Titre : Antigène KI-67

Antigène KI-67 : Questions médicales fréquentes

Termes MeSH sélectionnés :

Diffusion Tensor Imaging
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"Diagnostic sur Antigène KI-67", "description": "Comment le Ki-67 est-il utilisé dans le diagnostic du cancer ?\nQuel type d'échantillon est nécessaire pour le test Ki-67 ?\nQuelle est l'importance du score Ki-67 ?\nLe Ki-67 est-il spécifique à certains types de cancer ?\nComment le Ki-67 est-il mesuré ?", "url": "https://questionsmedicales.fr/mesh/D019394?mesh_terms=Diffusion+Tensor+Imaging&page=998#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Antigène KI-67", "description": "Quels symptômes peuvent indiquer un cancer avec un score Ki-67 élevé ?\nLe Ki-67 influence-t-il les symptômes du cancer ?\nLes symptômes sont-ils liés à la prolifération cellulaire ?\nUn score Ki-67 bas signifie-t-il moins de symptômes ?\nLes symptômes varient-ils selon le type de cancer et le Ki-67 ?", "url": "https://questionsmedicales.fr/mesh/D019394?mesh_terms=Diffusion+Tensor+Imaging&page=998#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Antigène KI-67", "description": "Peut-on prévenir un cancer associé à un score Ki-67 élevé ?\nY a-t-il des mesures préventives spécifiques pour le cancer ?\nLe Ki-67 peut-il être un indicateur de prévention ?\nComment le dépistage précoce aide-t-il avec le Ki-67 ?\nLes habitudes alimentaires influencent-elles le Ki-67 ?", "url": "https://questionsmedicales.fr/mesh/D019394?mesh_terms=Diffusion+Tensor+Imaging&page=998#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Antigène KI-67", "description": "Le Ki-67 influence-t-il le choix du traitement ?\nQuels traitements sont associés à un score Ki-67 élevé ?\nLe Ki-67 est-il un facteur dans les traitements hormonaux ?\nComment le Ki-67 affecte-t-il le suivi du traitement ?\nLes traitements sont-ils différents selon le type de cancer et le Ki-67 ?", "url": "https://questionsmedicales.fr/mesh/D019394?mesh_terms=Diffusion+Tensor+Imaging&page=998#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Antigène KI-67", "description": "Quelles complications peuvent survenir avec un score Ki-67 élevé ?\nLe Ki-67 est-il lié à des complications spécifiques ?\nComment le Ki-67 affecte-t-il le pronostic des complications ?\nLes complications varient-elles selon le type de cancer et le Ki-67 ?\nLe suivi régulier peut-il réduire les complications liées au Ki-67 ?", "url": "https://questionsmedicales.fr/mesh/D019394?mesh_terms=Diffusion+Tensor+Imaging&page=998#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Antigène KI-67", "description": "Quels sont les facteurs de risque associés à un score Ki-67 élevé ?\nLe tabagisme influence-t-il le Ki-67 ?\nL'alimentation joue-t-elle un rôle dans le Ki-67 ?\nLes facteurs génétiques affectent-ils le Ki-67 ?\nLe stress a-t-il un impact sur le Ki-67 ?", "url": "https://questionsmedicales.fr/mesh/D019394?mesh_terms=Diffusion+Tensor+Imaging&page=998#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment le Ki-67 est-il utilisé dans le diagnostic du cancer ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le Ki-67 est mesuré pour évaluer le taux de prolifération cellulaire dans les tumeurs." } }, { "@type": "Question", "name": "Quel type d'échantillon est nécessaire pour le test Ki-67 ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Un échantillon de tissu tumoral est nécessaire, généralement obtenu par biopsie." } }, { "@type": "Question", "name": "Quelle est l'importance du score Ki-67 ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Un score élevé indique une prolifération rapide, souvent associé à un pronostic défavorable." } }, { "@type": "Question", "name": "Le Ki-67 est-il spécifique à certains types de cancer ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, il est souvent utilisé dans les cancers du sein, de la prostate et lymphomes." } }, { "@type": "Question", "name": "Comment le Ki-67 est-il mesuré ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Il est mesuré par immunohistochimie, une technique de coloration des tissus." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer un cancer avec un score Ki-67 élevé ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes varient, mais peuvent inclure fatigue, perte de poids et douleurs." } }, { "@type": "Question", "name": "Le Ki-67 influence-t-il les symptômes du cancer ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Non, le Ki-67 ne cause pas de symptômes, mais indique la gravité de la maladie." } }, { "@type": "Question", "name": "Les symptômes sont-ils liés à la prolifération cellulaire ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une prolifération rapide peut entraîner des symptômes plus graves et avancés." } }, { "@type": "Question", "name": "Un score Ki-67 bas signifie-t-il moins de symptômes ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Pas nécessairement, mais un score bas est souvent associé à une maladie moins agressive." } }, { "@type": "Question", "name": "Les symptômes varient-ils selon le type de cancer et le Ki-67 ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les symptômes peuvent varier selon le type de cancer et le niveau de prolifération." } }, { "@type": "Question", "name": "Peut-on prévenir un cancer associé à un score Ki-67 élevé ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "La prévention passe par un mode de vie sain, mais le Ki-67 ne peut pas être prévenu." } }, { "@type": "Question", "name": "Y a-t-il des mesures préventives spécifiques pour le cancer ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, dépistage régulier et adoption de comportements sains peuvent réduire les risques." } }, { "@type": "Question", "name": "Le Ki-67 peut-il être un indicateur de prévention ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Non, le Ki-67 est un marqueur de prolifération, pas un indicateur de prévention." } }, { "@type": "Question", "name": "Comment le dépistage précoce aide-t-il avec le Ki-67 ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Le dépistage précoce permet de détecter des cancers à un stade où le Ki-67 est plus bas." } }, { "@type": "Question", "name": "Les habitudes alimentaires influencent-elles le Ki-67 ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée peut réduire le risque de cancer, mais n'affecte pas directement le Ki-67." } }, { "@type": "Question", "name": "Le Ki-67 influence-t-il le choix du traitement ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un score élevé peut conduire à des traitements plus agressifs comme la chimiothérapie." } }, { "@type": "Question", "name": "Quels traitements sont associés à un score Ki-67 élevé ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Chimiothérapie, radiothérapie et thérapies ciblées sont souvent envisagées." } }, { "@type": "Question", "name": "Le Ki-67 est-il un facteur dans les traitements hormonaux ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, dans les cancers hormonodépendants, un score élevé peut influencer le traitement." } }, { "@type": "Question", "name": "Comment le Ki-67 affecte-t-il le suivi du traitement ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Le suivi du Ki-67 peut aider à évaluer la réponse au traitement et ajuster les stratégies." } }, { "@type": "Question", "name": "Les traitements sont-ils différents selon le type de cancer et le Ki-67 ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les traitements peuvent varier selon le type de cancer et le niveau de Ki-67." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec un score Ki-67 élevé ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Un score élevé peut entraîner des complications comme des métastases et une récidive." } }, { "@type": "Question", "name": "Le Ki-67 est-il lié à des complications spécifiques ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un score élevé est souvent associé à des complications plus graves dans le cancer." } }, { "@type": "Question", "name": "Comment le Ki-67 affecte-t-il le pronostic des complications ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un score élevé indique un pronostic défavorable, augmentant le risque de complications." } }, { "@type": "Question", "name": "Les complications varient-elles selon le type de cancer et le Ki-67 ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les complications peuvent varier selon le type de cancer et le niveau de Ki-67." } }, { "@type": "Question", "name": "Le suivi régulier peut-il réduire les complications liées au Ki-67 ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un suivi régulier permet de détecter et de traiter rapidement les complications." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque associés à un score Ki-67 élevé ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'âge, les antécédents familiaux et certains modes de vie." } }, { "@type": "Question", "name": "Le tabagisme influence-t-il le Ki-67 ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme est un facteur de risque pour plusieurs cancers, affectant le Ki-67." } }, { "@type": "Question", "name": "L'alimentation joue-t-elle un rôle dans le Ki-67 ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation riche en graisses et en sucres peut augmenter le risque de cancer." } }, { "@type": "Question", "name": "Les facteurs génétiques affectent-ils le Ki-67 ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des mutations génétiques peuvent influencer la prolifération cellulaire et le Ki-67." } }, { "@type": "Question", "name": "Le stress a-t-il un impact sur le Ki-67 ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Le stress chronique peut affecter le système immunitaire, influençant le cancer et le Ki-67." } } ] } ] }

Sources (10000 au total)

Performance evaluation of deep learning image reconstruction algorithm for dual-energy spectral CT imaging: A phantom study.

To evaluate the performance of deep learning image reconstruction (DLIR) algorithm in dual-energy spectral CT (DEsCT) as a function of radiation dose and image energy level, in comparison with filtere... An ACR464 phantom was scanned with DEsCT at four dose levels (3.5 mGy, 5 mGy, 7.5 mGy, and 10 mGy). Virtual monochromatic images were reconstructed at five energy levels (40 keV, 50 keV, 68 keV, 74 ke... NPS area and noise increased as keV decreased, with DLIR having slower increase than FBP and ASIR-V, and DLIR-H having the lowest values. DLIR had the best 40 keV/140 keV noise ratio at various energy... DLIR provides better noise containment for low keV images in DEsCT and higher TTF(50%) for the polystyrene insert over ASIR-V. DLIR-H has the lowest image noise and highest detectability in all dose a...

FMB: Dual-view fusion and registration of 2D DSA images and 3D MRA images for neurointerventional-based procedures.

Alignment between preoperative images (high-resolution magnetic resonance imaging, magnetic resonance angiography) and intraoperative medical images (digital subtraction angiography) is currently requ... Therefore, the paper introduces a registration pipeline for multimodal images with fused dual views is presented. Deep learning methods are introduced to accomplish feature extraction of multimodal im... Compared to existing 2D/3D point set registration methods, this method utilizes a different problem formulation, searches the rotation and translation space more efficiently, and improves registration... Experiments with synthesized and real data show that the proposed method was achieved in accuracy, robustness, and time efficiency....

Comparing image normalization techniques in an end-to-end model for automated modic changes classification from MRI images.

Modic Changes (MCs) are MRI alterations in spine vertebrae's signal intensity. This study introduces an end-to-end model to automatically detect and classify MCs in lumbar MRIs. The model's two-step p... The aim is to investigate how different MRI normalization techniques affect MCs classification and how the model can be used in a clinical setting.... A combination of Faster R-CNN and a 3D Convolutional Neural Network (CNN) is employed. The model first identifies intervertebral regions and then classifies MC types (MC0, MC1, MC2) using paired T1-an... The detection model achieves high accuracy in identifying intervertebral areas, with Intersection over Union (IoU) values above 0.7, indicating strong localization alignment. Confidence scores above 0... The study's end-to-end model shows promise in automating MC assessment, contributing to standardized diagnostics and treatment planning. Limitations include dataset size, class imbalance, and lack of ...

AI Deployment on GBM Diagnosis: A Novel Approach to Analyze Histopathological Images Using Image Feature-Based Analysis.

Glioblastoma (GBM) is one of the most common malignant primary brain tumors, which accounts for 60-70% of all gliomas. Conventional diagnosis and the decision of post-operation treatment plan for glio... Two independent cohorts of patients were used. The first cohort was composed of 262 GBM patients of the Cancer Genome Atlas Glioblastoma Multiform Collection (TCGA-GBM) dataset from the cancer imaging... All five machine learning algorithms demonstrated excellent performance in GBM diagnosis and achieved an overall accuracy of 100% in the training and validation stage. A total of 12 GLCM and 3 GLRLM i... In this study, we have identified 12 GLCM and 3 GLRLM image features which can aid the GBM diagnosis. Among the five models built, the SVM model proposed in this study demonstrated excellent accuracy ...

Body image impact on quality of life and adolescents' binge eating: the indirect role of body image coping strategies.

The role of body image in adolescent binge eating is widely confirmed, albeit the various facets of this relationship are still mostly unexplored. Within the multidimensional body image framework, thi... Participants were 715 adolescents aged 15-21 years (49.1% girls) recruited in Italian schools. An anonymous self-report online survey was administered. A multiple mediation model was tested.... A more positive perceived impact of body image on quality of life was a negative predictor of adolescents' binge eating, controlling for individual levels of body satisfaction. Three indirect effects ... The body image impact on quality of life can be alternatively protective-when adaptive coping is solicited, and maladaptive strategies are reduced-or a risk factor, which may increase binge eating by ... Evidence obtained from cohort or case-control analytic studies....

Imaging Wisely Campaign: Initiative to Reduce Imaging for Low Back Pain Across a Large Safety Net System.

Low back pain is a common clinical presentation that often results in expensive and unnecessary imaging that may lead to undue patient harm, including unnecessary procedures. We present an initiative ... This quality improvement study was conducted across 70 ambulatory clinics and 11 teaching hospitals. Three electronic health record changes, using the concept of a nudge, were introduced into orders f... Across all clinical environments, there were statistically significant decreases in level differences pre- and postintervention for lumbar x-ray (-52.9% for inpatient encounters, P < .001; -23.7% for ... Our intervention successfully decreased lumbar radiography across all clinical settings, with a reduction in lumbar CTs in the inpatient and ambulatory settings. There were no changes for lumbar MRI o...