Titre : Tomodensitométrie multidétecteurs

Tomodensitométrie multidétecteurs : Questions médicales fréquentes

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peuvent nécessiter une TDM ?", "url": "https://questionsmedicales.fr/mesh/D061330?page=654#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?page=654#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?page=654#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?page=654#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?page=654#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)

Cardiac adipose tissue volume assessed by computed tomography is a specific and independent predictor of early mortality and critical illness in COVID-19 in type 2-diabetic patients.

Patients with type 2-diabetes mellitus (T2D), are characterized by visceral and ectopic adipose tissue expansion, leading to systemic chronic low-grade inflammation. As visceral adiposity is associate... Two hundred and two patients admitted for COVID-19 were retrospectively included between February and June 2020 and distributed in two groups: T2D or non-diabetic controls. Chest CT with cardiac (CATi... One hundred and eight controls [median age: 76(IQR:59-83), 61% male, median BMI: 24(22-27)] and ninety-four T2D patients [median age: 70(IQR:61-77), 70% male, median BMI: 27(24-31)], were enrolled in ... Cardiac adipose tissue volume measured in CT at admission was independently predictive of early intensive care or death in T2D patients with COVID-19 but not in non-diabetics. Such automated CT measur...

Do All Pediatric Femoral Shaft Fractures Need a Computed Tomography Scan of the Ipsilateral Femoral Neck? Calculating the Incidence of Concomitant Femoral Neck and Shaft Fractures.

In adults, the incidence of ipsilateral femoral neck fractures in the setting of femoral shaft fractures is reported to be as high as 9%; however, scant literature exists on the same clinical scenario... The Pediatric Health Information System database was queried for patients aged 18 years or younger who were treated for a femoral neck, femoral shaft, and pertrochanteric femur fractures through an em... A total of 90,146 records were identified from a cohort of 55,733,855 (0.16%). Distal femur fractures, pathologic fractures, and periprosthetic fractures were excluded, resulting in 65,651 unique case... The incidence of ipsilateral femoral neck or pertrochanteric femur fractures in the setting of a femoral shaft fracture is 82.3 per 10,000 patients (0.82%) based on data from Pediatric Health Informat... Level IV; cross-sectional analysis....

Performance of 1-mm non-gated low-dose chest computed tomography using deep learning-based noise reduction for coronary artery calcium scoring.

To investigate performance of 1-mm, sharp kernel, low-dose chest computed tomography (LDCT) for coronary artery calcium scoring (CACS) using deep learning (DL)-based denoising technique.... This retrospective, intra-individual comparative study consisted of four image datasets of 131 participants who underwent LDCT and calcium CT on the same day between January and February 2020; 1-mm LD... Mean CACS was 104.8 ± 249.1 and proportion of positive CACS was 45% (59/131). CACS from LDCT images tended to be underestimated than those from calcium CT: 1-mm LDCT with DL (93.5 ± 249.6, p = 0.002),... DL-based noise reduction algorithm can offer reliable calcium scores in 1-mm LDCT reconstructed with sharp kernel.... • Deep learning (DL)-based noise reduction enables calcium scoring at 1-mm, sharp kernel reconstructed low-dose chest CT (LDCT). • Both iterative reconstruction and DL-based noise reduction underestim...

Osteointegration of PLLA/β-TCP Biocomposite Anchors Used in Coracoid Transfer Procedures for Shoulder Instability: Quantitative Computed Tomography With a Minimum 2-Year Follow-up.

Biocomposite anchors have been a popular choice for use in coracoid transfer procedures for shoulder instability and are hypothesized to allow bone ingrowth.... To quantitatively evaluate the osteointegration of 85% PLLA/15% β-TCP biocomposite anchors used in the coracoid transfer procedure for shoulder instability.... Case series; Level of evidence, 4.... We performed a retrospective case series of abstracted data from the records of 74 patients who underwent coracoid transfer procedures with biocomposite anchors. Computed tomography was performed at 2... Included were 74 patients (58 male, 16 female), involving 76 shoulders and 124 biocomposite anchors. At ≥24-month follow-up, 72 of 124 (58.06%) anchor tunnels were classified as QOQS type 1, including... Among 124 anchor tunnels, 95.16% showed ossification, 58.06% were completely or nearly completely ossified, and 3 were enlarged. The HU value of the anchor tunnel increased over time....

Comparative effectiveness of initial computed tomography and invasive coronary angiography in women and men with stable chest pain and suspected coronary artery disease: multicentre randomised trial.

To assess the comparative effectiveness of computed tomography and invasive coronary angiography in women and men with stable chest pain suspected to be caused by coronary artery disease.... Prospective, multicentre, randomised pragmatic trial.... Hospitals at 26 sites in 16 European countries.... 2002 (56.2%) women and 1559 (43.8%) men (total of 3561 patients) with suspected coronary artery disease referred for invasive coronary angiography on the basis of stable chest pain and a pre-test prob... Both women and men were randomised 1:1 (with stratification by gender and centre) to a strategy of either computed tomography or invasive coronary angiography as the initial diagnostic test (1019 and ... The primary endpoint was major adverse cardiovascular events (MACE; cardiovascular death, non-fatal myocardial infarction, or non-fatal stroke). Key secondary endpoints were an expanded MACE composite... Follow-up at a median of 3.5 years was available in 98.9% (1979/2002) of women and in 99.0% (1544/1559) of men. No statistically significant gender interaction was found for MACE (P=0.29), the expande... This study found no evidence for a difference between women and men in the benefit of using computed tomography rather than invasive coronary angiography as the initial diagnostic test for the managem... NCT02400229ClinicalTrials.gov NCT02400229....

Comparison of Intracranial and Extracranial Carotid Artery Calcifications between Obstructive Sleep Apnea Patients and Healthy Individuals: A Combined Cone-Beam Computed Tomography and Polysomnographic Study.

This study aimed to compare the presence and grades of intra- and extracranial carotid artery calcifications between obstructive sleep apnea (OSA) and non-OSA patients.... CBCT records of 190 patients (95 OSA patients and 95 non-OSA patients) were retrospectively collected and analyzed. Patient demographic data, including age and gender for both study groups and body ma... There was a significant difference in carotid artery calcifications between OSA patients and healthy individuals. A total of 56.8% of the OSA patients showed at least one carotid artery calcification,... In conclusion, OSA patients showed a higher prevalence of calcified carotid artery calcifications than healthy individuals. The results can be interpreted as the higher AHI, the more carotid artery ca...

Rates of Positive Abdominal Computed Tomography and Bone Scan Findings Among Men with Cambridge Prognostic Group 4 or 5 prostate cancer: A Nationwide Registry Study.

European and American guidelines recommend abdominal computed tomography (CT) and bone scans for staging of high-risk prostate cancer (PC). To improve clinical risk stratification of nonmetastatic PC ... Our analysis of data from the National Prostate Cancer Register of Sweden showed that for men with favourable high-risk prostate cancer (Cambridge Prognostic Group 4), the rate of positive computed to...