Titre : Tomodensitométrie multidétecteurs

Tomodensitométrie multidétecteurs : Questions médicales fréquentes

Termes MeSH sélectionnés :

Constriction, Pathologic
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contribue-t-elle à la prévention des maladies ?\nLa TDM est-elle recommandée pour les personnes à risque ?", "url": "https://questionsmedicales.fr/mesh/D061330?mesh_terms=Constriction,+Pathologic&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Tomodensitométrie multidétecteurs", "description": "La TDM est-elle utilisée pour guider des traitements ?\nPeut-on utiliser la TDM pour surveiller l'évolution d'une maladie ?\nLa TDM peut-elle aider à planifier une chirurgie ?\nQuels traitements peuvent être guidés par TDM ?\nLa TDM est-elle utilisée pour évaluer l'efficacité d'un traitement ?", "url": "https://questionsmedicales.fr/mesh/D061330?mesh_terms=Constriction,+Pathologic&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Tomodensitométrie multidétecteurs", "description": "Quelles sont les complications possibles de la TDM ?\nLa TDM peut-elle causer des effets secondaires ?\nComment minimiser les risques liés à la TDM ?\nLes patients peuvent-ils avoir des allergies au produit de contraste ?\nQuelles précautions prendre avant une TDM ?", "url": "https://questionsmedicales.fr/mesh/D061330?mesh_terms=Constriction,+Pathologic&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Tomodensitométrie multidétecteurs", "description": "Quels sont les facteurs de risque pour des examens TDM fréquents ?\nLes enfants sont-ils plus à risque avec la TDM ?\nComment l'âge influence-t-il le risque lié à la TDM ?\nLes femmes enceintes doivent-elles éviter la TDM ?\nQuels comportements augmentent le risque de maladies nécessitant une TDM ?", "url": "https://questionsmedicales.fr/mesh/D061330?mesh_terms=Constriction,+Pathologic&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Quels sont les principaux usages de la tomodensitométrie multidétecteurs ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Elle est utilisée pour diagnostiquer des maladies, évaluer des traumatismes et guider des interventions." } }, { "@type": "Question", "name": "Comment la TDM multidétecteurs aide-t-elle au diagnostic du cancer ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet de visualiser les tumeurs, évaluer leur taille et détecter des métastases." } }, { "@type": "Question", "name": "La TDM peut-elle détecter des maladies cardiovasculaires ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est efficace pour visualiser les artères coronaires et détecter des anomalies." } }, { "@type": "Question", "name": "Quels types de pathologies peuvent être évalués par TDM ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Elle évalue les pathologies pulmonaires, abdominales, neurologiques et osseuses." } }, { "@type": "Question", "name": "La TDM multidétecteurs est-elle utile en cas de traumatisme ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet une évaluation rapide des blessures internes et des hémorragies." } }, { "@type": "Question", "name": "Quels symptômes peuvent nécessiter une TDM ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs abdominales, des maux de tête persistants ou des traumatismes peuvent l'exiger." } }, { "@type": "Question", "name": "La TDM peut-elle aider à évaluer des symptômes respiratoires ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est utilisée pour diagnostiquer des infections pulmonaires ou des embolies." } }, { "@type": "Question", "name": "Quels signes neurologiques justifient une TDM ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des signes tels que des vertiges, des troubles de la vision ou des pertes de conscience." } }, { "@type": "Question", "name": "La TDM est-elle utile pour des douleurs thoraciques ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle aide à évaluer des causes comme l'embolie pulmonaire ou l'infarctus du myocarde." } }, { "@type": "Question", "name": "Quels symptômes digestifs peuvent nécessiter une TDM ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs abdominales aiguës, des vomissements ou des saignements gastro-intestinaux." } }, { "@type": "Question", "name": "La TDM peut-elle être utilisée en dépistage préventif ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle est parfois utilisée pour le dépistage du cancer du poumon chez les fumeurs." } }, { "@type": "Question", "name": "Quels facteurs de risque justifient une TDM préventive ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des antécédents familiaux de cancer ou des expositions professionnelles à des agents cancérigènes." } }, { "@type": "Question", "name": "La TDM peut-elle aider à prévenir des complications ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de détecter précocement des anomalies pouvant mener à des complications." } }, { "@type": "Question", "name": "Comment la TDM contribue-t-elle à la prévention des maladies ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Elle permet une détection précoce des maladies, facilitant des interventions rapides." } }, { "@type": "Question", "name": "La TDM est-elle recommandée pour les personnes à risque ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut être recommandée pour les personnes à risque élevé de certaines pathologies." } }, { "@type": "Question", "name": "La TDM est-elle utilisée pour guider des traitements ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle aide à guider des biopsies, des drainages ou des interventions chirurgicales." } }, { "@type": "Question", "name": "Peut-on utiliser la TDM pour surveiller l'évolution d'une maladie ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de suivre la réponse au traitement et l'évolution des lésions." } }, { "@type": "Question", "name": "La TDM peut-elle aider à planifier une chirurgie ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle fournit des images précises pour une meilleure planification chirurgicale." } }, { "@type": "Question", "name": "Quels traitements peuvent être guidés par TDM ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des traitements comme la radiothérapie ou l'injection de médicaments ciblés." } }, { "@type": "Question", "name": "La TDM est-elle utilisée pour évaluer l'efficacité d'un traitement ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle permet de visualiser la réduction des tumeurs ou des lésions après traitement." } }, { "@type": "Question", "name": "Quelles sont les complications possibles de la TDM ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent l'exposition aux radiations et des réactions allergiques au contraste." } }, { "@type": "Question", "name": "La TDM peut-elle causer des effets secondaires ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des effets secondaires peuvent survenir, notamment des nausées ou des réactions cutanées." } }, { "@type": "Question", "name": "Comment minimiser les risques liés à la TDM ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "En limitant le nombre d'examens et en utilisant des techniques de réduction de dose." } }, { "@type": "Question", "name": "Les patients peuvent-ils avoir des allergies au produit de contraste ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines personnes peuvent développer des allergies au produit de contraste utilisé." } }, { "@type": "Question", "name": "Quelles précautions prendre avant une TDM ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Informer le médecin des allergies, des maladies rénales et des médicaments en cours." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque pour des examens TDM fréquents ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'exposition antérieure aux radiations et des antécédents de cancer augmentent les risques." } }, { "@type": "Question", "name": "Les enfants sont-ils plus à risque avec la TDM ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les enfants sont plus sensibles aux effets des radiations, nécessitant prudence." } }, { "@type": "Question", "name": "Comment l'âge influence-t-il le risque lié à la TDM ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les personnes âgées peuvent avoir un risque accru de complications liées à la TDM." } }, { "@type": "Question", "name": "Les femmes enceintes doivent-elles éviter la TDM ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la TDM est généralement évitée pendant la grossesse en raison des risques pour le fœtus." } }, { "@type": "Question", "name": "Quels comportements augmentent le risque de maladies nécessitant une TDM ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme, l'alcoolisme et une mauvaise alimentation augmentent les risques de maladies." } } ] } ] }

Sources (10000 au total)

Internal Carotid Artery Constriction with or without Superficial Temporal Artery-Middle Cerebral Artery Bypass for Patients with Giant Internal Carotid Aneurysms.

The optimal management of giant internal carotid aneurysms (GICAs) is disputed owing to their low incidence. The aim of this study was to describe the use of internal carotid artery (ICA) constriction... This retrospective cohort study analyzed data from medical histories and follow-up of 14 patients with GICAs. Before surgery, the patients underwent balloon test occlusion and magnetic resonance perfu... The mean follow-up time of the 14 patients was 43.5 months (interquartile range: 38.8-51.3 months). Of these 14 patients, 5 achieved O'Kelly-Marotta grades C and D. Clinical improvement occurred in 12... ICA constriction exhibits a perforator protective effect. This procedure could be a promising alternative to ICA ligation in patients with GICAs and negative balloon test occlusion....

Pathologic characteristics of human venous in-stent stenosis and stent occlusion.

The objective of this study was to determine the pathologic features of venous in-stent stenosis over time occurring in bare metal stents.... Endovascular biopsy samples were obtained prospectively from venous bare metal stents implanted in 2009 through 2018. All samples were formalin-fixed, paraffin-embedded and stained with hematoxylin an... A total of 254 post-stent venograms with biopsies of in-stent contents from 148 unique patients were studied. Fresh thrombus and organizing thrombus were both present across all studied time intervals... The evolution of human venous in-stent restenosis appears to follow a time-dependent course, suggesting a possible progressive evolution from fresh and organizing thrombus to DIT. Contrasted with the ...

Atherosclerosis risk classification with computed tomography angiography: A radiologic-pathologic validation study.

The application of machine learning to assess plaque risk phenotypes on cardiovascular CT angiography (CTA) is an area of active investigation. Studies using accepted histologic definitions of plaque ... Sections of atherosclerotic plaques paired with CTA were prospectively collected from patients undergoing carotid endarterectomy at two centers. Specimens were annotated for lipid-rich necrotic core, ... A total of 496 and 408 vessel cross-sections in the derivation and validation cohorts (from 30 and 23 patients, respectively). The software demonstrated excellent agreement in the validation cohort wi... A machine-learning software trained on histological ground-truth tissue inputs demonstrated high accuracy for identifying plaque stability phenotypes as compared to expert pathologists....

Therapeutic Living Donor Nephrectomy for Proximal Ureteral Pathology: A Longitudinal Case Series.

To raise awareness that patients with proximal ureteral stricture who elect for nephrectomy can consider donating the kidney. We present a series of patients undergoing therapeutic living donor nephre... This is a retrospective case series of seven therapeutic donors with proximal ureteral pathology and stone disease. Patient characteristics, donor work up, operative details, and donor and recipient o... All seven donors had proximal ureteral pathology, and six of the seven had nephrolithiasis or ureterolithiasis. After electing for nephrectomy, the mean time to TLDN was 57.9 days. No recipients exper... This is the first series demonstrating patients with proximal ureteral stricture, even with concomitant stone disease, may donate kidneys for transplantation. Recipient outcomes suggest this practice ...

Vascular Pathology and Impact of Stent Eccentricity for Stent Restenosis in Femoropopliteal Endovascular Therapy.

To explore the clinical features associated with stent eccentricity and reveal the impact of stent eccentricity on the risk of 1-year restenosis after femoropopliteal stent implantation for symptomati... The clinical database of a multicenter prospective study was used. It registered 2,018 limbs of 1,766 patients in whom intravascular ultrasound (IVUS)-supported femoropopliteal endovascular therapy (E... Chronic total occlusion and bilateral arterial calcification (peripheral artery calcification scoring system Grades 3 and 4) were positively associated with stent eccentricity, whereas renal failure w... Stent eccentricity was not significantly associated with the risk of 1-year restenosis after femoropopliteal EVT....

A comparative study of three-dimensional cone-beam CT sialography and MR sialography for the detection of non-tumorous salivary pathologies.

Imaging of the salivary ductal system is relevant prior to an endoscopic or a surgical procedure. Various imaging modalities can be used for this purpose. The aim of this study was to compare the diag... This prospective, monocenter, pilot study compared both imaging modalities in 46 patients (mean age 50.1 ± 14.9 years) referred for salivary symptoms. The analyses were performed by two independent ra... Salivary symptoms involved both the submandibular (60.9%) and parotid (39.1%) glands. Sialolithiasis, dilatations, and stenosis were observed in 24, 25, and 9 patients, respectively, with no statistic... Both imaging procedures warrant being part of the diagnostic arsenal of non-tumorous salivary pathologies. However, MR sialography may be more effective than 3D-CBCT sialography for the identification... NCT02883140....

Initial experience with the graphical user interface for laser parameters setting of a new thulium fibre laser source device for urinary pathologies treatment.

We aimed to evaluate the concordance between the pre-settings ranges of thulium fibre laser (TFL) (Coloplast TFL Drive, Denmark) with easy-to-use graphical user interface and the laser settings used b... In October 2022, we prospectively collected data of 67 patients who underwent TFL Drive (Coloplast, Denmark) for the management of urinary stones. Urothelial tumour (upper tract urinary cancer (UTUC) ... A total 67 patients took part in the study. Median age was 52 (15-81) years. 55 (82%), 8 (12%), and 4 (6%) patients presented urinary stones, urothelial tumour, and stenosis, respectively. Median ston... During endoscopic procedures for urinary stones treatment, it is frequently needed to change laser parameters. These new TFL and GUI technology parameters remained in the pre-set security range in 94....