Titre : Tomodensitométrie multidétecteurs

Tomodensitométrie multidétecteurs : Questions médicales fréquentes

Termes MeSH sélectionnés :

Multidetector Computed Tomography
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la tomodensitométrie multidétecteurs ?\nComment la TDM multidétecteurs aide-t-elle au diagnostic du cancer ?\nLa TDM peut-elle détecter des maladies cardiovasculaires ?\nQuels types de pathologies peuvent être évalués par TDM ?\nLa TDM multidétecteurs est-elle utile en cas de traumatisme ?", "url": "https://questionsmedicales.fr/mesh/D061330?mesh_terms=Multidetector+Computed+Tomography&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Tomodensitométrie multidétecteurs", "description": "Quels symptômes peuvent nécessiter une TDM ?\nLa TDM peut-elle aider à évaluer des symptômes respiratoires ?\nQuels signes neurologiques justifient une TDM ?\nLa TDM est-elle utile pour des douleurs thoraciques ?\nQuels symptômes digestifs peuvent nécessiter une TDM ?", "url": "https://questionsmedicales.fr/mesh/D061330?mesh_terms=Multidetector+Computed+Tomography&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Tomodensitométrie multidétecteurs", "description": "La TDM peut-elle être utilisée en dépistage préventif ?\nQuels facteurs de risque justifient une TDM préventive ?\nLa TDM peut-elle aider à prévenir des complications ?\nComment la TDM 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=Multidetector+Computed+Tomography&page=3#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": 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doivent-elles éviter la TDM ?\nQuels comportements augmentent le risque de maladies nécessitant une TDM ?", "url": "https://questionsmedicales.fr/mesh/D061330?mesh_terms=Multidetector+Computed+Tomography&page=3#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)

Multidetector Computed Tomography Used in Evaluation of Olfactory Fossa Depth in a Tertiary Hospital in Eastern Region of Nepal: A Descriptive Cross-sectional Study.

Olfactory fossa (OF) is a depression in most infero-medial portion of anterior cranial fossa formed by cribriform plate, crista galli and lateral lamella of cribriform plate (LLCP). LLCP being thinnes... In this ethically approved prospective, cross-sectional descriptive study, CT scan was done in 530 consecutive patients from February 2022 to July 2023. Coronal CT images of paranasal sinuses and nose... Out of 530 patients included in this study, 310 (58.49%) were male and 220 (41.51%) were female with mean age of 40.46±11.56 years. Total of 1060 olfactory fossa were analyzed with mean depth of 4.96±... Keros type II OF is more common. The dangerous type III OF having low prevalence, more commonly seen on right side and in males....

Feasibility of Early Evaluation for the Recurrence of Bladder Cancer after Trans-Urethral Resection: A Comparison between Magnetic Resonance Imaging and Multidetector Computed Tomography.

(1) Background: This study investigates the early evaluation value of magnetic resonance imaging (MRI) and multidetector computed tomography (MDCT) in diagnosing the recurrence of bladder cancer (BC) ...

Predictors of malignant intussusception in adults using clinical manifestations and multidetector computed tomographic findings.

To investigate the diagnostic performance of clinical manifestations and multidetector computed tomographic (MDCT) features in detecting predictors of malignant intussusception in adults.... We retrospectively reviewed 88 adults with 91 intussusceptions who were diagnosed by MDCT. Their clinical manifestations and MDCT features were reviewed and compared between the malignant and benign g... There were 61 patients in the malignant group and 27 patients in the benign group. The malignant group had older age (mean, 62.61 vs 54.22 years, P = 0.014), more colon-related intussusception (89.06%... Malignant intussusception can be identified using independent predictors such as intussusception length, maximum short axis diameter, non-round/oval and non-hypodense lead point. When integrating thes...

Multidetector-Row Computed Tomographic Analysis of the Superficial Palmar Branch of Radial Artery Perforator Flaps.

Soft-tissue defects in the hand and digits can be effectively covered by using the free superficial palmar branch of the radial artery (SPBRA) flap, which is harvested from the radial volar wrist. Bec... This retrospective anatomical study was conducted from 2014 to 2019. All data from Digital Imaging and Communications in Medicine were analyzed by using their viewer. SPBRA diameter and the location w... In total, 30 patients met all eligibility criteria. All had the SPBRA. The vessel bifurcated from the radial artery on average 13.2 mm proximally from the radial styloid process. The 30 patients had 4... All patients had at least one reliable SPBRA perforator in the radial volar wrist. The authors' results suggest that plastic surgeons can easily and safely plan the SPBRA flap design, potentially with...

Percutaneous cryoablation for clinical T3a renal cell carcinoma (< 7 cm) with segmental vein involvement or perinephric fat invasion based on preoperative evaluation of high-resolution multidetector computed tomography scan.

To retrospectively assess the feasibility, safety, renal function, technique efficacy rate, and survival of patients with clinical T3a renal cell carcinoma (RCC).... Sixteen cryoablation sessions were performed in 14 patients (10 men; mean age, 69.8 ± 10.5 years; range, 49-90 years) with 14 clear cell T3a RCCs (mean, 3.3 ± 0.9 cm; range, 1.9-5.2 cm). One patient w... Cryoablation was technically successful in all RCC cases. In two RCCs, cryoablation was performed twice because of local tumor progression. No major adverse events were observed. All patients were ali... Cryoablation was safe and effective in T3a RCC, which mainly involved the renal venous branches and may represent an alternative treatment for inoperable patients....

Role of Multidetector Computed Tomography in the Evaluation of Maxillofacial Trauma.

Maxillofacial fractures are among the commonest injuries occurring in trauma patients. Multislice computed tomography (CT) is a widely used radiological investigation that accurately reveals the numbe... This was a cross-sectional descriptive study conducted on 49 adult patients with maxillofacial injuries undergoing multislice CT using a multidetector SiemensSOMATOM Emotion eco 16 slice CT scanner (S... The maximum number of cases was in the age group of 21-30 years with the male: female ratio being 5.12:1. The most common cause of injury was road traffic accidents (RTA). Mandible fractures were foun... Multidetector CT with multiplanar and 3D reformation is highly accurate in the identification of fractures and assessing the extent and degree of displacement of fractures; hence, it is the imaging mo...

Postoperative computed tomography imaging of pediatric patients with craniosynostosis: radiation dose and image quality comparison between multi-slice computed tomography and O-arm cone-beam computed tomography.

When postoperative multi-slice computed tomography (MSCT) imaging of patients with craniosynostosis is used, it is usually performed a few days after surgery in a radiology department. This requires a... This single-center retrospective study compared radiation dose and image quality of postoperative imaging performed using conventional MSCT scanners and O-arm CBCT.... A total of 104 pediatric syndromic and non-syndromic patients who were operated on because of single- or multiple-suture craniosynostosis were included in this study. The mean volumetric CT dose index... CBCT resulted in significantly lower CTDI... The O-arm device allowed for an immediate postoperative CBCT examination in the operating theater using the same anesthesia induction. Radiation exposure was lower in CBCT compared to MSCT scans, thus...

Comparative Evaluation of Multidetector Computed Tomography and Dual-Energy Computed Tomography Findings in Gastrointestinal Tuberculosis.

To compare multidetector computed tomography (MDCT) and dual-energy computed tomography (DECT) imaging findings in gastrointestinal (GI) tuberculosis.... To study imaging findings of MDCT and DECT in GI tuberculosis.... All the patients falling in the sampling frame and fulfilling the eligibility criteria were clinically examined and demographic details, presenting complaints, medical history, history of anti-tubercu... The findings of the study showed that both MDCT, as well as DECT, were useful in the diagnosis of GI tuberculosis. On the basis of these findings, DECT could be considered to have an edge over MDCT in...

Multidetector computed tomography evaluation of normal thymus and variations with age.

Thymus is a T-cell-producing lymphoid organ that appears prominent in the paediatric population and involutes in size with ageing. The gland shows a wide variety of appearances across different age gr... This is a retrospective study done after taking approval from the Institutional Ethics Committee. Patients undergone CT scans of the thorax were identified from our database. All evaluations were done... Four hundred and fifty patients were included, 262 (58.2%) were male. Mean age was 33.6 ± 17.1 years, range (3 months-80 years). The size of thymus was observed to decrease with increasing age. The me... Even normal thymus can show varied appearance on CT which changes with the age of the patient being imaged. A comparison with normative data could help differentiate normal from abnormal glands to avo...