Titre : Microscopie à sonde à balayage

Microscopie à sonde à balayage : Questions médicales fréquentes

Termes MeSH sélectionnés :

Deep Learning
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types d'échantillons peuvent être analysés ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des échantillons biologiques, matériaux, et semi-conducteurs peuvent être analysés." } }, { "@type": "Question", "name": "Quels sont les avantages de cette technique ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Elle offre une résolution élevée et permet d'étudier des surfaces complexes." } }, { "@type": "Question", "name": "Peut-on détecter des anomalies cellulaires ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de visualiser des anomalies à l'échelle cellulaire et subcellulaire." } }, { "@type": "Question", "name": "Est-elle utilisée pour des diagnostics précoces ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut aider à détecter des pathologies à un stade précoce grâce à sa précision." } }, { "@type": "Question", "name": "Quels symptômes peuvent être observés avec cette technique ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "La microscopie ne détecte pas de symptômes, mais aide à identifier des anomalies." } }, { "@type": "Question", "name": "Peut-elle révéler des infections ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Indirectement, en montrant des changements cellulaires associés à des infections." } }, { "@type": "Question", "name": "Est-elle utile pour étudier des tumeurs ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet d'analyser la morphologie des cellules tumorales." } }, { "@type": "Question", "name": "Peut-on observer des inflammations ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut aider à visualiser des signes d'inflammation au niveau cellulaire." } }, { "@type": "Question", "name": "Quels types de changements cellulaires sont visibles ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des changements morphologiques, comme la taille et la forme des cellules, peuvent être observés." } }, { "@type": "Question", "name": "Comment la microscopie aide-t-elle à la prévention des maladies ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet d'identifier des biomarqueurs précoces de maladies, facilitant la prévention." } }, { "@type": "Question", "name": "Peut-elle contribuer à la recherche sur les vaccins ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle aide à étudier la réponse immunitaire et l'efficacité des vaccins." } }, { "@type": "Question", "name": "Est-elle utilisée pour surveiller l'environnement ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut analyser des échantillons environnementaux pour détecter des contaminants." } }, { "@type": "Question", "name": "Peut-elle aider à prévenir les infections nosocomiales ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, en identifiant des agents pathogènes dans les milieux hospitaliers." } }, { "@type": "Question", "name": "Est-elle utile pour la sécurité alimentaire ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet d'analyser des échantillons alimentaires pour détecter des contaminants." } }, { "@type": "Question", "name": "La microscopie à sonde à balayage aide-t-elle au traitement ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Indirectement, en fournissant des informations pour guider les traitements." } }, { "@type": "Question", "name": "Peut-elle être utilisée pour le suivi des traitements ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de surveiller les effets des traitements au niveau cellulaire." } }, { "@type": "Question", "name": "Est-elle utilisée en recherche thérapeutique ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est essentielle pour développer de nouvelles thérapies et médicaments." } }, { "@type": "Question", "name": "Peut-elle aider à la régénération tissulaire ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, en étudiant les cellules souches et leur comportement dans les tissus." } }, { "@type": "Question", "name": "Est-elle utilisée pour évaluer l'efficacité des médicaments ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet d'analyser les interactions médicamenteuses au niveau cellulaire." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir lors de l'utilisation ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des artefacts d'image peuvent se produire, affectant l'interprétation des résultats." } }, { "@type": "Question", "name": "Y a-t-il des risques pour les échantillons ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains échantillons peuvent être endommagés par la sonde lors de l'analyse." } }, { "@type": "Question", "name": "Peut-elle entraîner des erreurs de diagnostic ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des erreurs peuvent survenir si les artefacts ne sont pas correctement identifiés." } }, { "@type": "Question", "name": "Y a-t-il des complications liées à l'équipement ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Des pannes d'équipement peuvent survenir, nécessitant un entretien régulier." } }, { "@type": "Question", "name": "Est-elle coûteuse à mettre en œuvre ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'équipement et la maintenance peuvent représenter un coût élevé." } }, { "@type": "Question", "name": "Quels facteurs influencent la qualité des images ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "La préparation des échantillons et les conditions environnementales sont cruciales." } }, { "@type": "Question", "name": "Y a-t-il des risques liés à l'utilisation de la sonde ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une manipulation incorrecte peut endommager la sonde et les échantillons." } }, { "@type": "Question", "name": "Quels sont les facteurs environnementaux à considérer ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "La température, l'humidité et les vibrations peuvent affecter les résultats." } }, { "@type": "Question", "name": "La formation des opérateurs est-elle importante ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une formation adéquate est essentielle pour éviter des erreurs d'interprétation." } }, { "@type": "Question", "name": "Les contaminants peuvent-ils affecter les résultats ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la présence de contaminants peut altérer les images et les analyses." } } ] } ] }

Sources (10000 au total)

Deep anatomy learning for lung airway and artery-vein modeling with contrast-enhanced CT synthesis.

Endobronchial intervention requires detailed modeling of pulmonary anatomical substructure, such as lung airway and artery-vein maps, which are commonly extracted from non-contrast computed tomography... A multi-task framework is proposed to simultaneously generate three segmentation maps and synthesize CECTs. We first design a collaborative learning model with tissue knowledge interaction for lung ai... Extensive experiments were conducted to evaluate the performance of the proposed framework based on three datasets (90 NCCTs for the airway task, 55 NCCTs for the artery-vein task and 100 CECTs for th... This study demonstrates the model potential in multi-task learning that integrates anatomically relevant segmentation and performs NCCT to CECT translation. Such an interaction approach promotes mutua...

Deep learning approach for analyzing chest x-rays to predict cardiac events in heart failure.

A deep learning (DL) model based on a chest x-ray was reported to predict elevated pulmonary artery wedge pressure (PAWP) as heart failure (HF).... The aim of this study was to (1) investigate the role of probability of elevated PAWP for the prediction of clinical outcomes in association with other parameters, and (2) to evaluate whether probabil... We evaluated 192 patients hospitalized with HF. We used a previously developed AI model to predict HF and calculated probability of elevated PAWP. Readmission following HF and cardiac mortality were t... Probability of elevated PAWP was associated with diastolic function by echocardiography. During a median follow-up period of 58 months, 57 individuals either died or were readmitted. Probability of el... This study showed the potential of using a DL model on a chest x-ray to predict PAWP and its ability to add prognostic information to other conventional clinical prognostic factors in HF. The results ...

Detection of Paroxysmal Atrial Fibrillation from Dynamic ECG Recordings Based on a Deep Learning Model.

Atrial fibrillation (AF) is one of the most common arrhythmias clinically. Aging tends to increase the risk of AF, which also increases the burden of other comorbidities, including coronary artery dis... A deep learning model was used to detect atrial fibrillation. Here, a distinction was not made between AF and atrial flutter (AFL), both of which manifest as a similar pattern on an electrocardiogram ... The data used for training were obtained from the CPSC2021 Challenge, and were collected using dynamic ECG devices. Tests on four public datasets validated the availability of the proposed method. The...

Deep learning-based method for segmenting epithelial layer of tubules in histopathological images of testicular tissue.

There is growing concern that male reproduction is affected by environmental chemicals. One way to determine the adverse effect of environmental pollutants is to use wild animals as monitors and evalu... Testicular tissue consists of seminiferous tubules. Segmenting the epithelial layer of the seminiferous tubule is a prerequisite for developing automated methods to detect abnormalities in tissue. We ... We applied the proposed method for the two-class problem, where the epithelial layer of the tubule is the target class. The... The pretrained ResNet-34 in the encoder and attention block suggested in the decoder result in better segmentation and generalization. The proposed method can be applied to testicular tissue images fr...

Deep learning-based method for segmenting epithelial layer of tubules in histopathological images of testicular tissue.

There is growing concern that male reproduction is affected by environmental chemicals. One way to determine the adverse effect of environmental pollutants is to use wild animals as monitors and evalu... Testicular tissue consists of seminiferous tubules. Segmenting the epithelial layer of the seminiferous tubule is a prerequisite for developing automated methods to detect abnormalities in tissue. We ... We applied the proposed method for the two-class problem, where the epithelial layer of the tubule is the target class. The... The pretrained ResNet-34 in the encoder and attention block suggested in the decoder result in better segmentation and generalization. The proposed method can be applied to testicular tissue images fr...

Comprehensive clinical evaluation of deep learning-based auto-segmentation for radiotherapy in patients with cervical cancer.

Deep learning-based models have been actively investigated for various aspects of radiotherapy. However, for cervical cancer, only a few studies dealing with the auto-segmentation of organs-at-risk (O... A total of 180 abdominopelvic computed tomography images were included (training set, 165; validation set, 15). Geometric indices such as the Dice similarity coefficient (DSC) and the 95% Hausdorff di... The correlation between the manual and auto-segmented contours was acceptable for the anorectum, bladder, spinal cord, cauda equina, right and left femoral heads, bowel bag, uterocervix, liver, and le... The proposed deep learning-based auto-segmentation model may be an efficient tool for patients with cervical cancer undergoing radiotherapy. Although the current model may not completely replace human...