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"name": "Diagnostic",
"headline": "Diagnostic sur Imagerie tridimensionnelle",
"description": "Quels examens utilisent l'imagerie 3D ?\nComment l'imagerie 3D aide-t-elle au diagnostic ?\nL'imagerie 3D est-elle utilisée en oncologie ?\nPeut-on détecter des anomalies avec l'imagerie 3D ?\nL'imagerie 3D est-elle utile pour les fractures ?",
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"description": "Quels symptômes peuvent nécessiter une imagerie 3D ?\nL'imagerie 3D peut-elle aider à évaluer des douleurs abdominales ?\nQuels symptômes cardiaques peuvent être évalués par imagerie 3D ?\nL'imagerie 3D est-elle utile pour les troubles respiratoires ?\nPeut-on détecter des anomalies cérébrales avec l'imagerie 3D ?",
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"description": "L'imagerie 3D peut-elle aider à la détection précoce des maladies ?\nComment l'imagerie 3D contribue-t-elle à la prévention des cancers ?\nPeut-on utiliser l'imagerie 3D pour le dépistage ?\nL'imagerie 3D aide-t-elle à évaluer les risques cardiovasculaires ?\nPeut-on prévenir des maladies avec l'imagerie 3D ?",
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"description": "L'imagerie 3D est-elle utilisée pour planifier des interventions chirurgicales ?\nComment l'imagerie 3D aide-t-elle en radiothérapie ?\nPeut-on utiliser l'imagerie 3D pour guider des biopsies ?\nL'imagerie 3D est-elle utile pour le suivi des traitements ?\nPeut-on utiliser l'imagerie 3D pour des traitements non invasifs ?",
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"description": "Quelles complications peuvent survenir avec l'imagerie 3D ?\nL'imagerie 3D peut-elle causer des effets secondaires ?\nY a-t-il des risques liés à l'utilisation d'agents de contraste ?\nL'imagerie 3D peut-elle entraîner des faux positifs ?\nQuelles sont les complications possibles après une biopsie guidée par imagerie 3D ?",
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"name": "Facteurs de risque",
"headline": "Facteurs de risque sur Imagerie tridimensionnelle",
"description": "Quels facteurs augmentent le besoin d'imagerie 3D ?\nL'âge est-il un facteur de risque pour l'imagerie 3D ?\nLe tabagisme influence-t-il le besoin d'imagerie 3D ?\nLes antécédents médicaux influencent-ils l'imagerie 3D ?\nY a-t-il des facteurs environnementaux affectant l'imagerie 3D ?",
"url": "https://questionsmedicales.fr/mesh/D021621?mesh_terms=Diffusion+Tensor+Imaging&page=3#section-facteurs de risque"
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"@type": "Question",
"name": "Quels examens utilisent l'imagerie 3D ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "La tomodensitométrie (CT) et l'IRM sont couramment utilisés."
}
},
{
"@type": "Question",
"name": "Comment l'imagerie 3D aide-t-elle au diagnostic ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle permet une visualisation détaillée des organes et des tissus, facilitant le diagnostic."
}
},
{
"@type": "Question",
"name": "L'imagerie 3D est-elle utilisée en oncologie ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est essentielle pour localiser et évaluer les tumeurs."
}
},
{
"@type": "Question",
"name": "Peut-on détecter des anomalies avec l'imagerie 3D ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet de détecter des anomalies structurelles avec précision."
}
},
{
"@type": "Question",
"name": "L'imagerie 3D est-elle utile pour les fractures ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle aide à visualiser les fractures complexes et leur impact sur les tissus environnants."
}
},
{
"@type": "Question",
"name": "Quels symptômes peuvent nécessiter une imagerie 3D ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des douleurs persistantes, des anomalies visibles ou des symptômes neurologiques."
}
},
{
"@type": "Question",
"name": "L'imagerie 3D peut-elle aider à évaluer des douleurs abdominales ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'identifier des problèmes comme des tumeurs ou des malformations."
}
},
{
"@type": "Question",
"name": "Quels symptômes cardiaques peuvent être évalués par imagerie 3D ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des douleurs thoraciques ou des palpitations peuvent nécessiter une évaluation."
}
},
{
"@type": "Question",
"name": "L'imagerie 3D est-elle utile pour les troubles respiratoires ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle aide à visualiser les poumons et détecter des anomalies comme des nodules."
}
},
{
"@type": "Question",
"name": "Peut-on détecter des anomalies cérébrales avec l'imagerie 3D ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est efficace pour visualiser des anomalies comme des tumeurs ou des AVC."
}
},
{
"@type": "Question",
"name": "L'imagerie 3D peut-elle aider à la détection précoce des maladies ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet de détecter des maladies à un stade précoce, améliorant les chances de traitement."
}
},
{
"@type": "Question",
"name": "Comment l'imagerie 3D contribue-t-elle à la prévention des cancers ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle permet de surveiller les patients à risque et de détecter des anomalies précoces."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser l'imagerie 3D pour le dépistage ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est utilisée pour le dépistage de certaines maladies comme le cancer du sein."
}
},
{
"@type": "Question",
"name": "L'imagerie 3D aide-t-elle à évaluer les risques cardiovasculaires ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'évaluer l'état des artères et de détecter des anomalies."
}
},
{
"@type": "Question",
"name": "Peut-on prévenir des maladies avec l'imagerie 3D ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Indirectement, en permettant une détection précoce et un suivi régulier."
}
},
{
"@type": "Question",
"name": "L'imagerie 3D est-elle utilisée pour planifier des interventions chirurgicales ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet de planifier avec précision les interventions chirurgicales."
}
},
{
"@type": "Question",
"name": "Comment l'imagerie 3D aide-t-elle en radiothérapie ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle permet de cibler précisément les tumeurs tout en épargnant les tissus sains."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser l'imagerie 3D pour guider des biopsies ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle aide à localiser précisément les zones à biopsier."
}
},
{
"@type": "Question",
"name": "L'imagerie 3D est-elle utile pour le suivi des traitements ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'évaluer l'efficacité des traitements au fil du temps."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser l'imagerie 3D pour des traitements non invasifs ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est utilisée pour des techniques comme l'ablation par radiofréquence."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec l'imagerie 3D ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des réactions allergiques aux agents de contraste ou des effets secondaires liés à l'exposition."
}
},
{
"@type": "Question",
"name": "L'imagerie 3D peut-elle causer des effets secondaires ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, notamment des effets liés à l'exposition aux radiations en cas de CT."
}
},
{
"@type": "Question",
"name": "Y a-t-il des risques liés à l'utilisation d'agents de contraste ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des réactions allergiques ou des problèmes rénaux peuvent survenir."
}
},
{
"@type": "Question",
"name": "L'imagerie 3D peut-elle entraîner des faux positifs ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des anomalies peuvent être détectées qui ne sont pas cliniquement significatives."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications possibles après une biopsie guidée par imagerie 3D ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des saignements ou des infections peuvent survenir après la procédure."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le besoin d'imagerie 3D ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Antécédents familiaux de maladies, symptômes persistants ou exposition à des risques environnementaux."
}
},
{
"@type": "Question",
"name": "L'âge est-il un facteur de risque pour l'imagerie 3D ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes âgées sont plus susceptibles de nécessiter des examens d'imagerie."
}
},
{
"@type": "Question",
"name": "Le tabagisme influence-t-il le besoin d'imagerie 3D ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, il augmente le risque de maladies pulmonaires nécessitant une évaluation."
}
},
{
"@type": "Question",
"name": "Les antécédents médicaux influencent-ils l'imagerie 3D ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents de maladies peuvent justifier des examens d'imagerie réguliers."
}
},
{
"@type": "Question",
"name": "Y a-t-il des facteurs environnementaux affectant l'imagerie 3D ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exposition à des substances toxiques peut augmenter le besoin d'examens."
}
}
]
}
]
}
To investigate the role of diffusion tensor imaging (DTI) of optic pathway in patients with idiopathic intracranial hypertension (IIH)....
This study included 41 IIH patients and 22 controls. They underwent DTI of the optic nerve (ON) and optic radiation (OR). Their fractional anostrophy (FA) and mean diffusivity (MD) were calculated by ...
The optic nerve mean FA and MD of patients for reviewer-1 were 0.21 ± 0.047 and 2.189 ± 0.52 ×10...
Our findings suggest that, IIH is associated mainly with pre-chiasmatic or ON involvement rather than post-chiasmatic parenchymal or OR involvement. DTI MD and FA parameters of the ON may be a reliabl...
Taekwondo, which is the most preferred sport among the martial arts, is known to improve individuals physically, spiritually and mentally. The aim of this study is to reveal the effect of teakwondo sp...
Total brain volume and volumes of white matter, gray matter, frontal lobe, precentral gyrus, corticospinal tract, basal nuclei, postcentral gyrus, hippocampus and amigdala and the ratio of these volum...
An increase in total brain volume, gray matter, frontal lobe and precentral gyrus volume in athletes was associated with taekwondo training. When the ratio of brain parts to total brain volume was exa...
The increase in the volume of gray matter, frontal lobe, postcentral gyrus and corticospinal tract together with the brain volume shows that taekwondo exercise contributes to physical, spiritual and m...
The peripheral course of the trigeminal nerves is complex and spans multiple bony foramen and tissue compartments throughout the face. Diffusion tensor imaging of these nerves is difficult due to the ...
We prospectively acquired imaging data from six healthy adult participants with a 3.0-Tesla system, including T2-weighted short tau inversion recovery with variable flip angle (T2-STIR-SPACE) and read...
All nerves in all subjects were tracked beyond the trigeminal ganglion. Tracts in the inferior alveolar and ophthalmic nerve exhibited the strongest signal and most consistently reached the most dista...
This work demonstrates a method for consistently identifying and tracking the major nerve branches of the trigeminal nerve with diffusion tensor imaging....
Chronic substance use and its effects on brain function and structure has long been of interest to clinicians and researchers. Prior cross-sectional comparisons of diffusion tensor imaging (DTI) metri...
A total of 46 participants (21 healthy controls, 25 chronic cocaine users) were recruited from the Richmond, Virginia metropolitan area. Information regarding past and current substance use was collec...
Consistent with previous DTI studies, significant differences were found between fractional anisotropy (FA) and axial diffusivity (AD) CocUD and controls, with CocUD showing lower FA and AD in the rig...
These data align with previously reported declines in white matter coherence in chronic cocaine users. However, it is less clear whether comorbid alcohol consumption results in an additive deleterious...
Diffusion tensor imaging (DTI) has provided great insights into the microstructural features of the developing brain. However, DTI images are prone to several artifacts and the reliability of DTI scal...
Lewis-Sumner syndrome (LSS) is an atypical variant of chronic inflammatory demyelinating polyneuropathy characterized by an asymmetric sensory-motor neuropathy with multifocal distribution. The diagno...
The understanding of white matter (WM) was revolutionized by the emergence of tractography based on diffusion tensor imaging (DTI). Currently, DTI simulations are implemented in preoperative planning ...
WM surgical damage was preoperatively simulated by creating a 3-dimensional volume representing the endoscope or the surgical trajectory. This volume was used as an additional region of interest in th...
The preoperative and postoperative DTI studies of 30 patients undergoing various neurosurgical approaches were processed. The correlation between simulated injuries and postoperative studies was high ...
Presurgical simulation of WM fascicles based on DTI is consistent with postoperative DTI studies. These findings require further validation by neurophysiological and clinical correlation....
Diffusion tensor imaging (DTI) allows the in vivo imaging of pathological white matter alterations, either with unbiased voxel-wise or hypothesis-guided tract-based analysis. Alterations of diffusion ...
There has been growing attention on the effect of COVID-19 on white-matter microstructure, especially among those that self-isolated after being infected. There is also immense scientific interest and...
Dynamic diffusion magnetic resonance imaging (ddMRI) metrics can assess transient microstructural alterations in tissue diffusivity but requires additional scan time hindering its clinical application...
To determine whether a diffusion gradient table can simultaneously acquire data to estimate dynamic and diffusion tensor imaging (DTI) metrics....
Prospective....
Seven healthy subjects, 39 epilepsy patients (15 female, 31 male, age ± 15)....
Two-dimensional diffusion MRI (b = 1000 s/mm...
Fifteen direction DTI was repeated twice for within-session test-retest measurements in healthy subjects. Bland-Altman analysis computed bias and limits of agreement for DTI metrics using test-retest ...
Bland-Altman and ICC analysis using a P-value of 0.05 for statistical significance....
Correlations of mean diffusivity (MD), axial diffusivity (AD), and radial diffusivity (RD) were strong and significant in gray (ICC > 0.95) and white matter (ICC > 0.95) between standard vs. nested cu...
A nested cubes diffusion gradient table produces tensor-based and dynamic diffusion measurements in a single acquisition....
2 TECHNICAL EFFICACY: Stage 1....