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Enchevêtrements neurofibrillaires
Enchevêtrements neurofibrillaires : Questions médicales fréquentes
Termes MeSH sélectionnés :
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"@type": "Question",
"name": "Comment diagnostique-t-on les enchevêtrements neurofibrillaires ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le diagnostic repose sur l'examen histopathologique du tissu cérébral post-mortem."
}
},
{
"@type": "Question",
"name": "Quels tests d'imagerie sont utilisés ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'IRM et la TEP peuvent aider à détecter des anomalies cérébrales associées."
}
},
{
"@type": "Question",
"name": "Les biomarqueurs sont-ils utiles ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des biomarqueurs dans le liquide céphalorachidien peuvent indiquer la présence d'enchevêtrements."
}
},
{
"@type": "Question",
"name": "Peut-on diagnostiquer précocement ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le diagnostic précoce est difficile, mais des tests cognitifs peuvent aider."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'autopsie dans le diagnostic ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'autopsie permet de confirmer la présence d'enchevêtrements neurofibrillaires."
}
},
{
"@type": "Question",
"name": "Quels sont les symptômes associés aux enchevêtrements ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent la perte de mémoire, la confusion et des troubles cognitifs."
}
},
{
"@type": "Question",
"name": "Les enchevêtrements causent-ils des changements de comportement ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent entraîner des changements d'humeur et des comportements anormaux."
}
},
{
"@type": "Question",
"name": "Y a-t-il des symptômes physiques ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes sont principalement cognitifs, mais des troubles moteurs peuvent survenir."
}
},
{
"@type": "Question",
"name": "Les symptômes varient-ils selon l'âge ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les symptômes peuvent se manifester différemment selon l'âge du patient."
}
},
{
"@type": "Question",
"name": "Les symptômes sont-ils réversibles ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, les symptômes liés aux enchevêtrements neurofibrillaires sont généralement irréversibles."
}
},
{
"@type": "Question",
"name": "Peut-on prévenir les enchevêtrements neurofibrillaires ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas de méthode prouvée pour prévenir leur formation, mais un mode de vie sain aide."
}
},
{
"@type": "Question",
"name": "L'exercice physique est-il bénéfique ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exercice régulier est associé à une meilleure santé cognitive et peut réduire les risques."
}
},
{
"@type": "Question",
"name": "Le contrôle du stress aide-t-il ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Gérer le stress peut contribuer à la santé cérébrale, bien que son impact sur les enchevêtrements soit incertain."
}
},
{
"@type": "Question",
"name": "Une alimentation spécifique peut-elle aider ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation riche en antioxydants et en oméga-3 est bénéfique pour la santé cérébrale."
}
},
{
"@type": "Question",
"name": "Les activités sociales sont-elles importantes ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'engagement social peut aider à maintenir la santé cognitive et réduire les risques."
}
},
{
"@type": "Question",
"name": "Quels traitements existent pour les enchevêtrements ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas de traitement spécifique, mais des médicaments peuvent soulager les symptômes."
}
},
{
"@type": "Question",
"name": "Les thérapies cognitives sont-elles efficaces ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les thérapies cognitives peuvent aider à gérer les symptômes, mais ne stoppent pas la progression."
}
},
{
"@type": "Question",
"name": "Y a-t-il des traitements expérimentaux ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des recherches sont en cours sur des traitements visant à réduire les enchevêtrements tau."
}
},
{
"@type": "Question",
"name": "Les médicaments antidépressifs sont-ils utiles ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, ils peuvent aider à traiter les symptômes dépressifs associés aux troubles cognitifs."
}
},
{
"@type": "Question",
"name": "La nutrition joue-t-elle un rôle dans le traitement ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation saine peut soutenir la santé cérébrale, mais ne traite pas directement les enchevêtrements."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent une détérioration cognitive sévère et des troubles de la mémoire."
}
},
{
"@type": "Question",
"name": "Les enchevêtrements augmentent-ils le risque de démence ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, leur présence est fortement associée à un risque accru de démence, notamment Alzheimer."
}
},
{
"@type": "Question",
"name": "Y a-t-il des complications physiques ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications physiques peuvent survenir, comme des chutes dues à des troubles moteurs."
}
},
{
"@type": "Question",
"name": "Les complications affectent-elles la qualité de vie ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent gravement affecter la qualité de vie des patients et de leurs familles."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles réversibles ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, les complications liées aux enchevêtrements neurofibrillaires sont généralement irréversibles."
}
},
{
"@type": "Question",
"name": "Quels sont les principaux facteurs de risque ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'âge avancé, les antécédents familiaux et certaines conditions médicales augmentent le risque."
}
},
{
"@type": "Question",
"name": "Le sexe influence-t-il le risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les femmes semblent avoir un risque plus élevé de développer des enchevêtrements."
}
},
{
"@type": "Question",
"name": "Les maladies cardiovasculaires sont-elles un facteur ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les maladies cardiovasculaires peuvent augmenter le risque de développer des enchevêtrements."
}
},
{
"@type": "Question",
"name": "Le niveau d'éducation joue-t-il un rôle ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un niveau d'éducation plus élevé est associé à un risque réduit de démence et d'enchevêtrements."
}
},
{
"@type": "Question",
"name": "Le mode de vie influence-t-il le risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un mode de vie actif et une alimentation saine peuvent réduire le risque d'enchevêtrements."
}
}
]
}
]
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DTI datasets of 51 non-operated patients with syndromic craniosynostosis with a median [IQR] age of 0.40 [0.25] years were compared with 17 control subjects with a median of 1.20 [0.85] years. Major w...
ʎ...
Syndromic craniosynostosis shows not to be a significant factor influencing the major white matter tracts. Enlargement of the ventricles show to be a significant factor on radial diffusivity in the tr...
MEC-2014-461....
We explore the possibility of using diffusion tensor imaging (DTI) and neurite orientation dispersion and density imaging (NODDI) to discern microstructural abnormalities in the hippocampus indicative...
We analyzed data from 57 patients with refractory epilepsy who previously underwent 3.0-T magnetic resonance imaging (MRI) including DTI as a standard part of presurgical workup. We collected informat...
By examining diffusion characteristics among subfields in the final diagnostic categories, we found lower orientation dispersion indices and elevated axial diffusivity in the dentate gyrus in MTS comp...
The results suggest that diffusion metric analysis at the subfield level, especially in dentate gyrus and CA1, maybe useful for clinical confirmation of MTS....
Peripheral neuropathy affects 1 in 10 adults over the age of 40 years. Given the absence of a reliable diagnostic test for peripheral neuropathy, there has been a surge of research into diffusion tens...
The aim of this study is to quantitatively investigate the microstructural properties of the optic nerve (ON) in vivo using diffusion tensor imaging (DTI) in patients with unilateral optic atrophy (OA...
Magnetic resonance imaging (MRI) of skeletal muscle is routinely performed using morphological sequences to acquire anatomical information. Recently, there is an increasing interest in applying advanc...
Magnetic resonance diffusion tensor imaging (DTI) can detect microstructural changes in peripheral nerves. Studies have reported that the median nerve apparent diffusion coefficient (ADC), a quantific...
In order to assess the value of magnetic resonance imaging (MRI) and diffusion tensor imaging (DTI) in microscopic brain scans. Diffusion tensor imaging (DTI) and magnetic resonance spectroscopy (MRI)...
To compare the histogram features of multiple diffusion metrics in predicting the grade and cellular proliferation of meningiomas....
Diffusion spectrum imaging was performed in 122 meningiomas (30 males, 13-84 years), which were divided into 31 high-grade meningiomas (HGMs, grades 2 and 3) and 91 low-grade meningiomas (LGMs, grade ...
The DKI_AK (axial kurtosis) maximum, DKI_AK range, MAP_RTPP (return-to-plane probability) maximum, MAP_RTPP range, NODDI_ICVF (intracellular volume fraction) range, and NODDI_ICVF maximum values were ...
Whole tumour histogram analyses of the multiple diffusion metrics from four diffusion models are promising methods in grading meningiomas. The DTI model has similar diagnostic performance compared wit...
• Whole tumour histogram analyses of multiple diffusion models are feasible for grading meningiomas. • The DKI, MAP, and NODDI metrics are weakly associated with the Ki-67 proliferation status. • DTI ...
To evaluate the use of diffusion tensor imaging (DTI) and diffusion kurtosis imaging (DKI) for detection of microstructural changes in the trigeminal nerves of trigeminal neuralgia (TN) patients....
Forty TN patients and 40 healthy controls were examined using 3 T magnetic resonance imaging (MRI) to evaluate DTI and DKI parameters in trigeminal nerves. One-way ANOVA was used to test the differenc...
Compared to the unaffected sides and controls, the FA, MK, and Kr of the affected sides of TN patients were significantly reduced, while ADC was significantly increased (p < 0.05). The diagnostic effi...
DTI and DKI allowed detection of microstructural changes in TN-affected trigeminal nerves. FA DR was the best independent predictor of microstructural changes in TN....
Both DTI and DKI can be used for noninvasive quantitative evaluation of the changes in the microstructure of the cisternal segment of the cranial nerves in clinical practice....
• Diffusion tensor imaging (DTI) can be used to evaluate the in vivo integrity of white matter and nerve fiber pathway. • Diffusion kurtosis imaging (DKI) has been shown to be considerable sensitive t...
Major Depressive Disorder (MDD) and Bipolar Disorder Depression (BDD) are common psychiatric illnesses characterized by structural and functional brain alterations and signs of neuroinflammation. In l...