Titre : Tocophérols

Tocophérols : Questions médicales fréquentes

Termes MeSH sélectionnés :

Prostatic Neoplasms
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"datePublished": "2025-05-07", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Tocophérols", "description": "Comment diagnostiquer une carence en tocophérols ?\nQuels tests sont utilisés pour évaluer les tocophérols ?\nQuels symptômes indiquent un déficit en tocophérols ?\nLes tocophérols sont-ils mesurables dans d'autres fluides ?\nQuelle est la méthode de référence pour mesurer les tocophérols ?", "url": "https://questionsmedicales.fr/mesh/D024505?mesh_terms=Prostatic+Neoplasms&page=4#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Tocophérols", "description": "Quels sont les symptômes d'une carence en tocophérols ?\nLes tocophérols affectent-ils la peau ?\nY a-t-il des symptômes liés à une surconsommation de tocophérols ?\nLes tocophérols influencent-ils la fertilité ?\nLes tocophérols ont-ils un rôle dans la vision ?", "url": 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d'autres médicaments ?", "url": "https://questionsmedicales.fr/mesh/D024505?mesh_terms=Prostatic+Neoplasms&page=4#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Tocophérols", "description": "Quelles complications peuvent survenir avec une carence en tocophérols ?\nLes tocophérols peuvent-ils affecter le système immunitaire ?\nY a-t-il des risques liés à une surconsommation de tocophérols ?\nLes tocophérols sont-ils liés à des maladies chroniques ?\nLes tocophérols peuvent-ils influencer la santé cardiovasculaire ?", "url": "https://questionsmedicales.fr/mesh/D024505?mesh_terms=Prostatic+Neoplasms&page=4#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Tocophérols", "description": "Quels facteurs augmentent le risque de carence en tocophérols ?\nLes personnes âgées sont-elles à risque de carence en tocophérols ?\nLes maladies hépatiques influencent-elles les niveaux de tocophérols ?\nLes régimes végétaliens présentent-ils un risque pour les tocophérols ?\nLes troubles digestifs augmentent-ils le risque de carence ?", "url": "https://questionsmedicales.fr/mesh/D024505?mesh_terms=Prostatic+Neoplasms&page=4#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une carence en tocophérols ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un diagnostic se fait par des tests sanguins mesurant les niveaux de tocophérols." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer les tocophérols ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests sériques de vitamine E sont couramment utilisés pour évaluer les niveaux." } }, { "@type": "Question", "name": "Quels symptômes indiquent un déficit en tocophérols ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme la faiblesse musculaire et des troubles neurologiques peuvent indiquer un déficit." } }, { "@type": "Question", "name": "Les tocophérols sont-ils mesurables dans d'autres fluides ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent également être mesurés dans le plasma et les tissus adipeux." } }, { "@type": "Question", "name": "Quelle est la méthode de référence pour mesurer les tocophérols ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "La chromatographie liquide à haute performance (HPLC) est la méthode de référence." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une carence en tocophérols ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent la neuropathie, la faiblesse musculaire et des problèmes de vision." } }, { "@type": "Question", "name": "Les tocophérols affectent-ils la peau ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une carence peut entraîner une peau sèche et des troubles cutanés." } }, { "@type": "Question", "name": "Y a-t-il des symptômes liés à une surconsommation de tocophérols ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Une surconsommation peut causer des saignements en raison d'une inhibition de la coagulation." } }, { "@type": "Question", "name": "Les tocophérols influencent-ils la fertilité ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des niveaux adéquats de tocophérols sont importants pour la santé reproductive." } }, { "@type": "Question", "name": "Les tocophérols ont-ils un rôle dans la vision ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils protègent les cellules rétiniennes et peuvent prévenir la dégénérescence maculaire." } }, { "@type": "Question", "name": "Comment prévenir une carence en tocophérols ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée riche en graisses saines et en fruits peut prévenir la carence." } }, { "@type": "Question", "name": "Les suppléments de tocophérols sont-ils nécessaires ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Ils ne sont généralement pas nécessaires si l'alimentation est adéquate." } }, { "@type": "Question", "name": "Quels conseils diététiques pour augmenter les tocophérols ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Inclure des avocats, des amandes et des épinards dans votre alimentation quotidienne." } }, { "@type": "Question", "name": "Les tocophérols sont-ils importants pour les sportifs ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils aident à réduire le stress oxydatif et à améliorer la récupération musculaire." } }, { "@type": "Question", "name": "Les femmes enceintes doivent-elles surveiller leur apport en tocophérols ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un apport adéquat est crucial pour le développement fœtal et la santé maternelle." } }, { "@type": "Question", "name": "Comment traiter une carence en tocophérols ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement inclut des suppléments de vitamine E et des modifications alimentaires." } }, { "@type": "Question", "name": "Quels aliments sont riches en tocophérols ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Les huiles végétales, les noix, les graines et les légumes à feuilles vertes sont riches en tocophérols." } }, { "@type": "Question", "name": "Les tocophérols sont-ils disponibles sous forme médicamenteuse ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils sont disponibles sous forme de capsules ou de comprimés en pharmacie." } }, { "@type": "Question", "name": "Quelle est la posologie recommandée pour les tocophérols ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "La posologie varie, mais généralement, 15 mg par jour est recommandé pour les adultes." } }, { "@type": "Question", "name": "Les tocophérols peuvent-ils interagir avec d'autres médicaments ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent interagir avec des anticoagulants et affecter leur efficacité." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une carence en tocophérols ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des troubles neurologiques et des problèmes de coagulation." } }, { "@type": "Question", "name": "Les tocophérols peuvent-ils affecter le système immunitaire ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une carence peut affaiblir le système immunitaire et augmenter le risque d'infections." } }, { "@type": "Question", "name": "Y a-t-il des risques liés à une surconsommation de tocophérols ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Une surconsommation peut entraîner des saignements et des troubles de la coagulation." } }, { "@type": "Question", "name": "Les tocophérols sont-ils liés à des maladies chroniques ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Des études suggèrent qu'ils peuvent jouer un rôle dans la prévention de maladies chroniques." } }, { "@type": "Question", "name": "Les tocophérols peuvent-ils influencer la santé cardiovasculaire ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent aider à réduire le risque de maladies cardiovasculaires grâce à leurs propriétés antioxydantes." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de carence en tocophérols ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les troubles d'absorption intestinale et les régimes très faibles en graisses augmentent le risque." } }, { "@type": "Question", "name": "Les personnes âgées sont-elles à risque de carence en tocophérols ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les personnes âgées peuvent avoir des niveaux plus bas en raison d'une absorption réduite." } }, { "@type": "Question", "name": "Les maladies hépatiques influencent-elles les niveaux de tocophérols ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les maladies hépatiques peuvent affecter le métabolisme et l'absorption des tocophérols." } }, { "@type": "Question", "name": "Les régimes végétaliens présentent-ils un risque pour les tocophérols ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un régime végétalien mal équilibré peut entraîner une carence en tocophérols." } }, { "@type": "Question", "name": "Les troubles digestifs augmentent-ils le risque de carence ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des troubles comme la maladie cœliaque peuvent réduire l'absorption des tocophérols." } } ] } ] }

Sources (10000 au total)

The rapid assessment for prostate imaging and diagnosis (RAPID) prostate cancer diagnostic pathway.

To report outcomes within the Rapid Assessment for Prostate Imaging and Diagnosis (RAPID) diagnostic pathway, introduced to reduce patient and healthcare burdens and standardize delivery of pre-biopsy... A total of 2130 patients from three centres who completed the RAPID pathway (3 April 2017 to 31 March 2020) were consecutively entered as a prospective registry. These patients were also compared to a... The median patient age and PSA level were 66 years and 6.6 ng/mL, respectively. Biopsy could be omitted in 43% of patients (920/2130). A further 7.9% of patients (168/2130) declined a recommendation f... The RAPID prostate cancer diagnostic pathway allows 43% of men to avoid a biopsy while preserving good detection of clinically significant cancers and low detection of insignificant cancers, although ...

Determination of miRNA expression profile in patients with prostate cancer and benign prostate hyperplasia.

It is a known fact that the role of microRNAs (miRNA) has a very important place in cancer development and progression. miRNAs target a significant part of pathways as well as genes. This study aimed ... Peripheral blood mononuclear cells (PBMCs) and tissue samples were collected from prostate cancer (PCa) (n: 20) and benign prostatic hyperplasia (BPH) (n: 20) patients. Total RNA isolation was perform... In tissue samples, 37 different expressed miRNAs were identified in PCa patients compared to BPH patients. In PBMCs samples, 27 different expressed miRNAs were identified in PCa patients compared to b... Our results suggested that determined common hsa-miR-494-3p, hsa-miR-3128, hsa-miR-8084 and their target HIF1A, AVRP1A, NHS, INSL4 may play a crucial role in therapeutic and early diagnostic strategie...

Causal relationship between prostatic diseases and prostate cancer: a mendelian randomization study.

Although it is thought that prostatitis or benign prostatic hyperplasia (BPH) is related to prostate cancer (PCa), the underlying causal effects of these diseases are unclear.... We assessed the causal relationship between prostatitis or BPH and PCa using a two-sample Mendelian randomization (MR) approach. The data utilized in this study were sourced from genome-wide associati... MR analysis showed that BPH had a significant causal effect on PCa (Odds Ratio = 1.209, 95% Confidence Interval: 0.098-0.281, P = 5.079 × 10... This MR study supports that BPH has a positive causal effect on PCa, while genetically predicted prostatitis has no causal effect on PCa. Nonetheless, further studies should explore the underlying bio...

Prostate MRI for the detection of clinically significant prostate cancer: Update and future directions.

In recent decades, there has been an increasing role for magnetic resonance imaging (MRI) in the detection of clinically significant prostate cancer (csPC). The purpose of this review is to provide an... In diagnosing clinically significant prostate cancer pre-biopsy, advances include our understanding of MRI-targeted biopsy, the role of biparametric MRI (non-contrast) and changing indications, for ex... The utility of MRI in detecting csPC has been demonstrated in many clinical scenarios, initially from simply diagnosing csPC pre-biopsy, now to screening, active surveillance, clinical staging, and de...

Ki67 and prostate specific antigen are prognostic in metastatic hormone naïve prostate cancer.

For metastatic hormone naïve prostate cancer patients, androgen deprivation therapy (ADT) with escalation therapy including docetaxel and/or androgen targeting drugs is the standard therapy. However, ... Prostate biopsies from 92 patients with metastatic hormone naïve PC (PSA > 80 ng/mL or clinical metastases) were immunohistochemically evaluated for PSA and Ki67. Gene expression analysis was performe... The immunohistochemical score for PSA was the strongest prognostic factor for progression-free and overall survival after ADT. Consequently, the ratio between Ki67 and PSA displayed a stronger prognos... PSA and Ki67 immunoreactive scores are prognostic in the metastatic hormone-sensitive setting, with PSA being superior. The combination of Ki67 and PSA did not give additional prognostic value. The re...

Value of serum free prostate-specific antigen density in the diagnosis of prostate cancer.

To investigate the value of serum free prostate-specific antigen density (fPSAD) in the diagnosis of prostate cancer (PCa).... The data of 558 patients who underwent transrectal ultrasound-guided prostate biopsy were retrospectively analyzed. According to the pathological results, the patients were divided into a PCa group an... tPSA, PSAD, (f/t)/PSAD, and fPSAD had high accuracy in predicting PCa with AUC values of 0.820, 0.900, 0.846, and 0.867. fPSAD showed lower diagnostic sensitivity but significantly higher specificity ... With the optimal cutoff value of 0.062, fPSAD has a higher diagnostic value for PCa than tPSA, f/tPSA, (f/t)/PSAD, and PSAD, and can well predict the risk of PCa, significantly improve the clinical di...

[Structured reporting of prostate cancer-self-development of a digital solution for prostate biopsies].

The challenges in pathology and in structuring of data are increasing. Although considerable amounts of data are generated during the pathological diagnostic process, these data are often not availabl... The aim of the work was the development of a digital system for the direct and high-quality acquisition of structured pathology data using the example of biopsy-based diagnostics of prostate carcinoma... A solution was created in cooperation with the pathology laboratory information system (LIS) provider imassense GmbH (Berlin, Germany), whose LIS 'Informationssystem der digitalen Pathologie' (IS-P) i... Over a period of about 1.5 years, a system that is capable of structured reporting according to local, national (S3 guidelines, German Cancer Society) and international (International Collaboration on...