Titre : Chromatides

Chromatides : Questions médicales fréquentes

Termes MeSH sélectionnés :

Sensitivity and Specificity
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"datePublished": "2025-05-10", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Chromatides", "description": "Comment identifier les chromatides lors de la mitose ?\nQuels tests révèlent des anomalies des chromatides ?\nLes chromatides peuvent-elles être analysées par PCR ?\nQuel rôle joue l'immunofluorescence dans l'étude des chromatides ?\nPeut-on observer les chromatides en microscopie électronique ?", "url": "https://questionsmedicales.fr/mesh/D002842?mesh_terms=Sensitivity+and+Specificity&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Chromatides", "description": "Quels symptômes indiquent des anomalies chromosomiques ?\nLes anomalies des chromatides causent-elles des maladies ?\nComment les anomalies des chromatides affectent-elles la santé ?\nLes symptômes des troubles chromosomiques sont-ils visibles à la naissance ?\nLes troubles des chromatides 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traitements sont-ils disponibles pour le syndrome de Turner ?\nPeut-on corriger les anomalies chromosomiques par chirurgie ?\nLes thérapies géniques sont-elles efficaces contre les anomalies chromosomiques ?", "url": "https://questionsmedicales.fr/mesh/D002842?mesh_terms=Sensitivity+and+Specificity&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Chromatides", "description": "Quelles complications peuvent résulter d'anomalies chromosomiques ?\nLes anomalies des chromatides peuvent-elles entraîner des complications à long terme ?\nComment les anomalies chromosomiques affectent-elles la santé mentale ?\nLes complications des anomalies chromosomiques sont-elles réversibles ?\nLes anomalies chromosomiques augmentent-elles le risque de maladies auto-immunes ?", "url": "https://questionsmedicales.fr/mesh/D002842?mesh_terms=Sensitivity+and+Specificity&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Chromatides", "description": "Quels facteurs augmentent le risque d'anomalies chromosomiques ?\nLes infections pendant la grossesse augmentent-elles les risques chromosomiques ?\nL'exposition aux radiations influence-t-elle les anomalies chromosomiques ?\nLe tabagisme maternel est-il un facteur de risque ?\nLes facteurs génétiques jouent-ils un rôle dans les anomalies chromosomiques ?", "url": "https://questionsmedicales.fr/mesh/D002842?mesh_terms=Sensitivity+and+Specificity&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment identifier les chromatides lors de la mitose ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Les chromatides sont visibles sous un microscope lors de la métaphase de la mitose." } }, { "@type": "Question", "name": "Quels tests révèlent des anomalies des chromatides ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les analyses cytogénétiques, comme le caryotype, peuvent détecter des anomalies." } }, { "@type": "Question", "name": "Les chromatides peuvent-elles être analysées par PCR ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la PCR peut être utilisée pour analyser des segments spécifiques des chromatides." } }, { "@type": "Question", "name": "Quel rôle joue l'immunofluorescence dans l'étude des chromatides ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'immunofluorescence permet de visualiser des protéines spécifiques sur les chromatides." } }, { "@type": "Question", "name": "Peut-on observer les chromatides en microscopie électronique ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la microscopie électronique offre une résolution élevée pour observer les chromatides." } }, { "@type": "Question", "name": "Quels symptômes indiquent des anomalies chromosomiques ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des anomalies chromosomiques peuvent entraîner des malformations congénitales ou des troubles du développement." } }, { "@type": "Question", "name": "Les anomalies des chromatides causent-elles des maladies ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des anomalies peuvent être liées à des maladies comme le syndrome de Down." } }, { "@type": "Question", "name": "Comment les anomalies des chromatides affectent-elles la santé ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent entraîner des cancers ou des troubles génétiques héréditaires." } }, { "@type": "Question", "name": "Les symptômes des troubles chromosomiques sont-ils visibles à la naissance ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Certains symptômes peuvent être visibles à la naissance, comme des traits faciaux caractéristiques." } }, { "@type": "Question", "name": "Les troubles des chromatides peuvent-ils affecter la fertilité ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des anomalies chromosomiques peuvent entraîner des problèmes de fertilité." } }, { "@type": "Question", "name": "Peut-on prévenir les anomalies chromosomiques ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Certaines anomalies peuvent être évitées par des conseils génétiques et un suivi prénatal." } }, { "@type": "Question", "name": "Quel rôle joue l'alimentation dans la prévention des anomalies chromosomiques ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée et riche en acide folique peut réduire le risque d'anomalies." } }, { "@type": "Question", "name": "Les tests génétiques peuvent-ils aider à prévenir des anomalies ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les tests génétiques permettent d'identifier les risques d'anomalies chromosomiques." } }, { "@type": "Question", "name": "La vaccination peut-elle prévenir des anomalies chromosomiques ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Certaines vaccinations peuvent prévenir des infections qui pourraient affecter le développement fœtal." } }, { "@type": "Question", "name": "Le suivi médical régulier aide-t-il à prévenir les anomalies chromosomiques ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un suivi médical régulier peut aider à détecter et gérer les risques d'anomalies." } }, { "@type": "Question", "name": "Quels traitements existent pour les anomalies chromosomiques ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements varient selon la condition, incluant thérapies géniques et interventions chirurgicales." } }, { "@type": "Question", "name": "La chimiothérapie est-elle utilisée pour traiter des anomalies des chromatides ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la chimiothérapie peut être utilisée pour traiter certains cancers liés à des anomalies chromosomiques." } }, { "@type": "Question", "name": "Les traitements sont-ils disponibles pour le syndrome de Turner ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des traitements hormonaux et des interventions médicales peuvent aider les patients." } }, { "@type": "Question", "name": "Peut-on corriger les anomalies chromosomiques par chirurgie ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Certaines anomalies peuvent être corrigées par chirurgie, selon leur nature et gravité." } }, { "@type": "Question", "name": "Les thérapies géniques sont-elles efficaces contre les anomalies chromosomiques ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Les thérapies géniques montrent un potentiel prometteur pour certaines anomalies chromosomiques." } }, { "@type": "Question", "name": "Quelles complications peuvent résulter d'anomalies chromosomiques ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des troubles du développement, des malformations et des cancers." } }, { "@type": "Question", "name": "Les anomalies des chromatides peuvent-elles entraîner des complications à long terme ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles peuvent causer des complications chroniques et affecter la qualité de vie." } }, { "@type": "Question", "name": "Comment les anomalies chromosomiques affectent-elles la santé mentale ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Elles peuvent entraîner des troubles mentaux ou des difficultés d'adaptation sociale." } }, { "@type": "Question", "name": "Les complications des anomalies chromosomiques sont-elles réversibles ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être gérées, mais beaucoup ne sont pas réversibles." } }, { "@type": "Question", "name": "Les anomalies chromosomiques augmentent-elles le risque de maladies auto-immunes ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines anomalies chromosomiques peuvent être associées à un risque accru de maladies auto-immunes." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'anomalies chromosomiques ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'âge maternel avancé, des antécédents familiaux et certaines expositions environnementales." } }, { "@type": "Question", "name": "Les infections pendant la grossesse augmentent-elles les risques chromosomiques ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines infections comme la rubéole peuvent augmenter le risque d'anomalies chromosomiques." } }, { "@type": "Question", "name": "L'exposition aux radiations influence-t-elle les anomalies chromosomiques ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exposition aux radiations peut augmenter le risque d'anomalies chromosomiques." } }, { "@type": "Question", "name": "Le tabagisme maternel est-il un facteur de risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme pendant la grossesse est associé à un risque accru d'anomalies chromosomiques." } }, { "@type": "Question", "name": "Les facteurs génétiques jouent-ils un rôle dans les anomalies chromosomiques ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des mutations génétiques héréditaires peuvent augmenter le risque d'anomalies chromosomiques." } } ] } ] }

Sources (10000 au total)

Sensitivity and Specificity of US and CT as Diagnostic Tools for Pediatric Lateral Neck Abscesses.

Ultrasound (US) and computed tomography (CT) are commonly used in the diagnosis of pediatric neck abscesses. The objective of this study is to determine the sensitivity and specificity of US and CT in... Retrospective review of pediatric patients admitted to a tertiary care center from January 1, 2011, to December 31, 2020, with neck abscesses.... Tertiary care center.... The sensitivity and specificity of US and CT were calculated by comparing imaging performed within 24 h of incision and drainage (I&D). Multiple regression was used to evaluate the association of clin... There were 171 patients included in this study, with a median age of 1.5 years (interquartile range [IQR]: 1-5 years). I&D was done in 156 patients (91.2%), while 15 (8.8%) were treated with antibioti... Neck US has a low sensitivity for diagnosing pediatric neck abscesses, when compared to CT, but remains a useful initial investigation given its high PPV. Clinicians should have a low threshold for pu... Level 4....

Sensitivity and specificity of microRNA-204, CA125, and CA19.9 as biomarkers for diagnosis of ovarian cancer.

Ovarian cancer is usually detected at later stages and no effective screening approach, has been identified. Therefore, sensitive and specific biomarkers for detecting ovarian cancer are urgently need... This study aimed to investigate the efficacy of six biomarkers for the early clinical diagnosis of ovarian cancer.... The study included 120 patients (benign ovarian tumors and early and late ovarian carcinoma) and 30 control healthy volunteers. MiRNA-204, CA125, CA19.9, hepcidin, microfibril-associated glycoprotein ... The combined area under the receiver operating characteristic curves for miRNA-204, CA125, and CA19.9 were 0.938, 1.000, and 0.998 for benign tumors and early and late ovarian carcinomas, respectively... The positive predictivity of miRNA-204, CA125, and CA19.9 for ovarian cancer is high (59.57%, 58.24%, and 61.67%, respectively). Thus, the combination of these three biomarkers is a good diagnostic to...

Parental sensitivity and specificity to recognize shunt malfunction in their child: a single-center prospective study.

The objective of this study was to estimate the diagnostic performance (sensitivity, specificity, positive predictive value, and negative predictive value) for recognizing ventriculoperitoneal shunt (... A prospective cohort study was conducted between 2021 and 2022 including all patients 0-18 years of age who had a VPS and attended the hospital's ER with symptoms that could correspond to VPS blockage... Ninety-one patients were surveyed, and 59.3% showed evidence of a confirmed VPS blockage. Parental sensitivity was 66.7%, with a specificity of 21.6%. An association was found between parents who coul... Parents who are more knowledgeable of their child's disease, as well as parents who have good communication with their neurosurgeon, were found to have better diagnostic sensitivity....

Comparison of different plaque indices with regard to sensitivity and specificity for the quantification of plaque during orthodontic therapy.

To compare four plaque indices used in orthodontics. An objective, quantitative plaque index and three subjective conventional plaque indices were analyzed. The study included n = 50 photographs of n ...

Sensitivity and specificity of nuclear medicines (DTPA and DMSA) with magnetic resonance imaging in diagnosing bone metastasis.

The frequency of bone metastases in individuals increases at advanced stages of cancer, mostly in patients suffering from lung, breast, or prostate cancer. The study aims to evaluate the effectiveness... Retrospective study design was adopted for the analysis of 120 recruited patients (with the presence of bone metastasis) following a series of examinations and tests.... Better sensitivity (73.33%) and specificity (94.66%) for MRI as compared to SPECT. MRI also proved to be more sensitive (68%) and specific (95.74%), as compared to the findings of the CT scan.... The results conclude that MRI provided favorable diagnostic performance for bone metastasis. It emphasizes that diagnosis using MRI may enable practitioners to devise optimal carcinoma treatment strat...

Sensitivity and specificity of using exercise heart rate in a thermoneutral environment to predict heat tolerance status.

Following heat illness, a return to activity may require passing a heat tolerance test (HTT). However, there are several logistical limitations to the widespread use of the HTT. Thus, it would be adva... Sixty-five subjects visited the lab on 3 separate days. The first visit consisted of completing a maximal oxygen uptake (VO2 max) test to assess cardiovascular fitness. For lab visits 2 and 3, subject... Forty-eight subjects were classified as heat-intolerant and 17 subjects as heat-tolerant. Using the criterion of a HR ≥130 bpm at 30 min of exercise in the thermoneutral environment, specificity (54%)... Exercise in a thermoneutral environment had a positive predictive value of 100%, thus, if a subject has a HR ≥130 bpm at 30 min of exercise in a thermoneutral environment, they are very likely to fail...