Titre : Tomodensitométrie multidétecteurs

Tomodensitométrie multidétecteurs : Questions médicales fréquentes

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"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", 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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)

Imaging features of marginal ulcers on multidetector CT.

To assess the inter-reader agreement and frequency of various imaging findings of marginal ulcers on computed tomography (CT) in a series of patients with endoscopically or surgically confirmed margin... This was a institutional review board-approved retrospective analysis involving a single academic institution. Eighty patients with a gastro-enteric anastomosis with confirmed marginal ulcer on endosc... Findings of perforation had moderate to substantial agreement, including the presence of extraluminal air, extraluminal fluid, and leakage of oral contrast medium (kappa 0.83 [0.61, 1.05], 0.57 [0.35,... Signs of perforation have high inter-reader agreement but occur relatively infrequently. Fat stranding, wall thickening, and contour abnormalities are much more common; however, only fat stranding had...

Genotoxic and Cytotoxic Effects of Cone Beam Computed Tomography and Multidetector Computed Tomography on Exfoliated Buccal Epithelial Cells.

Cone beam computed tomography (CBCT) and multidetector computed tomography (MDCT) are frequently used in dental and maxillofacial problems. This study aimed to assess the genotoxicity and cytotoxicity... This prospective experimental study was conducted at Babol University of Medical Sciences (Babol, Iran) from March 2021 to April 2021. Buccal mucosa smears were collected bilaterally pre-exposure and ... The current study included 60 adult patients (30 patients in each group), ranging in age from 21 to 50 years. The micronuclei and the other cytotoxic cellular changes increased significantly after CBC... Dental examinations with CBCT and MDCT can increase cytotoxicity and chromosomal damage in both men and women. Due to its lower radiation toxicities, CBCT can be recommended as an alternative to MDCT ...

A morphological study of the inferior phrenic arteries on multidetector computed tomography and angiography.

The inferior phrenic artery is a paired artery with a variable origin and course, primarily supplying the diaphragm, but also the suprarenal glands, inferior vena cava, stomach, and oesophagus. The ai... The anatomy of the inferior phrenic artery was analysed on 2449 multidetector computed tomography scans. Three-dimensional reconstructions were made of the main variations. Additionally, the course an... In 565 (23.1%) cases the inferior phrenic arteries arose as a common trunk and in 1884 (76.9%) cases as individual vessels. The most common origins of a common trunk were the coeliac trunk (n=303; 53.... The inferior phrenic artery has a very variable anatomy. The most common origins of the inferior phrenic artery are the coeliac trunk and its branches, the abdominal aorta, and the renal arteries....

Reliability assessment of craniofacial and airway measurements: a comparative study between multidetector computed tomography and cone-beam computed tomography.

To compare the intra- and inter-examiner reliability of multidetector computed tomography (MDCT) and cone-beam computed tomography (CBCT) using Amira and Dolphin software analyses for craniofacial/air... Five adults and one dry skull with CBCT and MDCT scan files were duplicated and randomly numbered. Six orthodontic residents imported these files into two software programs, oriented the images, set t... Variables including anterior nasal width, posterior nasal width, frontomaxillary suture right-to-left, inner nasal contour point right-to-left, and minimum cross-sectional area in the oropharynx showe... Unreliable skeletal measurements and low reliability of Dolphin for airway analysis discourage using CT to quantitatively correlate changes in craniofacial structures with airway dimensions....

Morphometric analysis of sphenopalatine foramen on computed tomography images with clinical significance.

This study aimed to investigate the effect of anatomical variations in the sphenopalatine foramen and the lateral nasal wall on sphenopalatine foramen-related morphometric measurements.... Paranasal sinus multidetector computed tomography records of 153 patients were evaluated. Morphometric measurements were made between the fixed bony landmarks and the sphenopalatine foramen. Number, s... No significant difference was detected with respect to laterality, whereas most of the measured distances were higher in males than females. There was a significant difference between the obtained mor... This study revealed a significant relationship between the morphometric measurements of the sphenopalatine foramen and concha bullosa, while septum deviation types did not affect these results. For a ...

Radiation exposure in cardiac computed tomography imaging in Mie prefecture in 2021.

Several effective radiation dose reduction methods have been developed for coronary computed tomography angiography (CTA); however, their use in daily clinical practice remains unknown. We aimed to in... Image acquisition details and dose reports of 30 consecutive cardiac CT examinations performed in 2021 were obtained from 18 hospitals. The inclusion criteria were patients aged 20-80 years who weighe... The median DLP of cardiac CT was 774 (interquartile range [IQR]: 538-1119) mGy*cm, and the median CTDIvol of coronary CTA was 33 (IQR: 25-48) mGy. The 75th percentile values of DLP for cardiac CT and ... As of 2021, low tube potential and prospective scanning are underutilized, whereas iterative reconstruction is used in every coronary CTA in Mie Prefecture. Further efforts to optimize the radiation e...