Titre : Science des ultrasons

Science des ultrasons : Questions médicales fréquentes

Termes MeSH sélectionnés :

Early Detection of Cancer
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"inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Science des ultrasons", "description": "Comment les ultrasons sont-ils utilisés en diagnostic ?\nQuels types d'examens utilisent les ultrasons ?\nLes ultrasons peuvent-ils détecter des tumeurs ?\nLes ultrasons sont-ils sûrs pour les femmes enceintes ?\nPeut-on utiliser les ultrasons pour évaluer le cœur ?", "url": "https://questionsmedicales.fr/mesh/D014465?mesh_terms=Early+Detection+of+Cancer&page=1000#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Science des ultrasons", "description": "Quels symptômes peuvent nécessiter un examen par ultrasons ?\nLes ultrasons peuvent-ils aider à diagnostiquer des infections ?\nQuels signes indiquent une échographie abdominale ?\nLes ultrasons peuvent-ils détecter des anomalies vasculaires ?\nQuels symptômes cardiaques peuvent nécessiter une échocardiographie ?", "url": 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?\nPeut-on utiliser les ultrasons pour traiter des douleurs articulaires ?\nLes ultrasons sont-ils efficaces pour traiter les tumeurs ?", "url": "https://questionsmedicales.fr/mesh/D014465?mesh_terms=Early+Detection+of+Cancer&page=1000#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Science des ultrasons", "description": "Quelles complications peuvent survenir avec les ultrasons ?\nLes ultrasons peuvent-ils causer des douleurs ?\nY a-t-il des risques liés à l'échographie pendant la grossesse ?\nLes ultrasons peuvent-ils endommager les tissus ?\nQuelles sont les complications possibles de la lithotripsie par ultrasons ?", "url": "https://questionsmedicales.fr/mesh/D014465?mesh_terms=Early+Detection+of+Cancer&page=1000#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Science des ultrasons", "description": "Quels facteurs augmentent le besoin d'échographies ?\nLes personnes âgées ont-elles besoin de plus d'échographies ?\nLes antécédents de cancer augmentent-ils le besoin d'échographies ?\nLes femmes enceintes à risque ont-elles besoin d'échographies fréquentes ?\nLes personnes avec des maladies cardiovasculaires doivent-elles faire des échographies ?", "url": "https://questionsmedicales.fr/mesh/D014465?mesh_terms=Early+Detection+of+Cancer&page=1000#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment les ultrasons sont-ils utilisés en diagnostic ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Les ultrasons permettent de visualiser les organes internes et détecter des anomalies." } }, { "@type": "Question", "name": "Quels types d'examens utilisent les ultrasons ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les échographies abdominales, cardiaques et obstétricales sont courantes." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils détecter des tumeurs ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils aident à localiser et évaluer la taille des tumeurs dans divers organes." } }, { "@type": "Question", "name": "Les ultrasons sont-ils sûrs pour les femmes enceintes ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les ultrasons sont considérés comme sûrs et non invasifs pendant la grossesse." } }, { "@type": "Question", "name": "Peut-on utiliser les ultrasons pour évaluer le cœur ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'échocardiographie utilise des ultrasons pour examiner la fonction cardiaque." } }, { "@type": "Question", "name": "Quels symptômes peuvent nécessiter un examen par ultrasons ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs abdominales, des masses palpables ou des anomalies détectées à l'examen." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils aider à diagnostiquer des infections ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent montrer des abcès ou des inflammations dans les tissus." } }, { "@type": "Question", "name": "Quels signes indiquent une échographie abdominale ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme des nausées, vomissements ou jaunisse peuvent le justifier." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils détecter des anomalies vasculaires ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'échographie Doppler évalue la circulation sanguine et les anomalies vasculaires." } }, { "@type": "Question", "name": "Quels symptômes cardiaques peuvent nécessiter une échocardiographie ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des palpitations, essoufflement ou douleurs thoraciques peuvent justifier cet examen." } }, { "@type": "Question", "name": "Comment les ultrasons aident-ils à la prévention des maladies ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Ils permettent un dépistage précoce des maladies, comme les cancers ou les maladies cardiaques." } }, { "@type": "Question", "name": "Les échographies peuvent-elles prévenir des complications pendant la grossesse ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles surveillent le développement du fœtus et détectent des anomalies précoces." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils aider à prévenir les maladies cardiovasculaires ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils évaluent les risques et détectent les problèmes cardiaques avant qu'ils ne s'aggravent." } }, { "@type": "Question", "name": "Comment les ultrasons contribuent-ils à la santé des femmes ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Ils permettent de surveiller la santé reproductive et de détecter des anomalies gynécologiques." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils aider à prévenir des infections ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent détecter des abcès ou des inflammations avant qu'elles ne s'aggravent." } }, { "@type": "Question", "name": "Les ultrasons sont-ils utilisés en thérapie ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils sont utilisés pour traiter des douleurs, des lésions et des calculs rénaux." } }, { "@type": "Question", "name": "Comment les ultrasons aident-ils à traiter les calculs rénaux ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "La lithotripsie par ultrasons brise les calculs en petits morceaux pour faciliter l'élimination." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils aider à la cicatrisation des blessures ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils stimulent la circulation sanguine et favorisent la régénération des tissus." } }, { "@type": "Question", "name": "Peut-on utiliser les ultrasons pour traiter des douleurs articulaires ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la thérapie par ultrasons peut réduire la douleur et l'inflammation dans les articulations." } }, { "@type": "Question", "name": "Les ultrasons sont-ils efficaces pour traiter les tumeurs ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent être utilisés pour détruire certaines tumeurs par ablation ciblée." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec les ultrasons ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications sont rares, mais peuvent inclure des réactions allergiques aux gels utilisés." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils causer des douleurs ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Généralement non, mais une pression excessive peut provoquer un léger inconfort." } }, { "@type": "Question", "name": "Y a-t-il des risques liés à l'échographie pendant la grossesse ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Les échographies sont considérées comme sûres, mais doivent être effectuées par des professionnels." } }, { "@type": "Question", "name": "Les ultrasons peuvent-ils endommager les tissus ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "À des niveaux normaux, ils ne causent pas de dommages, mais une exposition excessive est à éviter." } }, { "@type": "Question", "name": "Quelles sont les complications possibles de la lithotripsie par ultrasons ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Des saignements ou des infections peuvent survenir après le traitement des calculs rénaux." } }, { "@type": "Question", "name": "Quels facteurs augmentent le besoin d'échographies ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Antécédents familiaux de maladies, symptômes persistants ou grossesse à risque." } }, { "@type": "Question", "name": "Les personnes âgées ont-elles besoin de plus d'échographies ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles sont plus susceptibles de développer des maladies nécessitant un suivi par ultrasons." } }, { "@type": "Question", "name": "Les antécédents de cancer augmentent-ils le besoin d'échographies ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un suivi régulier par ultrasons est souvent recommandé pour détecter des récidives." } }, { "@type": "Question", "name": "Les femmes enceintes à risque ont-elles besoin d'échographies fréquentes ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles nécessitent un suivi plus étroit pour surveiller le développement du fœtus." } }, { "@type": "Question", "name": "Les personnes avec des maladies cardiovasculaires doivent-elles faire des échographies ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent nécessiter des échographies régulières pour surveiller leur état cardiaque." } } ] } ] }

Sources (10000 au total)

Initial Experience With Trans-anal Minimally Invasive Surgery (TAMIS) for Rectal Polyps and Early Colorectal Cancers at Cumberland Infirmary, Carlisle.

Bowel cancer is the fourth most common type of cancer in the United Kingdom in 2019. Total mesorectal excision is the standard procedure for the removal of rectal tumors, however, it comes with seriou... During a five-year period, 42 patients underwent TAMIS at Cumberland Infirmary. The primary indication for TAMIS was distal rectal lesions, large rectal polyps up to 120 mm, and early rectal cancer (T... Our findings suggest that TAMIS produces positive results. The size of the lesions removed, and the effect of an early learning curve are reflected in the rate of specimen fragmentation and polyp recu...

Ultrasound contrast-enhanced patterns of sentinel lymph nodes: predictive value for nodal status and metastatic burden in early breast cancer.

In the post-Z0011 era, sentinel lymph node (SLN) status and metastatic burden determine whether axillary management entails conservative sentinel lymph node biopsy (SLNB) or radical axillary lymph nod... A retrospective study was conducted on 88 consecutive patients who were diagnosed with clinical T1-2N0 breast cancer between December 2020 and November 2021 at the Lanzhou University Second Hospital a... CEUS successfully identified at least 1 SLN in 88 patients, with a total of 118 SLNs identified in the entire cohort. Univariate analysis showed that lesion size, blood flow grade, SLN longitudinal di... The contrast-enhanced pattern of the SLN is an independent risk factor for SLN status. Patients presenting with a type I or type II SLN enhanced pattern are unlikely to have high-burden metastases det...

Uniportal robotic-assisted thoracoscopic surgery for early-stage lung cancer with the Da Vinci Xi: Initial experience of two cases.

Minimally invasive surgery (MIS) techniques, currently considered the gold standard in the treatment of early-stage non-small cell lung cancer (NSCLC), are mainly represented by video-assisted thoraco... U-RATS was conducted through a single 4 cm long antero-lateral mini-thoracotomy (ALMT) in the sixth intercostal space at the mid-axillary line. Three 8 mm robotic trocars were positioned and connected... Case 1: an 82-year-old woman (American Society of Anaesthesiologists [ASA III]) underwent a left S6 segmentectomy for a clinical stage IA2 NSCLC, complicated by an air leak that resolved spontaneously... From what emerged in our small series, U-RATS with the Da Vinci Xi surgical system might be considered a safe, reliable, and effective alternative to other MIS techniques. Larger prospective studies a...

Pathological and oncological outcomes of pylorus-preserving versus conventional distal gastrectomy in early gastric cancer: a systematic review and meta-analysis.

Pylorus-preserving gastrectomy (PPG) is a function-preserving surgery for the treatment of early gastric cancer (EGC) in the middle third of the stomach. According to the literature reports, PPG decre... The protocol was registered in PROSPERO under number CRD42022304677. Databases including PubMed, Embase, Web of Science, and the Cochrane Register of Controlled Trials were searched before February 21... A total of 4500 patients from 16 studies were included. Compared with the CDG group, the PPG group had fewer lymph nodes harvested (WMD= -3.09; 95% CI -4.75 to -1.43; P < 0.001). Differences in the nu... The meta-analysis of existing evidence demonstrated that the survival outcomes of PPG may be comparable to those of CDG. However, fewer lymph nodes at stations in No. 5, No. 6, No. 9, and No. 11p were...

Ornithine aminotransferase and carbamoyl phosphate synthetase 1 involved in ammonia metabolism serve as novel targets for early stages of gastric cancer.

The sensitivity and specificity of current biomarkers for gastric cancer were insufficient. The aim of the present study was to screen novel biomarkers and determine the diagnostic values of ornithine... With stable isotope tags, we labelled an initial discovery group of four paired gastric cancer tissue samples and identified with LC-ESI-MS/MS. A validation group of 159 gastric cancer samples and 30 ... Four hundred and thirty one proteins were found differentially expressed in gastric cancer tissues. Of these proteins, OAT and CPS1 were found over-expressed in gastric cancer patients, with sensitivi... The present findings indicated a tight correlation between the co-expression of OAT and CPS1 and the histological grade, local invasion, and TNM stages of gastric cancer. Therefore, OAT and CPS1 might...

Patient characteristics and health system factors associated with adjuvant radiation therapy receipt in older women with early-stage endometrial cancer.

Among women with early-stage endometrial cancer (EC), age, stage, grade, and histology are used to determine fitness for adjuvant radiation therapy (RT) administration. We examined non-cancer factors ... Using data from the Surveillance Epidemiology and End Results cancer registry program linked with Medicare claims, we identified 25,654 women (aged ≥66 years) diagnosed with first primary stage I-II E... Adjuvant RT was less commonly administered to Asian American and Pacific Islander patients than non-Hispanic White patients (Prevalence ratio [PR], 0.84; 95% confidence interval [CI], 0.73 to 0.97). C... Findings suggest that various non-cancer factors affect the delivery of adjuvant RT to older women with early-stage EC in real-world oncology practice. Advancing our understanding of factors associate...

Hybrid-control arm construction using historical trial data for an early-phase, randomized controlled trial in metastatic colorectal cancer.

Treatment for metastatic colorectal cancer patients beyond the second line remains challenging, highlighting the need for early phase trials of combination therapies for patients who had disease progr... MORPHEUS-CRC is an umbrella, multicenter, open-label, phase Ib/II, randomized, controlled trial (NCT03555149), with active experimental arms ongoing. Patients enrolled were assigned to a control arm (... The experimental arm showed no efficacy signal, yet a well-tolerated safety profile in the MORPHEUS-CRC trial. Treatment effects estimated in hybrid control design were comparable to those in the MORP... Hybrid control provides comparable treatment-effect estimates with generally improved precision, and thus can be of value to inform early-phase clinical development in metastatic colorectal cancer....

Construction and validation of N6-methyladenosine long non-coding RNAs signature of prognostic value for early biochemical recurrence of prostate cancer.

Early biochemical recurrence (eBCR) indicated a high risk for potential recurrence and metastasis in prostate cancer. The N6-methyladenosine (m6A) methylation modification played an important role in ... Pearson correlation analysis was first conducted to explore m6A lncRNAs and univariate Cox regression analysis was further performed to identify m6A lncRNAs of prognostic roles for predicting eBCR in ... Five hundred and thirty-eighth m6A lncRNAs were searched out through Pearson correlation analysis and 25 out of 538 m6A lncRNAs were identified to pose prediction roles for eBCR in prostate cancers. A... The m6A lncRNA signature in this study could be utilized to efficiently predict eBCR occurrence, various clinical characteristic and immune microenvironment for prostate cancer....