questionsmedicales.fr
Maladies de l'appareil digestif
Tumeurs de l'appareil digestif
Tumeurs de l'appareil digestif : Questions médicales fréquentes
Termes MeSH sélectionnés :
Randomized Controlled Trials as Topic
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"name": "Comment diagnostiquer une tumeur digestive ?",
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"text": "Le diagnostic se fait par endoscopie, imageries (IRM, scanner) et biopsie."
}
},
{
"@type": "Question",
"name": "Quels tests sanguins sont utilisés ?",
"position": 2,
"acceptedAnswer": {
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"text": "Des marqueurs tumoraux comme le CEA et l'AFP peuvent être mesurés."
}
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"name": "Quelle est l'importance de l'endoscopie ?",
"position": 3,
"acceptedAnswer": {
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"text": "L'endoscopie permet de visualiser directement les lésions et de prélever des échantillons."
}
},
{
"@type": "Question",
"name": "Quand faire un scanner abdominal ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un scanner est recommandé pour évaluer l'extension de la tumeur et les métastases."
}
},
{
"@type": "Question",
"name": "Quels symptômes nécessitent un diagnostic ?",
"position": 5,
"acceptedAnswer": {
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"text": "Des douleurs abdominales persistantes, des saignements ou des changements de transit."
}
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{
"@type": "Question",
"name": "Quels sont les symptômes courants des tumeurs digestives ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes incluent douleurs abdominales, perte de poids, nausées et vomissements."
}
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{
"@type": "Question",
"name": "Comment se manifeste une obstruction intestinale ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle se manifeste par des douleurs, des vomissements et une incapacité à évacuer les selles."
}
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{
"@type": "Question",
"name": "Les tumeurs peuvent-elles causer des saignements ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des saignements peuvent survenir dans les selles ou par voie orale selon la localisation."
}
},
{
"@type": "Question",
"name": "Quels signes indiquent une tumeur de l'estomac ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des douleurs épigastriques, des nausées, et une sensation de satiété précoce peuvent indiquer une tumeur."
}
},
{
"@type": "Question",
"name": "Les tumeurs peuvent-elles provoquer des troubles digestifs ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent entraîner des troubles comme des ballonnements, des diarrhées ou de la constipation."
}
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{
"@type": "Question",
"name": "Comment prévenir les tumeurs digestives ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée, l'exercice régulier et l'évitement du tabac sont conseillés."
}
},
{
"@type": "Question",
"name": "Le dépistage est-il important ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le dépistage précoce peut aider à détecter les tumeurs à un stade précoce."
}
},
{
"@type": "Question",
"name": "Quels aliments éviter pour réduire le risque ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il est conseillé de limiter les viandes transformées et les aliments riches en graisses saturées."
}
},
{
"@type": "Question",
"name": "Le surpoids est-il un facteur de risque ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'obésité est un facteur de risque pour plusieurs types de tumeurs digestives."
}
},
{
"@type": "Question",
"name": "Faut-il éviter l'alcool ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une consommation excessive d'alcool augmente le risque de cancers digestifs."
}
},
{
"@type": "Question",
"name": "Quels traitements sont disponibles pour les tumeurs digestives ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements incluent la chirurgie, la chimiothérapie et la radiothérapie."
}
},
{
"@type": "Question",
"name": "Quand la chirurgie est-elle recommandée ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "La chirurgie est souvent recommandée pour retirer la tumeur si elle est localisée."
}
},
{
"@type": "Question",
"name": "Quel rôle joue la chimiothérapie ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "La chimiothérapie est utilisée pour réduire la taille des tumeurs ou traiter les métastases."
}
},
{
"@type": "Question",
"name": "La radiothérapie est-elle efficace ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut être utilisée pour traiter les tumeurs non opérables ou réduire la douleur."
}
},
{
"@type": "Question",
"name": "Qu'est-ce que l'immunothérapie ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'immunothérapie stimule le système immunitaire pour combattre les cellules tumorales."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications possibles des tumeurs digestives ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des saignements, des obstructions intestinales et des métastases."
}
},
{
"@type": "Question",
"name": "Comment les tumeurs affectent-elles la nutrition ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elles peuvent provoquer des malabsorption et des carences nutritionnelles."
}
},
{
"@type": "Question",
"name": "Les tumeurs peuvent-elles causer des douleurs chroniques ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles peuvent entraîner des douleurs chroniques dues à l'invasion des tissus environnants."
}
},
{
"@type": "Question",
"name": "Quelles sont les conséquences des métastases ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les métastases peuvent affecter d'autres organes, compliquant le traitement et le pronostic."
}
},
{
"@type": "Question",
"name": "Les infections sont-elles une complication ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les infections peuvent survenir, surtout après une chirurgie ou en cas d'immunosuppression."
}
},
{
"@type": "Question",
"name": "Quels sont les principaux facteurs de risque ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'âge, les antécédents familiaux, le tabagisme et l'alimentation."
}
},
{
"@type": "Question",
"name": "Le tabagisme augmente-t-il le risque ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme est un facteur de risque reconnu pour plusieurs cancers digestifs."
}
},
{
"@type": "Question",
"name": "Les antécédents familiaux sont-ils importants ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents familiaux de cancers digestifs augmentent le risque individuel."
}
},
{
"@type": "Question",
"name": "L'alimentation joue-t-elle un rôle ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation riche en fibres et pauvre en graisses peut réduire le risque."
}
},
{
"@type": "Question",
"name": "Le stress est-il un facteur de risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le stress n'est pas un facteur direct, mais il peut influencer des comportements à risque."
}
}
]
}
]
}
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Randomized controlled trials (RCT) represent evidence at the lowest potential risk for bias. Clinicians in all specialties depend upon RCTs to guide patient care. Issues such as statistical discordanc...
PubMed was searched using "randomized controlled trial." Studies were selected using a random number generator. Studies were included if the primary outcome could be reproduced using the data and stat...
Overall, 572 RCTs were selected involving six specialties. Of these, 45% were positive (p<0.05) studies. Eleven (2%) published results that differed from the reproduction analysis and crossed the p=0....
Less than 5% of published RCTs reported a discordant p-value that crossed the "p=0.05" threshold. Although the occurrence is uncommon, the existence of even one RCT publishing nonreproducible results ...