Titre : Imagerie tridimensionnelle

Imagerie tridimensionnelle : Questions médicales fréquentes

Termes MeSH sélectionnés :

Anatomic Landmarks
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des anomalies avec l'imagerie 3D ?\nL'imagerie 3D est-elle utile pour les fractures ?", "url": "https://questionsmedicales.fr/mesh/D021621?mesh_terms=Anatomic+Landmarks&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Imagerie tridimensionnelle", "description": "Quels symptômes peuvent nécessiter une imagerie 3D ?\nL'imagerie 3D peut-elle aider à évaluer des douleurs abdominales ?\nQuels symptômes cardiaques peuvent être évalués par imagerie 3D ?\nL'imagerie 3D est-elle utile pour les troubles respiratoires ?\nPeut-on détecter des anomalies cérébrales avec l'imagerie 3D ?", "url": "https://questionsmedicales.fr/mesh/D021621?mesh_terms=Anatomic+Landmarks&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Imagerie tridimensionnelle", "description": "L'imagerie 3D peut-elle aider à la détection précoce des maladies ?\nComment l'imagerie 3D contribue-t-elle à la prévention des cancers ?\nPeut-on utiliser l'imagerie 3D pour le dépistage ?\nL'imagerie 3D aide-t-elle à évaluer les risques cardiovasculaires ?\nPeut-on prévenir des maladies avec l'imagerie 3D ?", "url": "https://questionsmedicales.fr/mesh/D021621?mesh_terms=Anatomic+Landmarks&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Imagerie tridimensionnelle", "description": "L'imagerie 3D est-elle utilisée pour planifier des interventions chirurgicales ?\nComment l'imagerie 3D aide-t-elle en radiothérapie ?\nPeut-on utiliser l'imagerie 3D pour guider des biopsies ?\nL'imagerie 3D est-elle utile pour le suivi des traitements ?\nPeut-on utiliser l'imagerie 3D pour des traitements non invasifs ?", "url": "https://questionsmedicales.fr/mesh/D021621?mesh_terms=Anatomic+Landmarks&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Imagerie tridimensionnelle", "description": "Quelles complications peuvent survenir avec l'imagerie 3D ?\nL'imagerie 3D peut-elle causer des effets secondaires ?\nY a-t-il des risques liés à l'utilisation d'agents de contraste ?\nL'imagerie 3D peut-elle entraîner des faux positifs ?\nQuelles sont les complications possibles après une biopsie guidée par imagerie 3D ?", "url": "https://questionsmedicales.fr/mesh/D021621?mesh_terms=Anatomic+Landmarks&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Imagerie tridimensionnelle", "description": "Quels facteurs augmentent le besoin d'imagerie 3D ?\nL'âge est-il un facteur de risque pour l'imagerie 3D ?\nLe tabagisme influence-t-il le besoin d'imagerie 3D ?\nLes antécédents médicaux influencent-ils l'imagerie 3D ?\nY a-t-il des facteurs environnementaux affectant l'imagerie 3D ?", "url": "https://questionsmedicales.fr/mesh/D021621?mesh_terms=Anatomic+Landmarks&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Quels examens utilisent l'imagerie 3D ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "La tomodensitométrie (CT) et l'IRM sont couramment utilisés." } }, { "@type": "Question", "name": "Comment l'imagerie 3D aide-t-elle au diagnostic ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet une visualisation détaillée des organes et des tissus, facilitant le diagnostic." } }, { "@type": "Question", "name": "L'imagerie 3D est-elle utilisée en oncologie ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est essentielle pour localiser et évaluer les tumeurs." } }, { "@type": "Question", "name": "Peut-on détecter des anomalies avec l'imagerie 3D ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de détecter des anomalies structurelles avec précision." } }, { "@type": "Question", "name": "L'imagerie 3D est-elle utile pour les fractures ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle aide à visualiser les fractures complexes et leur impact sur les tissus environnants." } }, { "@type": "Question", "name": "Quels symptômes peuvent nécessiter une imagerie 3D ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs persistantes, des anomalies visibles ou des symptômes neurologiques." } }, { "@type": "Question", "name": "L'imagerie 3D peut-elle aider à évaluer des douleurs abdominales ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet d'identifier des problèmes comme des tumeurs ou des malformations." } }, { "@type": "Question", "name": "Quels symptômes cardiaques peuvent être évalués par imagerie 3D ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs thoraciques ou des palpitations peuvent nécessiter une évaluation." } }, { "@type": "Question", "name": "L'imagerie 3D est-elle utile pour les troubles respiratoires ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle aide à visualiser les poumons et détecter des anomalies comme des nodules." } }, { "@type": "Question", "name": "Peut-on détecter des anomalies cérébrales avec l'imagerie 3D ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est efficace pour visualiser des anomalies comme des tumeurs ou des AVC." } }, { "@type": "Question", "name": "L'imagerie 3D peut-elle aider à la détection précoce des maladies ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de détecter des maladies à un stade précoce, améliorant les chances de traitement." } }, { "@type": "Question", "name": "Comment l'imagerie 3D contribue-t-elle à la prévention des cancers ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet de surveiller les patients à risque et de détecter des anomalies précoces." } }, { "@type": "Question", "name": "Peut-on utiliser l'imagerie 3D pour le dépistage ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est utilisée pour le dépistage de certaines maladies comme le cancer du sein." } }, { "@type": "Question", "name": "L'imagerie 3D aide-t-elle à évaluer les risques cardiovasculaires ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet d'évaluer l'état des artères et de détecter des anomalies." } }, { "@type": "Question", "name": "Peut-on prévenir des maladies avec l'imagerie 3D ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Indirectement, en permettant une détection précoce et un suivi régulier." } }, { "@type": "Question", "name": "L'imagerie 3D est-elle utilisée pour planifier des interventions chirurgicales ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de planifier avec précision les interventions chirurgicales." } }, { "@type": "Question", "name": "Comment l'imagerie 3D aide-t-elle en radiothérapie ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet de cibler précisément les tumeurs tout en épargnant les tissus sains." } }, { "@type": "Question", "name": "Peut-on utiliser l'imagerie 3D pour guider des biopsies ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle aide à localiser précisément les zones à biopsier." } }, { "@type": "Question", "name": "L'imagerie 3D est-elle utile pour le suivi des traitements ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet d'évaluer l'efficacité des traitements au fil du temps." } }, { "@type": "Question", "name": "Peut-on utiliser l'imagerie 3D pour des traitements non invasifs ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est utilisée pour des techniques comme l'ablation par radiofréquence." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec l'imagerie 3D ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des réactions allergiques aux agents de contraste ou des effets secondaires liés à l'exposition." } }, { "@type": "Question", "name": "L'imagerie 3D peut-elle causer des effets secondaires ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, notamment des effets liés à l'exposition aux radiations en cas de CT." } }, { "@type": "Question", "name": "Y a-t-il des risques liés à l'utilisation d'agents de contraste ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des réactions allergiques ou des problèmes rénaux peuvent survenir." } }, { "@type": "Question", "name": "L'imagerie 3D peut-elle entraîner des faux positifs ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des anomalies peuvent être détectées qui ne sont pas cliniquement significatives." } }, { "@type": "Question", "name": "Quelles sont les complications possibles après une biopsie guidée par imagerie 3D ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Des saignements ou des infections peuvent survenir après la procédure." } }, { "@type": "Question", "name": "Quels facteurs augmentent le besoin d'imagerie 3D ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Antécédents familiaux de maladies, symptômes persistants ou exposition à des risques environnementaux." } }, { "@type": "Question", "name": "L'âge est-il un facteur de risque pour l'imagerie 3D ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes âgées sont plus susceptibles de nécessiter des examens d'imagerie." } }, { "@type": "Question", "name": "Le tabagisme influence-t-il le besoin d'imagerie 3D ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, il augmente le risque de maladies pulmonaires nécessitant une évaluation." } }, { "@type": "Question", "name": "Les antécédents médicaux influencent-ils l'imagerie 3D ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents de maladies peuvent justifier des examens d'imagerie réguliers." } }, { "@type": "Question", "name": "Y a-t-il des facteurs environnementaux affectant l'imagerie 3D ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exposition à des substances toxiques peut augmenter le besoin d'examens." } } ] } ] }

Sources (4560 au total)

Automatic landmark identification in cone-beam computed tomography.

To present and validate an open-source fully automated landmark placement (ALICBCT) tool for cone-beam computed tomography scans.... One hundred and forty-three large and medium field of view cone-beam computed tomography (CBCT) were used to train and test a novel approach, called ALICBCT that reformulates landmark detection as a c... Our method achieved a high accuracy with an average of 1.54 ± 0.87 mm error for the 32 landmark positions with rare failures, taking an average of 4.2 second computation time to identify each landmark... The ALICBCT algorithm is a robust automatic identification tool that has been deployed for clinical and research use as an extension in the 3D Slicer platform allowing continuous updates for increased...

Automated detection of cephalometric landmarks using deep neural patchworks.

This study evaluated the accuracy of deep neural patchworks (DNPs), a deep learning-based segmentation framework, for automated identification of 60 cephalometric landmarks (bone-, soft tissue- and to... Full skull CT scans of 30 adult patients (18 female, 12 male, mean age 35.6 years) were randomly divided into a training and test data set (each... The DNP was successfully trained to identify all 60 landmarks. The mean error of our method was 1.94 mm (SD 1.45 mm) compared to a mean error of 1.32 mm (SD 1.08 mm) for manual annotations. The minimu... The DNP-algorithm was able to accurately identify cephalometric landmarks with mean errors <2 mm. This method could improve the workflow of cephalometric analysis in orthodontics and orthognathic surg...

Endoscopic landmarks corresponding to anatomical landmarks for esophageal subsite classification.

Individual treatment strategies for esophageal cancer have been investigated based on the anatomical subsite classification. Accurate subsite classification based on these anatomical landmarks is thus... Patients who received endoscopic ultrasonography (and computed tomography scans for surveillance of esophageal cancer treatment or esophageal submucosal tumors were included. Distances between anatomi... The mean (standard deviation) distances from the superior incisor dentition to the pharynx-esophagus, cervical-upper thoracic esophagus, and upper-middle thoracic esophagus boundaries were 16.9 (1.7),... Existing indicators of esophageal subsite boundaries were not consistent with anatomical boundaries. Modification of the distance from the superior incisor dentition based on average distances from an...

Evaluation of an artificial intelligence-based algorithm for automated localization of craniofacial landmarks.

Due to advancing digitalisation, it is of interest to develop standardised and reproducible fully automated analysis methods of cranial structures in order to reduce the workload in diagnosis and trea... A total of 931 CBCTs were used to train the algorithm. To test the algorithm, 35 landmarks were located manually by three experts and automatically by the algorithm in 114 CBCTs. The time and distance... The results showed no statistically significant difference between the two measurement methods. Overall, with a mean error of 2.73 mm, the AI was 2.12% better and 95% faster than the experts. In the a... The achieved accuracy of automatic landmark detection was in a clinically acceptable range, is comparable in precision to manual landmark determination, and requires less time.... Further enlargement of the database and continued development and optimization of the algorithm may lead to ubiquitous fully automated localization and analysis of CBCT datasets in future routine clin...

Accuracy of web-based automated versus digital manual cephalometric landmark identification.

The purpose of this study was to assess the accuracy of two web-based automated cephalometric landmark identification and analysis programs. Manual landmark identification using Dolphin Imaging softwa... 105 cephalograms were selected and divided into three groups of 35 subjects each, Class I, II and III. Radiographs were traced using Dolphin imaging software. WebCeph™ (South Korea) and Cephio™ (Polan... The mean difference (MD) between AI and manually-derived measurements was less than 1 mm/degree and ranged from 0.01 to 0.8 except for upper lip protrusion (MD 1.35°), nasolabial angle (MD 5.01°), SN-... For most of the measurements, automated cephalometric measurements were clinically acceptable. Few differences were found between Webceph™ and Cephio™ for most measurements. Measurements including SNA...

Comparison of ultrasound- vs. landmark-guided injections for musculoskeletal pain: an umbrella review.

This umbrella review synthesizes systematic reviews and meta-analyses to reach a conclusion concerning the overall effectiveness of ultrasound-guided vs landmark-guided injections for treating musculo... Umbrella review.... PubMed, EMBASE, MEDLINE, and Web of Science were searched for relevant systematic reviews and meta-analyses from inception to March 2024. Critical appraisal, data extraction, and synthesis were perfor... Seventeen articles, comprising 4 systematic reviews and 13 meta-analyses, were included. Using the AMSTAR2 instrument for quality assessment, 3 articles were rated as high quality, 1 as moderate, 7 as... This umbrella review offers an in-depth analysis of the comparative effectiveness of ultrasound-guided and landmark-guided injections across a range of musculoskeletal sites/conditions. The findings s...