Titre : Xanthènes

Xanthènes : Questions médicales fréquentes

Termes MeSH sélectionnés :

Colorectal Neoplasms
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de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-13", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Xanthènes", "description": "Comment diagnostiquer une intoxication aux xanthènes ?\nQuels tests sont utilisés pour détecter les xanthènes ?\nQuels symptômes indiquent une exposition aux xanthènes ?\nLes xanthènes peuvent-ils être détectés dans l'urine ?\nQuel rôle joue l'historique médical dans le diagnostic ?", "url": "https://questionsmedicales.fr/mesh/D014966?mesh_terms=Colorectal+Neoplasms&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Xanthènes", "description": "Quels sont les symptômes courants d'une exposition aux xanthènes ?\nLes xanthènes provoquent-ils des réactions allergiques ?\nComment les xanthènes affectent-ils le système nerveux ?\nLes symptômes varient-ils selon le type de xanthène ?\nLes xanthènes affectent-ils la peau ?", "url": "https://questionsmedicales.fr/mesh/D014966?mesh_terms=Colorectal+Neoplasms&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Xanthènes", "description": "Comment prévenir l'exposition aux xanthènes ?\nLes travailleurs doivent-ils être formés sur les xanthènes ?\nQuelles mesures de sécurité doivent être prises en laboratoire ?\nLes xanthènes sont-ils réglementés ?\nComment informer le public sur les dangers des xanthènes ?", "url": "https://questionsmedicales.fr/mesh/D014966?mesh_terms=Colorectal+Neoplasms&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Xanthènes", "description": "Quel traitement est recommandé en cas d'intoxication aux xanthènes ?\nDes antidotes existent-ils pour les xanthènes ?\nComment traiter les symptômes neurologiques causés par les xanthènes ?\nLes soins de soutien sont-ils nécessaires ?\nPeut-on utiliser des traitements naturels contre les xanthènes ?", "url": "https://questionsmedicales.fr/mesh/D014966?mesh_terms=Colorectal+Neoplasms&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Xanthènes", "description": "Quelles complications peuvent survenir après une exposition aux xanthènes ?\nLes xanthènes peuvent-ils causer des maladies chroniques ?\nY a-t-il des effets à long terme des xanthènes ?\nLes xanthènes peuvent-ils affecter la reproduction ?\nComment gérer les complications liées aux xanthènes ?", "url": "https://questionsmedicales.fr/mesh/D014966?mesh_terms=Colorectal+Neoplasms&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Xanthènes", "description": "Qui est le plus à risque d'exposition aux xanthènes ?\nLes enfants sont-ils plus vulnérables aux xanthènes ?\nQuels facteurs environnementaux augmentent le risque ?\nLes antécédents médicaux influencent-ils le risque ?\nLes habitudes de vie jouent-elles un rôle dans le risque ?", "url": "https://questionsmedicales.fr/mesh/D014966?mesh_terms=Colorectal+Neoplasms&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une intoxication aux xanthènes ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Le diagnostic repose sur l'historique d'exposition et des tests sanguins spécifiques." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour détecter les xanthènes ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des analyses chromatographiques comme la HPLC sont couramment utilisées." } }, { "@type": "Question", "name": "Quels symptômes indiquent une exposition aux xanthènes ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des nausées, des vertiges et des troubles neurologiques." } }, { "@type": "Question", "name": "Les xanthènes peuvent-ils être détectés dans l'urine ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des tests urinaires peuvent révéler la présence de xanthènes." } }, { "@type": "Question", "name": "Quel rôle joue l'historique médical dans le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "L'historique aide à identifier les expositions antérieures aux xanthènes." } }, { "@type": "Question", "name": "Quels sont les symptômes courants d'une exposition aux xanthènes ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent des maux de tête, des nausées et des troubles de la vision." } }, { "@type": "Question", "name": "Les xanthènes provoquent-ils des réactions allergiques ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines personnes peuvent développer des réactions allergiques aux xanthènes." } }, { "@type": "Question", "name": "Comment les xanthènes affectent-ils le système nerveux ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent provoquer des troubles neurologiques comme des convulsions ou des tremblements." } }, { "@type": "Question", "name": "Les symptômes varient-ils selon le type de xanthène ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les symptômes peuvent varier selon la structure chimique des xanthènes." } }, { "@type": "Question", "name": "Les xanthènes affectent-ils la peau ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une exposition cutanée peut entraîner des irritations ou des éruptions." } }, { "@type": "Question", "name": "Comment prévenir l'exposition aux xanthènes ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Évitez les produits contenant des xanthènes et portez des équipements de protection." } }, { "@type": "Question", "name": "Les travailleurs doivent-ils être formés sur les xanthènes ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une formation sur les risques et la manipulation sécurisée est essentielle." } }, { "@type": "Question", "name": "Quelles mesures de sécurité doivent être prises en laboratoire ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Utilisez des hottes, des gants et des lunettes de protection lors de la manipulation." } }, { "@type": "Question", "name": "Les xanthènes sont-ils réglementés ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, leur utilisation est souvent réglementée pour protéger la santé publique." } }, { "@type": "Question", "name": "Comment informer le public sur les dangers des xanthènes ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Des campagnes de sensibilisation et des brochures d'information peuvent être utiles." } }, { "@type": "Question", "name": "Quel traitement est recommandé en cas d'intoxication aux xanthènes ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement inclut l'élimination de l'exposition et des soins symptomatiques." } }, { "@type": "Question", "name": "Des antidotes existent-ils pour les xanthènes ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Actuellement, il n'existe pas d'antidote spécifique pour les xanthènes." } }, { "@type": "Question", "name": "Comment traiter les symptômes neurologiques causés par les xanthènes ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments anticonvulsivants peuvent être utilisés pour gérer les symptômes." } }, { "@type": "Question", "name": "Les soins de soutien sont-ils nécessaires ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des soins de soutien sont souvent nécessaires pour les cas graves." } }, { "@type": "Question", "name": "Peut-on utiliser des traitements naturels contre les xanthènes ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas de preuves solides pour des traitements naturels efficaces." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir après une exposition aux xanthènes ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications neurologiques et dermatologiques peuvent se développer." } }, { "@type": "Question", "name": "Les xanthènes peuvent-ils causer des maladies chroniques ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Une exposition prolongée peut augmenter le risque de maladies chroniques." } }, { "@type": "Question", "name": "Y a-t-il des effets à long terme des xanthènes ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des effets à long terme incluent des troubles cognitifs et des problèmes de santé." } }, { "@type": "Question", "name": "Les xanthènes peuvent-ils affecter la reproduction ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Certaines études suggèrent qu'ils peuvent avoir des effets néfastes sur la reproduction." } }, { "@type": "Question", "name": "Comment gérer les complications liées aux xanthènes ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi médical régulier et des traitements symptomatiques sont recommandés." } }, { "@type": "Question", "name": "Qui est le plus à risque d'exposition aux xanthènes ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les travailleurs dans l'industrie chimique et les laboratoires sont les plus à risque." } }, { "@type": "Question", "name": "Les enfants sont-ils plus vulnérables aux xanthènes ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les enfants peuvent être plus sensibles aux effets toxiques des xanthènes." } }, { "@type": "Question", "name": "Quels facteurs environnementaux augmentent le risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "La pollution et l'exposition à des produits chimiques augmentent le risque." } }, { "@type": "Question", "name": "Les antécédents médicaux influencent-ils le risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents de maladies respiratoires ou neurologiques augmentent le risque." } }, { "@type": "Question", "name": "Les habitudes de vie jouent-elles un rôle dans le risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des habitudes comme le tabagisme peuvent augmenter la vulnérabilité aux xanthènes." } } ] } ] }

Sources (10000 au total)

Risk and preventive factors of early-onset colorectal neoplasms: endoscopic and histological database analysis.

The incidence of early-onset colorectal neoplasms has been increasing in both Western and Eastern countries. However, the risks and preventive factors for these neoplasms in Eastern countries remain u... The data of 5580 patients who underwent colonoscopy between 2016 and 2021 were retrospectively evaluated. The primary outcome was advanced colorectal neoplasm (ACRN), defined as advanced adenomas (ade... Among 1001 patients (age ≤50 years), ACRN was found in 94 (9.4%). In this younger category, male sex (adjusted odds ratio [aOR]:2.34, 95% confidence interval [CI]:1.51-3.63) and a family history of co... The development of early-onset ACRNs was primarily associated with congenital factors, whereas that of late-onset ACRNs was associated with acquired ones. Colonoscopy is recommended for young male pat...

Tip-in EMR as an alternative to endoscopic submucosal dissection for 20- to 30-mm nonpedunculated colorectal neoplasms.

Tip-in EMR, which includes anchoring the snare tip, has recently shown a favorable en-bloc and R0 resection rate for colorectal neoplasms. Thus, Tip-in EMR may be an alternative to endoscopic submucos... This retrospective study evaluated consecutive patients who underwent Tip-in EMR or ESD for 20- to 30-mm nonpedunculated colorectal neoplasms at a Japanese tertiary cancer center between January 2014 ... Seven hundred nine lesions were evaluated. The Tip-in EMR group included 1 lesion with a nonlifting sign but no lesions with fold convergence. After propensity score matching, each group included 140 ... Tip-in EMR is comparable with ESD with respect to the local recurrence rate but has a shorter procedure time, despite the lower en-bloc and R0 resection rates for 20- to 30-mm nonpedunculated colorect...

Clinical outcomes of endoscopic submucosal dissection for colorectal neoplasms: A single-center experience in Southern Taiwan.

Endoscopic submucosal dissection (ESD) as an advanced endoscopic procedure can be considered for the removal of colorectal lesions with high suspicion of limited submucosal invasion or cannot be optim... We retrospectively enrolled 230 patients with 244 colorectal neoplasms who received ESD procedures from April 2012 to October 2020 at Kaohsiung Chang Gung Memorial Hospital. Clinicopathological data w... The average age was 64 years old, with a mean follow-up time of 22.59 months. There was a loss of follow-up in 34 lesions. Most lesions were lateral spreading tumors of the non-granular type. The aver... ESD for colorectal neoplasms is an effective and safe technique. Size ≥ 10 cm2 and endoscopist's experience < 3 years were significantly associated with long procedure time. Pre-ESD EUS provided a goo...

Risk prediction of second primary malignancies in primary colorectal neuroendocrine neoplasms patients: a population-based study.

In this study, we aimed to identify risk factors for developing second primary malignancies (SPMs) in colorectal neuroendocrine neoplasms (NENs) patients and develop a competing-risk nomogram to predi... Patients with colorectal NENs were retrospectively collected from the Surveillance, Epidemiology, and End Results (SEER) database during 2000-2013. Potential risk factors for SPMs' occurrence in color... We identified 11,017 colorectal NENs' patients, and randomly divided them into training (n = 7711 patients) and validation (n = 3306 patients) cohorts. In the whole cohort, 12.4% patients (n = 1369) h... This research identified risk factors for SPMs' occurrence in colorectal NENs' patients. Competing-risk nomogram was constructed and proved to have good performance....

Treatment indicators and prognostic factors in colorectal neuroendocrine neoplasms and adenocarcinoma with neuroendocrine differentiation: a single center retrospective study.

This study compared survival and metastasis occurrence between colorectal neuroendocrine neoplasms (cNEN) and colorectal adenocarcinoma with neuroendocrine differentiation (cNED) and further explored ... Patients diagnosed as cNEN and cNED in West China Hospital from January 2009 to December 2020 were enrolled. The diagnosis and metastasis rates were calculated. Univariate and multivariate Cox analyse... The study enrolled 435 patients, including 257 neuroendocrine tumors (NET), 52 neuroendocrine carcinomas (NEC), 29 mixed neuroendocrine-non-neuroendocrine neoplasms (MiNEN), and 97 NED patients, of wh... cNEN show high metastatic capacity and are challenging to diagnose. More aggressive treatment and follow-up strategies are necessary for those patients. NET tumor grade higher than G2, size larger tha...

Pokemon inhibits Bim transcription to promote the proliferation, anti-anoikis, invasion, histological grade, and dukes stage of colorectal neoplasms.

This study aims to determine whether Pokemon regulates Bim activity in colorectal carcinoma (CRC) carcinogenesis.... Clinical tissue samples were analyzed to detect the expression and clinicopathological significance of Pokemon and Bim in CRC. Proliferation, apoptosis, and invasion assays were conducted to identify ... Immunohistochemical analysis of 80 samples of colorectal epithelia (CRE), 80 cases of colorectal adenoma (CRA), and 160 of CRC samples revealed protein expression rates of 23.8%, 38.8%, and 70.6% for ... These findings suggest that Pokemon inhibits Bim transcription, thereby promoting CRC proliferation, resistance to apoptosis, invasion, and advancing histological grade and Dukes staging. Pokemon knoc...

Endoscopic submucosal tunnel dissection vs conventional endoscopic submucosal dissection for large colorectal neoplasms: a single-centre retrospective study.

Colorectal endoscopic submucosal dissection (ESD) is still not widely used due to its technical difficulty and the risk of complications. Several techniques, such as traction techniques, pocket techni... The charts of consecutive patients referred to the Arcispedale Santa Maria Nuova (Reggio Emilia, Italy) for colorectal ESD between January 2014 and February 2021 for colorectal neoplasms > 40 mm were ... There were 59 patients (M:F ratio 29:30, median age 70 years [range 50-93 years]). Of 59 colorectal lesions > 40 mm, 25 were removed by ESTD and 34 by CESD. The en bloc resection rate was 100% in both... ESTD achieves a very high en bloc resection rate and is faster than CESD....