive assessment of response to neoadjuvant chemotherapy in osteosarcoma of long bones with diffusion-weighted imaging: an initial in vivo study.

Noninvasive assessment of response to neoadjuvant chemotherapy in osteosarcoma of long bones with diffusion-weighted imaging: an initial in vivo study.

... Two MR examinations were performed as follow: the first before CT-guided or open biopsy, and the second after 4 courses of preoperative neoadjuvant chemotherapy. MRI was performed on a 1.5-T Signa HD MR system (General ...

7

Int. braz j urol.  vol.41 número1

Int. braz j urol. vol.41 número1

... for diffusion studies be- cause of its high blood flow and its fluid trans- port ...made diffusion studies more applicable with shorter examination times and fewer motion artifacts (6, ...by diffusion ...

8

PDF EN Jornal Brasileiro de Pneumologia 3 21 english

PDF EN Jornal Brasileiro de Pneumologia 3 21 english

... with diffusion-weighted imaging for M-stage assessment in patients with non-small cell lung cancer (NSCLC), with an accuracy that was equivalent to that of (18) F-fluoro-2-deoxyglucose positron ...

2

Cortical Linear Lesions in Wernicke’s

Cortical Linear Lesions in Wernicke’s

... fusion weighted imaging, which was enhanced after gadolinium administration (Figure 1, panel ...and diffusion weighted imaging (Figure 1, panel D), along the precentral and central ...

2

Radiol Bras  vol.47 número6

Radiol Bras vol.47 número6

... and diffusion-weighted imaging (DWI). A: Axial T2-weighted image shows the presence of septa and solid contents on the anterior wall of the lesion ...

6

Radiol Bras  vol.48 número4

Radiol Bras vol.48 número4

... on diffusion in desmoplastic fibromas were not found in the ...of diffusion restriction were not ...of diffusion- weighted imaging in the evaluation of head and neck lesions, showing ...

2

Preoperative axillary staging with 3.0-T breast MRI: clinical value of diffusion imaging and apparent diffusion coefficient.

Preoperative axillary staging with 3.0-T breast MRI: clinical value of diffusion imaging and apparent diffusion coefficient.

... resonance imaging (MRI) with dynamic contrast-enhanced and diffusion-weighted ...sequences. Diffusion-weighted imaging (DWI) exploits the random motion of water molecules, and ...

14

Automated Region Growing for Segmentation of Brain Lesion in Diffusion-weighted MRI

Automated Region Growing for Segmentation of Brain Lesion in Diffusion-weighted MRI

... This paper has described segmentation of brain lesion in diffusion-weighted imaging (DWI) using automated region growing. It used clinical DWI lesions such as acute infarction, haemorrhage, tumour ...

4

Radiol Bras

Radiol Bras

... Diffusion-weighted imaging (DWI) is widely used in protocols for magnetic resonance imaging (MRI) of the female ...apparent diffusion coeficient maps is usually associated with ...

8

Rev. Bras. Psiquiatr.  vol.25 número3

Rev. Bras. Psiquiatr. vol.25 número3

... Resonance Imaging (MRI) has not only allowed for visualization of the macrostructure of the CNS, but also has been able to study dynamic processes which constitute the substrate of currently available MRI ...

4

Preoperative CT versus diffusion weighted magnetic resonance imaging of the liver in patients with rectal cancer; a prospective randomized trial

Preoperative CT versus diffusion weighted magnetic resonance imaging of the liver in patients with rectal cancer; a prospective randomized trial

... All MRI examinations were performed on a 1.5T system (Achieva, Philips Healthcare, Best, the Netherlands) in three stations: pelvic, liver and bowels. For liver, a 16 channel phased array coil was used and an axial ...

17

Arq. NeuroPsiquiatr.  vol.72 número3

Arq. NeuroPsiquiatr. vol.72 número3

... T1- weighted image with gadolinium shows enhancement without mass effect in left lenticular nucleus, suggestive of subacute ischemic injury ...Axial diffusion-weighted image (DWI) and axial apparent ...

1

Aplicação da ressonância magnética de corpo inteiro para o estadiamento e acompanhamento de pacientes com linfoma de Hodgkin na faixa etária infanto-juvenil: comparação entre diferentes sequências

Aplicação da ressonância magnética de corpo inteiro para o estadiamento e acompanhamento de pacientes com linfoma de Hodgkin na faixa etária infanto-juvenil: comparação entre diferentes sequências

... Whole-body imaging in children is gen- erally performed by scanning the entire skeleton, scintigraphy and positron emis- sion tomography (PET), this latter being combined with computed tomography ...these ...

6

Added value of diffusion weighted MRI in detection of cervical cancer

Added value of diffusion weighted MRI in detection of cervical cancer

... We found that the two false-positive indings on T2W imaging remained false positive after the addition of DCE MRI. Histo- pathologic examination of these patients re- vealed inlammatory changes, necrosis, and ...

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