Titre : Oryza

Oryza : Questions médicales fréquentes

Termes MeSH sélectionnés :

Early Detection of Cancer
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"https://questionsmedicales.fr/mesh/D012275?mesh_terms=Early+Detection+of+Cancer&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment identifier les variétés de riz ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Les variétés de riz peuvent être identifiées par des caractéristiques morphologiques et génétiques." } }, { "@type": "Question", "name": "Quels tests pour évaluer la qualité du riz ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de grain, d'humidité et de contaminants sont utilisés pour évaluer la qualité du riz." } }, { "@type": "Question", "name": "Comment détecter les maladies du riz ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "L'observation des symptômes sur les feuilles et les grains aide à détecter les maladies du riz." } }, { "@type": "Question", "name": "Quels outils pour le diagnostic des cultures ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des outils comme les microscopes et les tests PCR sont utilisés pour diagnostiquer les cultures." } }, { "@type": "Question", "name": "Comment évaluer la résistance des variétés de riz ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des essais en champ et des tests en laboratoire évaluent la résistance des variétés de riz." } }, { "@type": "Question", "name": "Quels symptômes de maladies du riz ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des taches, un flétrissement et des décolorations des feuilles." } }, { "@type": "Question", "name": "Comment reconnaître le stress hydrique sur le riz ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Le stress hydrique se manifeste par un flétrissement et un jaunissement des feuilles." } }, { "@type": "Question", "name": "Quels signes de carences nutritionnelles ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les carences se traduisent par des décolorations et des croissances anormales des plantes." } }, { "@type": "Question", "name": "Comment identifier les ravageurs du riz ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Les ravageurs causent des dommages visibles comme des trous dans les feuilles et des déformations." } }, { "@type": "Question", "name": "Quels symptômes d'infections fongiques ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Les infections fongiques se manifestent par des taches brunes et des moisissures sur les grains." } }, { "@type": "Question", "name": "Comment prévenir les maladies du riz ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "La rotation des cultures et l'utilisation de semences saines aident à prévenir les maladies." } }, { "@type": "Question", "name": "Quelles pratiques culturales pour le riz ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des pratiques comme le désherbage et la fertilisation régulière sont essentielles pour le riz." } }, { "@type": "Question", "name": "Comment éviter le stress hydrique ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "L'irrigation adéquate et le choix de variétés adaptées aident à éviter le stress hydrique." } }, { "@type": "Question", "name": "Quels traitements préventifs contre les ravageurs ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "L'utilisation de pièges et de traitements biologiques peut prévenir les infestations." } }, { "@type": "Question", "name": "Comment choisir des semences résistantes ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Sélectionner des semences certifiées et adaptées aux conditions locales est crucial." } }, { "@type": "Question", "name": "Quels traitements pour les maladies du riz ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent l'utilisation de fongicides et de pratiques culturales adaptées." } }, { "@type": "Question", "name": "Comment gérer les ravageurs du riz ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "La gestion intégrée des ravageurs combine des méthodes chimiques et biologiques." } }, { "@type": "Question", "name": "Quels engrais pour améliorer le riz ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des engrais riches en azote, phosphore et potassium sont recommandés pour le riz." } }, { "@type": "Question", "name": "Comment traiter le stress hydrique ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "L'irrigation contrôlée et le choix de variétés résistantes aident à traiter le stress hydrique." } }, { "@type": "Question", "name": "Quels remèdes naturels pour le riz ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Des extraits de plantes et des solutions biologiques peuvent être utilisés comme remèdes." } }, { "@type": "Question", "name": "Quelles complications des maladies du riz ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des pertes de rendement et des impacts économiques significatifs." } }, { "@type": "Question", "name": "Comment les ravageurs affectent-ils le rendement ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Les ravageurs peuvent réduire le rendement en endommageant les feuilles et les grains." } }, { "@type": "Question", "name": "Quels impacts du stress hydrique sur le riz ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Le stress hydrique peut entraîner une réduction de la croissance et des rendements." } }, { "@type": "Question", "name": "Quelles pertes économiques liées aux maladies ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les maladies peuvent entraîner des pertes économiques importantes pour les agriculteurs." } }, { "@type": "Question", "name": "Comment les conditions climatiques affectent-elles le riz ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les conditions climatiques extrêmes peuvent aggraver les maladies et réduire les rendements." } }, { "@type": "Question", "name": "Quels facteurs de risque pour les maladies du riz ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'humidité élevée, la densité de plantation et les semences infectées." } }, { "@type": "Question", "name": "Comment le climat influence-t-il le riz ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le climat, notamment la température et les précipitations, influence la croissance du riz." } }, { "@type": "Question", "name": "Quels sols favorisent les maladies du riz ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les sols mal drainés et riches en matière organique peuvent favoriser les maladies." } }, { "@type": "Question", "name": "Comment la monoculture affecte-t-elle le riz ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "La monoculture augmente le risque de maladies et de ravageurs en réduisant la biodiversité." } }, { "@type": "Question", "name": "Quels impacts des pratiques agricoles sur le riz ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Des pratiques inappropriées peuvent accroître les risques de maladies et réduire les rendements." } } ] } ] }

Sources (10000 au total)

A Liquid Biopsy Signature for the Early Detection of Gastric Cancer in Patients.

Diagnosing gastric cancer (GC) while the disease remains eligible for surgical resection is challenging. In view of this clinical challenge, novel and robust biomarkers for early detection thus improv... The present 3-step study incorporated data from 2141 patients, including 888 with GC, 158 with chronic atrophic gastritis, 193 with intestinal metaplasia, 501 healthy donors, and 401 with other gastro... In discovery phase, one LR (GClnc1) was found to be up-regulated in both tissue and circulating EV samples with an area under the curve (AUC) of 0.9369 (95% confidence interval [CI], 0.9073-0.9664) fo... EV-derived GClnc1 serves as a circulating biomarker for the early detection of GC, thus providing opportunities for curative surgery and improved survival outcomes....

Optimal age to stop prostate cancer screening and early detection.

Prostate Cancer screening should be discontinued at older ages because competing mortality risks eventually dominate the risk of Prostate Cancer and harms exceed benefits. We explored the Prostate Can... We applied Bellman Equations to formulate the net benefits biopsy and "do nothing". Using difference between the net benefits of two alternatives, we calculated the stopping age. The cancer states wer... Our results suggested that Prostate Cancer screening stopping ages from the patient, healthcare system, and social were 70, 68, and 68 respectively. The univariate sensitivity analysis showed that the... Men should not be screened for Prostate Cancer beyond 70 years old, as this results in the net benefit of "do nothing" above the biopsy. Nevertheless, this finding needs to be further studied with mor...

Ovarian Cancer-Self Assessment: An Innovation for Early Detection and Risk Assessment of Ovarian Cancer.

The modality to detect ovarian cancer at an early stage is very limited. Early diagnosis determines the prognosis. This study aimed to develop a risk assessment tool for early detection of ovarian can... This study was carried out as a cohort study of patients diagnosed with suspected ovarian tumors undergoing cytoreduction operation at Hasan Sadikin Hospital, Bandung, from December 2019 to September ... In total, 115 patients included in this study. The differences were statistically significant in terms of the six variables (abdominal bloating, nausea/vomiting, decreased of appetite, fullness, menst... Risk assessments based on ovarian cancer self-assessment unfortunately were not comparable to postoperative histopathology as a single predictor. Ten variables in ovarian cancer artificial intelligenc...

Integration of multiomics features for blood-based early detection of colorectal cancer.

Early detection of colorectal cancer (CRC) significantly enhances patient outcomes. Conventional CRC screening tools, like endoscopy and stool-based tests, have constraints due to their invasiveness o... In this research, we harnessed the Mutation Capsule Plus (MCP) technology to profile an array of genomic characteristics from cfDNA procured from a single blood draw. This profiling encompassed DNA me... This model was subsequently validated in another cohort comprising 89 CRC patients and 95 healthy controls. Remarkably, the model achieved an area under the curve (AUC) of 0.981 (95% confidence interv... Our findings underscore the clinical potential of our multiomics liquid biopsy test, indicating its prospective role as a noninvasive method for early-stage CRC detection. This multiomics approach hol...

Prospective cohort for early detection of liver cancer (Pearl): a study protocol.

Hepatocellular carcinoma (HCC) is the fastest-rising and fourth most common cause of cancer death worldwide. Liver cirrhosis is the largest underlying risk factor for HCC. Therefore, patients with cir... This is a UK-based prospective, longitudinal, diagnostic, prognostic, multicentre, non-CTIMP study. Aiming to recruit 3000 patients with liver cirrhosis without a HCC diagnosis, the Pearl cohort will ... Ethical approval has been granted by REC and the trial is registered on ClinicalTrials.gov. The results will be published in peer-reviewed journals and presented at relevant meetings.... NCT05541601....