Titre : Tomodensitométrie multidétecteurs

Tomodensitométrie multidétecteurs : Questions médicales fréquentes

Termes MeSH sélectionnés :

Bone Density
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"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)

Bone Mineral Density and the Risk of Parkinson's Disease in Postmenopausal Women.

Whether bone mineral density (BMD) is related to the risk of Parkinson's disease (PD) is unclear.... The objective of this study was to examine the association between BMD status and incident PD in postmenopausal women.... We retrospectively examined a nationwide cohort of 272,604 women aged 66 years who participated in the 2009-2012 Korean national health screening for transitional ages. BMD was evaluated using dual-en... During the median follow-up of 7.7 years, 2,884 (1.1%) incident PD cases developed. After adjusting for confounding factors, lower BMD was associated with an increased risk of PD (P for trend <0.001).... Lower postmenopausal BMD and osteoporosis were associated with an increased risk of PD. In addition, this association could be mitigated using AOMs. Proper management of BMD in postmenopausal women ma...

Dietary inflammatory index and bone mineral density in Mexican population.

Dietary inflammatory index has been associated with bone loss. In this longitudinal study, we reported that changes in dietary inflammatory index were associated with a reduction in bone mineral densi... Previous studies have suggested that an inflammatory environment can affect bone mineral density (BMD). However, most of the studies have been done in postmenopausal women. Thus, longitudinal studies ... A total of 1,486 participants of the Health Workers Cohort Study were included in this study. The DII was estimated with data retrieved through a semi-quantitative food frequency questionnaire. Total ... We did not observe cross-sectional associations between DII and the different BMD sites at baseline. In contrast, women and men ≥ 45 years in the 25th quartile of changes in DII were associated with a... Our data suggest that changes in the DII score are associated with changes in total hip and femoral neck BMD among Mexican population....

Normal bone density but altered geometry in girls with Turner syndrome.

Data on bone density and stability in Turner syndrome (TS) are contradictory. A confounding factor for interpretation is short stature. The aim was to measure bone density, geometry and stability in g... From 1999 to 2008, 59 girls with TS (35 prepubertal) were evaluated by pQCT. Mean age was 8.9 in prepubertal and 17.3 years in adolescent girls. Mean height was -3.1 and -1.8 SDS in prepubertal treatm... In prepubertal girls with TS, TD and CD were normal (0.55 and 0.90 SDS) and comparable to ISS (0.95 and 1.53 SDS). TBA was greater in girls with TS than in ISS (0.87 vs. -0.33 SDS) whereas CA was simi... The observations are consistent with normal bone density and stability but altered bone geometry in prepubertal and substituted adolescent girls with TS. This peculiarity may reflect SHOX deficiency. ...

Prevalence of bone complications in young patients with sickle cell disease presenting low bone mineral density.

Bone fragility in sickle cell disease (SCD) has been previously reported even in young patients, but the clinical consequences and specific management remain unclear. The objective of this study was t... We conducted a single-center cross-sectional study. Bone mineral densitometry (BMD) at the lumbar spine and the hip, Vertebral Fracture Assessment (VFA) and biological measurements were performed in p... One hundred and thirty-eight patients with sickle cell disease were included between June 2020 and December 2021. One hundred and one patients (73.2 %) were from Sub-Saharan Africa, 13 from North Afri... Young patients with SCD commonly have low BMD at the lumbar spine, but the prevalence of fragility fracture was low. Low BMD - specifically at the spine - may not be tantamount to bone fragility....

Fracture in Patients with Normal Bone Mineral Density: An Evaluation of the American Orthopaedic Association's Own the Bone Registry.

Fractures often occur in patients with normal dual x-ray absorptiometry (DXA)-measured bone mineral density (BMD). DXA does not consider clinical fracture risk factors or bone quality. We hypothesized... A total of 7,219 patients who were ≥50 years of age, had sustained a fracture from July 2016 to July 2021, and had DXA data in the American Orthopaedic Association's Own the Bone (AOA OTB) registry we... The mean patient age (and standard deviation) was 70.8 ± 9.71 years, 84% of patients were female, and 92% of patients were Caucasian. Normal BMD was present in 8.6% of patients. The index fracture was... Most patients with a fracture and normal BMD met indications, including a prior fracture or elevated FRAX risk, for anti-osteoporotic therapies. Most patients were Caucasian and therefore potentially ... Prognostic Level III . See Instructions for Authors for a complete description of levels of evidence....

Relationships between sclerostin and morphometric vertebral fractures, bone mineral density, and bone microarchitecture in postmenopausal women.

Higher sclerostin levels in postmenopausal women are associated with improved bone microarchitecture, areal and volumetric bone mineral density, and bone strength. However, the serum sclerostin level ... We aim to investigate the associations between serum sclerostin levels and morphometric vertebral fractures (VFs) prevalence, bone mineral density (BMD), and bone microarchitecture in postmenopausal w... A total of 274 community-dwelling postmenopausal women were randomized enrolled. We collected general information and measured the serum sclerostin level. Morphometric VFs were assessed on the lateral... The prevalence of morphometric VFs was 18.6% in the cohort, and it was significantly higher in the lowest quartile of the sclerostin group than that in the highest quartile of the sclerostin group (27... Chinese postmenopausal women with higher serum sclerostin levels had a lower prevalence of morphometric VFs, higher BMDs, and better bone microarchitecture. Nevertheless, the serum sclerostin level ha...

Relationship between trabecular bone score, bone mineral density and vertebral fractures in patients with axial spondyloarthritis.

In patients with axial spondyloarthritis, vertebral fracture risk is elevated and not always correlated with bone mineral density (BMD). Trabecular bone score (TBS) may offer some advantages in the as... A cross-sectional study was conducted. Data were collected on demographic and clinical characteristics, lab results, imaging findings and treatment. Statistical analysis was performed using SPSS v.13 ... Eighty-four patients (60 men and 24 women; mean age of 59 years) were included. Nearly half (47.6%) of them had lumbar syndesmophytes. The rate of morphometric fracture was 11.9%. TBS showed a higher ... We identified decreased TBS and total hip BMD, as well as increased erythrocyte sedimentation rate and C-reactive protein levels as factors associated with morphometric vertebral fractures. Unlike lum...