Titre : Jumeaux dizygotes

Jumeaux dizygotes : Questions médicales fréquentes

Termes MeSH sélectionnés :

Lymph Node Excision
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dans certaines populations ?", "url": "https://questionsmedicales.fr/mesh/D014429?mesh_terms=Lymph+Node+Excision&page=5#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Jumeaux dizygotes", "description": "Quels symptômes peuvent indiquer des jumeaux dizygotes ?\nLes jumeaux dizygotes présentent-ils des différences physiques ?\nY a-t-il des complications spécifiques aux jumeaux dizygotes ?\nLes jumeaux dizygotes partagent-ils des maladies ?\nComment les jumeaux dizygotes se développent-ils in utero ?", "url": "https://questionsmedicales.fr/mesh/D014429?mesh_terms=Lymph+Node+Excision&page=5#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Jumeaux dizygotes", "description": "Peut-on prévenir la naissance de jumeaux dizygotes ?\nQuels facteurs peuvent augmenter les chances d'avoir des jumeaux ?\nLes traitements de fertilité augmentent-ils les jumeaux dizygotes ?\nY a-t-il des conseils pour une grossesse gémellaire saine ?\nComment le mode de vie influence-t-il les jumeaux ?", "url": "https://questionsmedicales.fr/mesh/D014429?mesh_terms=Lymph+Node+Excision&page=5#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Jumeaux dizygotes", "description": "Quels traitements sont disponibles pour les jumeaux dizygotes ?\nComment gérer une grossesse gémellaire ?\nLes jumeaux dizygotes nécessitent-ils des soins spéciaux ?\nQuels sont les conseils pour les parents de jumeaux dizygotes ?\nY a-t-il des traitements pour les complications des jumeaux ?", "url": "https://questionsmedicales.fr/mesh/D014429?mesh_terms=Lymph+Node+Excision&page=5#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Jumeaux dizygotes", "description": "Quelles sont les complications possibles des jumeaux dizygotes ?\nLes jumeaux dizygotes ont-ils un risque accru de maladies ?\nComment gérer les complications pendant la grossesse ?\nLes jumeaux dizygotes nécessitent-ils une surveillance spéciale ?\nQuelles sont les conséquences à long terme des jumeaux dizygotes ?", "url": "https://questionsmedicales.fr/mesh/D014429?mesh_terms=Lymph+Node+Excision&page=5#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Jumeaux dizygotes", "description": "Quels sont les facteurs de risque pour avoir des jumeaux dizygotes ?\nL'alimentation influence-t-elle la conception de jumeaux ?\nLes antécédents familiaux augmentent-ils le risque de jumeaux ?\nLe nombre de grossesses précédentes influence-t-il les jumeaux ?\nLes traitements hormonaux augmentent-ils le risque de jumeaux ?", "url": "https://questionsmedicales.fr/mesh/D014429?mesh_terms=Lymph+Node+Excision&page=5#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment identifier des jumeaux dizygotes ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'échographie et les tests génétiques peuvent confirmer la dizygotie." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour le diagnostic ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests ADN et l'analyse des caractéristiques physiques aident au diagnostic." } }, { "@type": "Question", "name": "Les jumeaux dizygotes ont-ils des gènes identiques ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Non, ils partagent environ 50% de leurs gènes, comme des frères et sœurs ordinaires." } }, { "@type": "Question", "name": "Peut-on prédire la naissance de jumeaux dizygotes ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des facteurs comme l'hérédité et l'âge de la mère peuvent influencer la probabilité." } }, { "@type": "Question", "name": "Les jumeaux dizygotes sont-ils plus fréquents dans certaines populations ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la fréquence varie selon les ethnies et les régions géographiques." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer des jumeaux dizygotes ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes de grossesse peuvent être plus prononcés, comme un ventre plus gros." } }, { "@type": "Question", "name": "Les jumeaux dizygotes présentent-ils des différences physiques ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils peuvent avoir des caractéristiques physiques distinctes, comme la couleur des yeux." } }, { "@type": "Question", "name": "Y a-t-il des complications spécifiques aux jumeaux dizygotes ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les complications peuvent inclure un risque accru de prématurité et de faible poids à la naissance." } }, { "@type": "Question", "name": "Les jumeaux dizygotes partagent-ils des maladies ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent partager certaines maladies, mais le risque est généralement plus faible que pour les jumeaux monozygotes." } }, { "@type": "Question", "name": "Comment les jumeaux dizygotes se développent-ils in utero ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Ils se développent dans des sacs amniotiques séparés, ce qui réduit les risques de complications." } }, { "@type": "Question", "name": "Peut-on prévenir la naissance de jumeaux dizygotes ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Il n'est pas possible de prévenir la conception de jumeaux dizygotes, car cela dépend de la biologie." } }, { "@type": "Question", "name": "Quels facteurs peuvent augmenter les chances d'avoir des jumeaux ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "L'âge de la mère, l'hérédité et l'utilisation de traitements de fertilité peuvent augmenter les chances." } }, { "@type": "Question", "name": "Les traitements de fertilité augmentent-ils les jumeaux dizygotes ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les traitements de fertilité, comme la FIV, augmentent le risque de jumeaux dizygotes." } }, { "@type": "Question", "name": "Y a-t-il des conseils pour une grossesse gémellaire saine ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation saine, l'exercice modéré et des soins prénatals réguliers sont recommandés." } }, { "@type": "Question", "name": "Comment le mode de vie influence-t-il les jumeaux ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sain peut améliorer les résultats de grossesse, mais ne prévient pas les jumeaux." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour les jumeaux dizygotes ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements sont généralement liés à la grossesse, comme le suivi prénatal régulier." } }, { "@type": "Question", "name": "Comment gérer une grossesse gémellaire ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée et des visites médicales fréquentes sont essentielles." } }, { "@type": "Question", "name": "Les jumeaux dizygotes nécessitent-ils des soins spéciaux ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "En général, ils ne nécessitent pas de soins spéciaux, sauf en cas de complications." } }, { "@type": "Question", "name": "Quels sont les conseils pour les parents de jumeaux dizygotes ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Il est conseillé de se préparer à des besoins différents pour chaque enfant et de demander de l'aide." } }, { "@type": "Question", "name": "Y a-t-il des traitements pour les complications des jumeaux ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des traitements peuvent être nécessaires pour des complications comme la prématurité." } }, { "@type": "Question", "name": "Quelles sont les complications possibles des jumeaux dizygotes ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent la prématurité, le faible poids à la naissance et des problèmes de santé." } }, { "@type": "Question", "name": "Les jumeaux dizygotes ont-ils un risque accru de maladies ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Ils peuvent avoir un risque accru de certaines maladies, mais moins que les jumeaux monozygotes." } }, { "@type": "Question", "name": "Comment gérer les complications pendant la grossesse ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi médical régulier et une attention particulière aux signes de complications sont essentiels." } }, { "@type": "Question", "name": "Les jumeaux dizygotes nécessitent-ils une surveillance spéciale ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une surveillance accrue est souvent nécessaire pour détecter les complications précoces." } }, { "@type": "Question", "name": "Quelles sont les conséquences à long terme des jumeaux dizygotes ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les conséquences peuvent inclure des défis émotionnels et sociaux, mais varient selon les individus." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque pour avoir des jumeaux dizygotes ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'hérédité, l'âge de la mère et les traitements de fertilité sont des facteurs de risque connus." } }, { "@type": "Question", "name": "L'alimentation influence-t-elle la conception de jumeaux ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Certaines études suggèrent que des régimes riches en produits laitiers peuvent augmenter les chances." } }, { "@type": "Question", "name": "Les antécédents familiaux augmentent-ils le risque de jumeaux ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, avoir des jumeaux dans la famille peut augmenter les chances d'avoir des jumeaux dizygotes." } }, { "@type": "Question", "name": "Le nombre de grossesses précédentes influence-t-il les jumeaux ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les femmes ayant eu plusieurs grossesses ont plus de chances d'avoir des jumeaux dizygotes." } }, { "@type": "Question", "name": "Les traitements hormonaux augmentent-ils le risque de jumeaux ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les traitements hormonaux pour la fertilité peuvent augmenter le risque de jumeaux dizygotes." } } ] } ] }

Sources (7973 au total)

Factors Influencing Non-sentinel Lymph Node Involvement in Patients with Positive Sentinel Lymph Node(s) After Neoadjuvant Chemotherapy for Breast Cancer.

When a positive sentinel lymph node (SLN) is identified after neoadjuvant chemotherapy (NAC), completion axillary lymph node dissection (cALND) is generally recommended. We sought to evaluate the rate... We identified all patients at our hospital between 2006 and 2021 with a positive SLN (> 0.2 mm) following NAC who underwent cALND. Rates of positive non-SLN (NSLN) on cALND were compared by nodal stat... Overall, 229 cases (177 cN+, 52 cN0 prior to NAC) with positive SLN(s) after NAC underwent cALND. Additional NSLN involvement was found in 129/229 (56.3%) patients, including 24/52 (46.2%) cN0 and 105... Rates of nodal positivity on cALND in the setting of positive SLN after NAC are high, supporting the current standard of routine cALND. In cN+ disease, NSLN positivity varies by tumor biology, multice...

The Use of Wearable Activity Monitors to Measure Upper Limb Physical Activity After Axillary Lymph Node Dissection and Sentinel Lymph Node Biopsy.

We suspect that morbidity from both sentinel lymph node biopsy (SLNB) and axillary lymph node dissection (ALND) has been inadequately evaluated to date. Current methodologies are subjective and suscep... A prospective, single center, observational study was conducted from February 2020 to May 2022. Consecutive patients undergoing breast and/or reconstructive surgery and axillary surgeries were identif... Patients who underwent ALND experienced significantly worse PA compared with those who underwent SLNB in week 2 (median 66.4% versus 72.7%, p = 0.015). Subgroup analysis revealed significantly lower P... Compared with SLNB, ALND results in a lower PA level in week 2. The findings also indicate that SLNB has a protracted effect on PA levels, which extend to 2 weeks postoperatively. Monitoring recovery ...

Negative predictive value of PSMA PET scan for lymph node staging in patients undergoing robotic radical prostatectomy and pelvic lymph node dissection.

To assess the negative predictive value of PSMA PET scan for lymph node staging in patients undergoing robotic radical prostatectomy and pelvic lymph node dissection.... A retrospective analysis of patients who underwent robotic-assisted radical prostatectomy with pelvic lymph node dissection and had a preoperative negative PSMA PET scan for metastasis was performed. ... The overall negative predictive value of PSMA PET scan was 71.6%. Further sub-classification according to risk stratification demonstrated a NPV of 58.02%, 92.7% and 90% for high, intermediate and low... Pelvic lymph node dissection cannot be excluded based on a negative preop PSMA PET/CT scan....

Diagnostic performance of Node Reporting and Data System (Node-RADS) for assessing mesorectal lymph node in rectal cancer by CT.

To compare the diagnostic performance of the Node-RADS scoring system and lymph node (LN) size in preoperative LN assessment for rectal cancer (RC), and to investigate whether the selection of size as... Preoperative CT data of 146 RC patients treated with radical resection surgery were retrospectively analyzed. The Node-RADS score and short-axis diameter of size-prioritized LNs and the morphology-pri... Node-RADS score showed significant correlation with pN stage, LNM number and LNR (Node-RADS of size-prioritized LN: r = 0.600, 0.592, and 0.606; Node-RADS of morphology-prioritized LN: r = 0.547, 0.53... The Node-RADS scoring system outperforms the short-axis diameter in predicting lymph node metastasis in RC. Size-prioritized LN demonstrates superior predictive efficacy compared to morphology-priorit...

Lateral pelvic lymph node positivity (LPLNP) score: predictive clinic-radiological model of lateral pelvic lymph node involvement in rectal cancer patients.

The population in Western countries differs significantly from that in Eastern countries, and the prevalence of lateral pelvic lymph node (LPLN) involvement in Western populations remains largely unkn... This retrospective single center study was designed to elaborate the LPLNP score, which was further tested on a prospective cohort of patients. Clinical and MRI factors associated with LPLN involvemen... In the retrospective series, 120 patients underwent lateral pelvic lymph node dissection. After stepwise logistic regression, five parameters were ultimately included in the LPLNP score. When tested o... The LPLNP score was developed based on the largest group of Western patients with locally advanced rectal cancer. This scoring system demonstrated high sensitivity and specificity during validation on...

Preoperative chemotherapy combined with para-aortic lymph node dissection has clinical value in the treatment of gastric cancer with para-aortic lymph node metastases.

Lymph node metastases often occur in advanced gastric cancer, with some patients presenting with metastases in the para-aortic lymph nodes. There are persistent Controversies about the benefit of para... To retrospectively analyze the clinical data of 86 gastric cancer patients (40 in the D2 + PAND group and 46 in the D2 group) who attended the abdominal surgery department of Zhejiang Cancer Hospital ... In the D2 + PAND group (40 cases), the average number of lymph nodes cleared per case was 4.3 in group 16 (16a2, 16b1), and the postoperative pathology confirmed lymph node positivity in 16 cases, wit... For patients with gastric cancer whose imaging suggests metastasis in the para-aortic lymph nodes, preoperative chemotherapy combined with PAND is an effective and safe treatment that may benefit pati...

Long-term survival after sentinel lymph node biopsy or axillary lymph node dissection in pN0 breast cancer patients: a population-based study.

Findings from randomized clinical trials have shown that survival in patients with sentinel lymph node (SLN)-negative breast cancer is noninferior with SLN biopsy (SLNB) alone versus further axillary ... We included patients diagnosed with pathologically staged T1-2N0M0 breast cancer between 2000 and 2015 in surveillance, epidemiology, and end results 18-registry database. Patients were considered to ... We included 309,430 patients (253,501 SLNB and 55,929 ALND). In the weighted cohort, ALND was associated with significantly lower OS (hazard ratio [HR] 1.13; 95% confidence interval [CI] 1.10-1.16) an... We found statistically significant differences in OS and BCSS between SLNB and ALND, though the magnitude of these differences was small. Our findings further support that SLNB alone should be the sta...