Titre : Longueur vertex-coccyx

Longueur vertex-coccyx : Questions médicales fréquentes

Termes MeSH sélectionnés :

Image Processing, Computer-Assisted
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"2025-05-03", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Longueur vertex-coccyx", "description": "Comment mesure-t-on la longueur vertex-coccyx ?\nÀ quel stade de la grossesse mesure-t-on la LVC ?\nQuelle est la norme de la LVC à 12 semaines ?\nQuels outils sont utilisés pour mesurer la LVC ?\nLa LVC peut-elle prédire des anomalies ?", "url": "https://questionsmedicales.fr/mesh/D018568?mesh_terms=Image+Processing,+Computer-Assisted&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Longueur vertex-coccyx", "description": "Quels symptômes peuvent indiquer une LVC anormale ?\nLa LVC affecte-t-elle le bien-être fœtal ?\nQuels signes échographiques sont préoccupants ?\nLa LVC peut-elle être mesurée sans symptômes ?\nQuels autres facteurs influencent la LVC ?", "url": 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"https://questionsmedicales.fr/mesh/D018568?mesh_terms=Image+Processing,+Computer-Assisted&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Longueur vertex-coccyx", "description": "Quelles complications peuvent survenir avec une LVC anormale ?\nLa LVC anormale est-elle liée à des risques accrus ?\nComment les anomalies chromosomiques affectent-elles la LVC ?\nLes complications affectent-elles le suivi de la grossesse ?\nQuelles sont les conséquences d'une LVC trop élevée ?", "url": "https://questionsmedicales.fr/mesh/D018568?mesh_terms=Image+Processing,+Computer-Assisted&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Longueur vertex-coccyx", "description": "Quels facteurs augmentent le risque d'anomalies de LVC ?\nLe tabagisme influence-t-il la LVC ?\nLes maladies chroniques affectent-elles la LVC ?\nLe stress maternel est-il un facteur de risque ?\nLes infections pendant la grossesse influencent-elles la LVC ?", "url": "https://questionsmedicales.fr/mesh/D018568?mesh_terms=Image+Processing,+Computer-Assisted&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment mesure-t-on la longueur vertex-coccyx ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "La LVC est mesurée par échographie, en prenant la distance entre le vertex et le coccyx." } }, { "@type": "Question", "name": "À quel stade de la grossesse mesure-t-on la LVC ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "La LVC est généralement mesurée entre la 7e et la 13e semaine de grossesse." } }, { "@type": "Question", "name": "Quelle est la norme de la LVC à 12 semaines ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "À 12 semaines, la LVC normale est d'environ 5 à 6 cm, mais cela peut varier." } }, { "@type": "Question", "name": "Quels outils sont utilisés pour mesurer la LVC ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'échographie 2D est l'outil principal pour mesurer la LVC avec précision." } }, { "@type": "Question", "name": "La LVC peut-elle prédire des anomalies ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Une LVC anormale peut indiquer des anomalies chromosomiques ou de développement." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer une LVC anormale ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme des saignements ou des douleurs abdominales peuvent alerter." } }, { "@type": "Question", "name": "La LVC affecte-t-elle le bien-être fœtal ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Une LVC anormale peut être associée à un risque accru de complications fœtales." } }, { "@type": "Question", "name": "Quels signes échographiques sont préoccupants ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des mesures de LVC inférieures à la normale peuvent être un signe d'inquiétude." } }, { "@type": "Question", "name": "La LVC peut-elle être mesurée sans symptômes ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la LVC est souvent mesurée lors d'examens de routine, même sans symptômes." } }, { "@type": "Question", "name": "Quels autres facteurs influencent la LVC ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des facteurs comme l'âge maternel et l'IMC peuvent influencer la LVC mesurée." } }, { "@type": "Question", "name": "Comment prévenir les anomalies liées à la LVC ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi prénatal régulier et une bonne nutrition peuvent aider à prévenir les anomalies." } }, { "@type": "Question", "name": "Les échographies régulières sont-elles nécessaires ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les échographies régulières permettent de surveiller la croissance fœtale, y compris la LVC." } }, { "@type": "Question", "name": "Quel rôle joue le mode de vie dans la LVC ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sain, incluant l'exercice et une alimentation équilibrée, est bénéfique." } }, { "@type": "Question", "name": "Les vaccinations influencent-elles la LVC ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Les vaccinations recommandées pendant la grossesse protègent la santé fœtale, mais pas la LVC." } }, { "@type": "Question", "name": "Le stress maternel affecte-t-il la LVC ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Un stress élevé peut avoir des effets négatifs sur la grossesse, y compris la LVC." } }, { "@type": "Question", "name": "Que faire si la LVC est anormale ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi échographique plus fréquent et des tests supplémentaires peuvent être nécessaires." } }, { "@type": "Question", "name": "Des traitements existent-ils pour corriger la LVC ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas de traitement pour corriger la LVC, mais une surveillance est essentielle." } }, { "@type": "Question", "name": "Comment gérer une grossesse à risque liée à la LVC ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Une approche multidisciplinaire avec des spécialistes peut être nécessaire pour la gestion." } }, { "@type": "Question", "name": "Les suppléments peuvent-ils influencer la LVC ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des suppléments comme l'acide folique peuvent soutenir le développement fœtal, mais pas la LVC." } }, { "@type": "Question", "name": "La LVC nécessite-t-elle une intervention chirurgicale ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Non, la LVC ne nécessite pas d'intervention chirurgicale, mais un suivi est crucial." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une LVC anormale ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications comme le retard de croissance intra-utérin ou des malformations peuvent survenir." } }, { "@type": "Question", "name": "La LVC anormale est-elle liée à des risques accrus ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une LVC anormale peut être associée à des risques accrus de complications obstétricales." } }, { "@type": "Question", "name": "Comment les anomalies chromosomiques affectent-elles la LVC ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Certaines anomalies chromosomiques peuvent entraîner une LVC inférieure à la normale." } }, { "@type": "Question", "name": "Les complications affectent-elles le suivi de la grossesse ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des complications peuvent nécessiter un suivi plus intensif et des interventions." } }, { "@type": "Question", "name": "Quelles sont les conséquences d'une LVC trop élevée ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Une LVC trop élevée peut indiquer un risque de macrosomie fœtale ou d'autres complications." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'anomalies de LVC ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'âge maternel avancé, l'obésité et des antécédents familiaux d'anomalies augmentent le risque." } }, { "@type": "Question", "name": "Le tabagisme influence-t-il la LVC ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme pendant la grossesse est un facteur de risque pour des anomalies de LVC." } }, { "@type": "Question", "name": "Les maladies chroniques affectent-elles la LVC ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Certaines maladies chroniques, comme le diabète, peuvent influencer la LVC mesurée." } }, { "@type": "Question", "name": "Le stress maternel est-il un facteur de risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un stress élevé peut affecter le développement fœtal et la LVC." } }, { "@type": "Question", "name": "Les infections pendant la grossesse influencent-elles la LVC ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Certaines infections peuvent affecter la croissance fœtale et la LVC mesurée." } } ] } ] }

Sources (10000 au total)

An unsupervised image registration method employing chest computed tomography images and deep neural networks.

Deformable image registration is crucial for multiple radiation therapy applications. Fast registration of computed tomography (CT) lung images is challenging because of the large and nonlinear deform... In this study, an unsupervised lung registration network (LRN) with cycle-consistent training is proposed to align two acquired CT-derived lung datasets during breath-holds at inspiratory and expirato... The results showed that the LRN with an average TRE of 1.78 ± 1.56 mm outperformed VoxelMorph with an average TRE of 2.43 ± 2.43 mm, which is comparable to that of SSTVD with an average TRE of 1.66 ± ... Therefore, this proposed method shows significant potential for use in time-sensitive pulmonary studies, such as lung motion tracking and image-guided surgery....

Deep learning image reconstruction algorithm: impact on image quality in coronary computed tomography angiography.

To perform a comprehensive intraindividual objective and subjective image quality evaluation of coronary CT angiography (CCTA) reconstructed with deep learning image reconstruction (DLIR) and to asses... Fifty-one patients (29 males) undergoing clinically indicated CCTA from April to December 2021 were prospectively enrolled. Fourteen datasets were reconstructed for each patient: three DLIR strength l... DLIR algorithm did not impact vascular attenuation (P ≥ 0.374). DLIR_H showed the lowest noise, comparable with ASiR-V 100% (P = 1) and significantly lower than other reconstructions (P ≤ 0.021). DLIR... DLIR_M significantly improves CCTA image quality and has very strong correlation with routinely applied ASiR-V 50% dataset in the diagnosis of CAD....

Automatic detection of A-line in lung ultrasound images using deep learning and image processing.

Auxiliary diagnosis and monitoring of lung diseases based on lung ultrasound (LUS) images is important clinical research. A-line is one of the most common indicators of LUS that can offer support for ... In order to solve the disadvantages of traditional A-line detection methods, realize automatic and accurate detection, and provide theoretical support for clinical application, we proposed a novel A-l... First, the improved Faster R-CNN model with a selection strategy of localization box was designed to accurately locate the pleural line. Then, the LUS image below the pleural line was segmented for in... After 100 epochs, the mean loss value of training and validation set of improved Faster R-CNN model reached 0.6540 and 0.7882, with the validation accuracy of 98.70%. The trained pleural line localiza... The proposed method combining image processing and deep learning can automatically and accurately detect A-line in LUS images with different probe types, which has important application value for clin...