Tomodensitométrie à faisceau conique : Questions médicales fréquentes
Nom anglais: Cone-Beam Computed Tomography
Descriptor UI:D054893
Tree Number:E01.370.350.825.810.810.399
Termes MeSH sélectionnés :
Diffusion Tensor Imaging
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"description": "Quels types de pathologies peuvent être diagnostiqués par CBCT ?\nLa CBCT est-elle efficace pour les infections dentaires ?\nPeut-on utiliser la CBCT pour planifier une chirurgie dentaire ?\nLa CBCT est-elle utile pour évaluer les sinus maxillaires ?\nComment la CBCT aide-t-elle dans l'orthodontie ?",
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"description": "La CBCT peut-elle aider à la prévention des maladies dentaires ?\nComment la CBCT contribue-t-elle à la santé bucco-dentaire ?\nQuels conseils de prévention peuvent être donnés après une CBCT ?\nLa CBCT peut-elle être utilisée pour des dépistages réguliers ?\nQuels examens préventifs sont recommandés avec la CBCT ?",
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"description": "Comment la CBCT influence-t-elle le traitement dentaire ?\nLa CBCT est-elle utilisée pour les implants dentaires ?\nQuels traitements peuvent être guidés par la CBCT ?\nLa CBCT aide-t-elle dans le traitement des maladies parodontales ?\nPeut-on utiliser la CBCT pour le suivi post-traitement ?",
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"description": "Quelles complications peuvent survenir après une CBCT ?\nLa CBCT peut-elle causer des effets secondaires ?\nQuels risques sont associés à l'utilisation de la CBCT ?\nComment minimiser les complications lors d'une CBCT ?\nLes complications de la CBCT sont-elles fréquentes ?",
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"description": "Quels facteurs de risque augmentent la nécessité d'une CBCT ?\nLes patients avec des implants dentaires ont-ils besoin de CBCT ?\nLes enfants sont-ils plus à risque d'avoir besoin d'une CBCT ?\nLes patients ayant des maladies parodontales nécessitent-ils souvent une CBCT ?\nLes personnes âgées ont-elles besoin de CBCT plus souvent ?",
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"@type": "Question",
"name": "Quels types de pathologies peuvent être diagnostiqués par CBCT ?",
"position": 1,
"acceptedAnswer": {
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"text": "La CBCT est utilisée pour diagnostiquer des anomalies dentaires, des fractures et des tumeurs."
}
},
{
"@type": "Question",
"name": "La CBCT est-elle efficace pour les infections dentaires ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet de visualiser les infections dentaires et les abcès avec précision."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser la CBCT pour planifier une chirurgie dentaire ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle aide à planifier des interventions chirurgicales en fournissant des images détaillées."
}
},
{
"@type": "Question",
"name": "La CBCT est-elle utile pour évaluer les sinus maxillaires ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'évaluer les sinus maxillaires et de détecter des pathologies associées."
}
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{
"@type": "Question",
"name": "Comment la CBCT aide-t-elle dans l'orthodontie ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle fournit des images précises des dents et des structures osseuses pour un meilleur traitement."
}
},
{
"@type": "Question",
"name": "Quels symptômes peuvent nécessiter une CBCT ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des douleurs dentaires persistantes, des gonflements ou des anomalies visibles peuvent nécessiter une CBCT."
}
},
{
"@type": "Question",
"name": "La CBCT peut-elle détecter des symptômes de cancer ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut aider à identifier des masses suspectes pouvant indiquer un cancer."
}
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{
"@type": "Question",
"name": "Quels signes cliniques justifient une CBCT en cas de traumatisme ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des fractures visibles, des douleurs intenses ou des déformations faciales justifient une CBCT."
}
},
{
"@type": "Question",
"name": "La CBCT peut-elle aider à évaluer des douleurs faciales ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'identifier des causes sous-jacentes de douleurs faciales."
}
},
{
"@type": "Question",
"name": "Quels symptômes dentaires peuvent indiquer une infection ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Rougeur, gonflement, douleur intense et écoulement purulent peuvent indiquer une infection."
}
},
{
"@type": "Question",
"name": "La CBCT peut-elle aider à la prévention des maladies dentaires ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet de détecter précocement des anomalies pouvant mener à des maladies dentaires."
}
},
{
"@type": "Question",
"name": "Comment la CBCT contribue-t-elle à la santé bucco-dentaire ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle aide à surveiller les conditions dentaires et à prévenir les complications futures."
}
},
{
"@type": "Question",
"name": "Quels conseils de prévention peuvent être donnés après une CBCT ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Maintenir une bonne hygiène bucco-dentaire et suivre les recommandations du dentiste."
}
},
{
"@type": "Question",
"name": "La CBCT peut-elle être utilisée pour des dépistages réguliers ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut être intégrée dans des dépistages réguliers pour une détection précoce."
}
},
{
"@type": "Question",
"name": "Quels examens préventifs sont recommandés avec la CBCT ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des examens dentaires réguliers et des radiographies peuvent être recommandés avec la CBCT."
}
},
{
"@type": "Question",
"name": "Comment la CBCT influence-t-elle le traitement dentaire ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle permet de personnaliser les traitements en fournissant des images précises des structures dentaires."
}
},
{
"@type": "Question",
"name": "La CBCT est-elle utilisée pour les implants dentaires ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est essentielle pour planifier la pose d'implants dentaires avec précision."
}
},
{
"@type": "Question",
"name": "Quels traitements peuvent être guidés par la CBCT ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements orthodontiques, endodontiques et chirurgicaux peuvent être guidés par la CBCT."
}
},
{
"@type": "Question",
"name": "La CBCT aide-t-elle dans le traitement des maladies parodontales ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'évaluer la gravité des maladies parodontales et de planifier le traitement."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser la CBCT pour le suivi post-traitement ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est utile pour évaluer l'efficacité des traitements dentaires après leur réalisation."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir après une CBCT ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications sont rares, mais peuvent inclure des réactions allergiques aux produits de contraste."
}
},
{
"@type": "Question",
"name": "La CBCT peut-elle causer des effets secondaires ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les effets secondaires sont minimes, mais une exposition excessive aux radiations est à considérer."
}
},
{
"@type": "Question",
"name": "Quels risques sont associés à l'utilisation de la CBCT ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les principaux risques incluent l'exposition aux radiations et les erreurs d'interprétation."
}
},
{
"@type": "Question",
"name": "Comment minimiser les complications lors d'une CBCT ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "En suivant les protocoles de sécurité et en limitant l'exposition aux radiations."
}
},
{
"@type": "Question",
"name": "Les complications de la CBCT sont-elles fréquentes ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, les complications sont rares et généralement mineures si les protocoles sont respectés."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque augmentent la nécessité d'une CBCT ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les antécédents de maladies dentaires, les traumatismes et les douleurs persistantes augmentent le besoin."
}
},
{
"@type": "Question",
"name": "Les patients avec des implants dentaires ont-ils besoin de CBCT ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, pour évaluer la position et l'intégrité des implants, une CBCT peut être nécessaire."
}
},
{
"@type": "Question",
"name": "Les enfants sont-ils plus à risque d'avoir besoin d'une CBCT ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, en raison de la croissance dentaire et des anomalies congénitales, les enfants peuvent nécessiter une CBCT."
}
},
{
"@type": "Question",
"name": "Les patients ayant des maladies parodontales nécessitent-ils souvent une CBCT ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, pour évaluer l'étendue des maladies parodontales, une CBCT est souvent recommandée."
}
},
{
"@type": "Question",
"name": "Les personnes âgées ont-elles besoin de CBCT plus souvent ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, en raison de la prévalence accrue des problèmes dentaires et osseux chez les personnes âgées."
}
}
]
}
]
}
Image enhancement endoscopy techniques, such as linked color imaging (LCI) and autofluorescence imaging (AFI), have shown promise in diagnosing mucosal inflammation in ulcerative colitis (UC). However...
This study included 81 UC patients, resulting in a total of 204 endoscopic images captured using LCI and AFI, respectively. Spearman's rank correlation coefficients assessed the correlation between LC...
Spearman's rank correlation coefficients between LCI index, AFI index (reverse gamma value), and GHS were 0.324 and -0.428, respectively (P < 0.001), indicating a significant correlation between LCI a...
LCI and AFI offer comparable diagnostic accuracy for histological healing. Clinically, it is necessary to recognize diagnostic features characterized by higher sensitivity in LCI and greater specifici...
To explore degree centrality (DC) abnormalities in ischemic stroke patients and determine whether these abnormalities have potential value in understanding the pathological mechanisms of ischemic stro...
Sixteen ischemic stroke patients and 22 healthy controls (HCs) underwent resting state functional magnetic resonance imaging (rs-fMRI) scanning, and the resulting data were subjected to DC analysis. T...
Compared with HCs, ischemic stroke patients showed increased DC in the bilateral supplementary motor area, and median cingulate and paracingulate gyri and decreased DC in the left postcentral gyrus, r...
Our research results indicate that ischemic stroke patients exhibit abnormalities in the global connectivity mechanisms and patterns of the brain network. These abnormal changes may provide neuroimagi...
Psoriasis is a chronic inflammatory skin disease, characterized by thick scaly plaques. It imposes a notable disease burden with varying levels of severity affecting the quality of life significantly....
To compare the image quality and pulmonary nodule detectability between deep learning image reconstruction (DLIR) and adaptive statistical iterative reconstruction-Veo (ASIR-V) in ultra-low-dose CT (U...
142 participants required lung examination who underwent simultaneously ULD-CT (UL-A, 0.57 ± 0.04 mSv or UL-B, 0.33 ± 0.03 mSv), and standard CT (SDCT, 4.32 ± 0.33 mSv) plain scans were included in th...
A total of 710 nodules were detected by SDCT, including 358 nodules in UL-A and 352 nodules in UL-B. DLIR-H exhibited superior noise, SNR, and CNR performance, and achieved comparable or even higher s...
ULD-CT scanning has a high sensitivity for detecting pulmonary nodules. Compared with ASIR-V, DLIR can significantly reduce image noise, and improve image quality, and accuracy of the nodule measureme...
Improved integration and use of preoperative imaging during surgery hold significant potential for enhancing treatment planning and instrument guidance through surgical navigation. Despite its prevale...
This work presents a method for deformable 3D-2D registration of preoperative MR images with a novel intraoperative long-length tomosynthesis imaging modality (viz., Long-Film [LF]). A conditional gen...
The proposed method yielded a median 2D projection distance error of 2.0 mm (interquartile range [IQR]: 1.1-3.3 mm) and a 3D target registration error of 1.5 mm (IQR: 0.8-2.1 mm) in cadaver studies. N...
This work constitutes the first reported approach for deformable MR to LF registration based on deep image synthesis. The proposed framework provides access to the preoperative annotations and plannin...
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This study included 3338 AIS patients. We trained a DL model using deep neural network architectures on MR images and radiomics to predict poor functional outcomes at three months post-stroke. The DL ...
The DL imaging biomarker achieved an area under the receiver operating characteristic curve (AUC) of 0.788. The AUCs of the five studied risk scores were 0.789, 0.793, 0.804, 0.810, and 0.826, respect...
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Current fiducial markers (FMs) in external-beam radiotherapy (EBRT) for prostate cancer (PCa) cannot be positively visualized on magnetic resonance imaging (MRI) and create dose perturbation and signi...
We tested Gold Anchor [G-FM], BiomarC [carbon, C-FM], and NOVA FMs in phantoms imaged with kilovoltage (kV) X-rays, transrectal ultrasound (TRUS), CT, and MRI. Artifacts of the FMs on CT were quantifi...
NOVA-FMs were positively visualized on all 4 imaging modalities tested. The rSAL on CT was 0.750 ± 0.335 for 2-mm reconstructed slices. In F-tests, PDP was associated with marker type and depth of mea...
NOVA-FMs were positively visible and produced less PDP than G-FMs or C-FMs. NOVA-FMs facilitated MRI/CT fusion and identification of regions of interest....
The high-definition standard (HD-standard) scan mode has been proven to display stents better than the standard (STND) scan mode but with more image noise. Deep learning image reconstruction (DLIR) is...
The data of 121 patients who underwent HD-standard mode scans (group A: N=47, with coronary stent) or STND mode scans (group B: N=74, without coronary stent) were retrospectively collected. All images...
There were 76 evaluable stents in group A, and the DLIR-H algorithm significantly outperformed other algorithms, demonstrating the lowest noise (41.6±7.1/41.3±7.2) and AI (32.4±8.9/31.2±10.1), the hig...
HD-standard scan mode with DLIR-H improves image quality of both stents and coronary arteries on CCTA under a lower radiation dose....
Tomographic imaging modalities are described by large system matrices. Sparse sampling and tissue motion degrade system matrix and image quality. Various existing techniques improve the image quality ...