Titre : Lèvre

Lèvre : Questions médicales fréquentes

Termes MeSH sélectionnés :

Diffusion Tensor Imaging
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"url": "https://questionsmedicales.fr/mesh/D008046?mesh_terms=Diffusion+Tensor+Imaging&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une infection des lèvres ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un examen clinique et des tests de laboratoire peuvent confirmer une infection." } }, { "@type": "Question", "name": "Quels examens pour une lésion labiale ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Une biopsie ou un examen visuel peut être nécessaire pour évaluer la lésion." } }, { "@type": "Question", "name": "Quels signes indiquent un cancer des lèvres ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des lésions persistantes, des ulcères ou des changements de couleur peuvent être des signes." } }, { "@type": "Question", "name": "Comment évaluer une allergie labiale ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Un test cutané ou un examen allergologique peut aider à identifier l'allergène." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une herpès labial ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des vésicules douloureuses et des démangeaisons sur les lèvres sont typiques." } }, { "@type": "Question", "name": "Quels symptômes d'une inflammation des lèvres ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Rougeur, gonflement et douleur sont des symptômes courants d'inflammation." } }, { "@type": "Question", "name": "Comment reconnaître une fissure labiale ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Des crevasses douloureuses et des saignements peuvent indiquer une fissure labiale." } }, { "@type": "Question", "name": "Quels signes d'une infection virale des lèvres ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des vésicules, des démangeaisons et des douleurs peuvent signaler une infection virale." } }, { "@type": "Question", "name": "Quels symptômes d'une allergie aux lèvres ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Rougeur, démangeaisons et gonflement peuvent indiquer une réaction allergique." } }, { "@type": "Question", "name": "Comment se manifeste le cancer des lèvres ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des lésions persistantes, des ulcères et des changements de texture peuvent apparaître." } }, { "@type": "Question", "name": "Comment prévenir l'herpès labial ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Éviter le contact avec des personnes infectées et utiliser des protections solaires." } }, { "@type": "Question", "name": "Quelles mesures pour éviter les fissures labiales ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Hydrater régulièrement les lèvres et éviter les conditions climatiques extrêmes." } }, { "@type": "Question", "name": "Comment prévenir les infections des lèvres ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Maintenir une bonne hygiène buccale et éviter de toucher les lèvres avec des mains sales." } }, { "@type": "Question", "name": "Quelles précautions pour les allergies labiales ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Identifier et éviter les allergènes connus est essentiel pour prévenir les réactions." } }, { "@type": "Question", "name": "Comment réduire le risque de cancer des lèvres ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Éviter le tabac et limiter l'exposition au soleil peut réduire le risque." } }, { "@type": "Question", "name": "Quel traitement pour l'herpès labial ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Des antiviraux topiques ou oraux peuvent réduire la durée et la gravité des symptômes." } }, { "@type": "Question", "name": "Comment traiter une fissure labiale ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "L'application de baumes hydratants et de pommades peut favoriser la guérison." } }, { "@type": "Question", "name": "Quels médicaments pour une infection des lèvres ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des antibiotiques peuvent être prescrits pour traiter les infections bactériennes." } }, { "@type": "Question", "name": "Comment traiter une allergie labiale ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Éviter l'allergène et utiliser des antihistaminiques peut soulager les symptômes." } }, { "@type": "Question", "name": "Quel traitement pour le cancer des lèvres ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "La chirurgie, la radiothérapie ou la chimiothérapie peuvent être nécessaires selon le stade." } }, { "@type": "Question", "name": "Quelles complications d'une infection labiale ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des infections secondaires, des cicatrices ou des douleurs chroniques peuvent survenir." } }, { "@type": "Question", "name": "Quels risques d'une fissure labiale non traitée ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Une fissure non traitée peut s'infecter et entraîner des douleurs persistantes." } }, { "@type": "Question", "name": "Quelles complications du cancer des lèvres ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Des métastases, des douleurs et des difficultés à manger peuvent être des complications." } }, { "@type": "Question", "name": "Quels effets d'une allergie labiale sévère ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Un œdème angioneurotique ou un choc anaphylactique peuvent survenir dans les cas graves." } }, { "@type": "Question", "name": "Quelles complications d'une herpès labial récurrent ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Des infections fréquentes et des douleurs chroniques peuvent résulter d'épisodes répétés." } }, { "@type": "Question", "name": "Quels facteurs de risque pour l'herpès labial ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Le stress, la fatigue et l'exposition au soleil augmentent le risque d'herpès labial." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque de fissures labiales ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le climat sec, la déshydratation et le léchage fréquent des lèvres sont des facteurs de risque." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'infections labiales ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Un système immunitaire affaibli et une mauvaise hygiène buccale augmentent le risque." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque pour le cancer des lèvres ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme, l'alcool et l'exposition au soleil sont des facteurs de risque connus." } }, { "@type": "Question", "name": "Quels facteurs de risque pour les allergies labiales ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Des antécédents d'allergies et une exposition à des irritants augmentent le risque." } } ] } ] }

Sources (10000 au total)

Diffusion tensor imaging for the differential diagnosis of Parkinsonism by machine learning.

There are currently no specific tests for either idiopathic Parkinson's disease or Parkinson-plus syndromes. The study aimed to investigate the diagnostic performance of features extracted from the wh... The retrospective data yielded 625 participants (average age: 61.4 ± 8.2, men/women: 313/312; healthy controls/idiopathic Parkinson's disease/multiple system atrophy/progressive supranuclear palsy: 21... Diagnoses were accurate for distinguishing idiopathic Parkinson's disease from healthy control and Parkinson-plus syndromes (87.4 ± 2.1% and 82.5 ± 3.9%, respectively). Diagnostic F1 scores varied for... Features extracted from diffusion tensor imaging of the whole brain can provide objective evidence for the diagnosis of healthy control, idiopathic Parkinson's disease, and Parkinson-plus syndromes wi...

Comparative Analysis of the Apparent Diffusion Coefficient and Diffusion Tensor Imaging in the Diagnosis of Prostate Cancer.

The aim of this work was to demonstrate capabilities of diffusion tensor imaging as a diagnostic tool for prostate cancer in comparison with the apparent diffusion coefficient.... 364 patients with suspected prostate cancer underwent multiparametric magnetic resonance imaging including diffusion tensor imaging.... The anatomical structure of the prostate obtained on T2-weighted imaging was compared with the apparent diffusion coefficient and diffusion tensor imaging maps. The rest of the gland (central and peri... Diffusion tensor imaging has the potential to identify prostate cancer with high accuracy and specificity. The combination of standard magnetic resonance imaging and diffusion tensor imaging can signi...

Role of diffusion tensor imaging in stenotic and non-stenotic spinal canal.

Cervical Spondylotic Myelopathy (CSM) is a gradually escalating spinal cord disturbance set in motion by the degenerative narrowing of the vertebral canal. Routine MRI may fail to detect the subtle ea... Sixty-four subjects who met the requirements of the inclusion criteria were incorporated into the investigation. All subjects underwent routine MRI sequences in addition to DTI of the cervical spine r... A noteworthy difference (p<0.05) was seen in the FA parameter and ADC parameter values between the stenotic and non-stenotic groups, with the non-stenotic group having a higher mean FA and a lower ADC... DTI parameters, namely FA and ADC, are sensitive to damage to the white matter and can be used to detect microstructural changes in the cord. However, standardization of the protocol is necessary when...

Intersession Repeatability of Diffusion-Tensor Imaging in the Supraspinatus and the Infraspinatus Muscles of Volunteers.

Quantifying the rotator cuff (RC) muscles' viscoelasticity could provide outcome relevant information in patients with RC tears. MR-elastography requires robust diffusion-tensor imaging (DTI) to accou... To assess the repeatability of DTI parameters in the supraspinatus and infraspinatus muscles and to explore DTI tractography conformity with the muscles' anatomy.... Prospective.... Six healthy volunteers underwent three consecutive shoulder MRI sessions about 10 minutes apart.... 3T/T1-vibe Dixon and Spin echo EPI DTI (12 gradient encoding directions, b-values 500 and 800 sec/mm... Supraspinatus and infraspinatus muscles were segmented on the T1-vibe Dixon sequence. DTI image quality was assessed using a quantitative threshold based on the signal-to-noise ratio (SNR). The eigenv... DTI parameters within-subject intersession repeatability was assessed with Bland-Altman analysis and the coefficient of variation (CV). Repeatability was considered good for CV < 10%.... The SNR between diffusion-weighted and non-diffusion-weighted images was greater than 3, which aligns with standards for estimating DTI parameters. The FA showed the lowest mean bias (-0.007; 95% conf... DTI of the supraspinatus and infraspinatus muscles achieved an adequate SNR, allowing the measurement of the DTI metrics with good repeatability, and thus can be used for optimizing stiffness estimati... 2 TECHNICAL EFFICACY: Stage 2....