Titre : Procédures de chirurgie gynécologique

Procédures de chirurgie gynécologique : Questions médicales fréquentes

Termes MeSH sélectionnés :

Particle Accelerators
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d'infections ?\nY a-t-il des moyens de prévenir le cancer de l'ovaire ?\nComment éviter les complications post-chirurgicales ?", "url": "https://questionsmedicales.fr/mesh/D013509?mesh_terms=Particle+Accelerators&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Procédures de chirurgie gynécologique", "description": "Quelles sont les options chirurgicales pour l'endométriose ?\nComment traiter les fibromes utérins ?\nQuel est le rôle de la laparoscopie ?\nQuand envisager une hystérectomie ?\nQuels traitements pour les infections pelviennes ?", "url": "https://questionsmedicales.fr/mesh/D013509?mesh_terms=Particle+Accelerators&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Procédures de chirurgie gynécologique", "description": "Quelles complications peuvent survenir après une hystérectomie ?\nQuels risques après une laparoscopie ?\nComment gérer les complications d'une chirurgie gynécologique ?\nQuelles sont les complications possibles des fibromes ?\nQuels effets secondaires des traitements hormonaux ?", "url": "https://questionsmedicales.fr/mesh/D013509?mesh_terms=Particle+Accelerators&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Procédures de chirurgie gynécologique", "description": "Quels sont les facteurs de risque de l'endométriose ?\nQuels facteurs augmentent le risque de fibromes ?\nComment l'âge influence-t-il les risques gynécologiques ?\nQuels sont les facteurs de risque d'infections pelviennes ?\nQuels facteurs influencent le cancer de l'ovaire ?", "url": "https://questionsmedicales.fr/mesh/D013509?mesh_terms=Particle+Accelerators&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une endométriose ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'endométriose se diagnostique par échographie, IRM ou laparoscopie." } }, { "@type": "Question", "name": "Quels tests pour les fibromes utérins ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les fibromes sont souvent diagnostiqués par échographie ou hystéroscopie." } }, { "@type": "Question", "name": "Quels symptômes indiquent une chirurgie ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des douleurs persistantes, des saignements anormaux ou des masses pelviennes peuvent nécessiter une chirurgie." } }, { "@type": "Question", "name": "Comment évaluer une infection pelvienne ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "L'infection pelvienne se diagnostique par examen clinique et tests sanguins." } }, { "@type": "Question", "name": "Quel rôle des biopsies dans le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Les biopsies permettent d'analyser les tissus et de confirmer des pathologies." } }, { "@type": "Question", "name": "Quels sont les symptômes de l'endométriose ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent douleurs pelviennes, règles douloureuses et infertilité." } }, { "@type": "Question", "name": "Comment reconnaître un fibrome utérin ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Les fibromes peuvent causer des saignements abondants et des douleurs pelviennes." } }, { "@type": "Question", "name": "Quels signes d'infection gynécologique ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Fièvre, douleurs abdominales et pertes vaginales anormales sont des signes d'infection." } }, { "@type": "Question", "name": "Quels symptômes d'une grossesse extra-utérine ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Douleurs abdominales unilatérales et saignements vaginaux peuvent indiquer une grossesse extra-utérine." } }, { "@type": "Question", "name": "Quels symptômes d'un cancer de l'ovaire ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Ballonnements, douleurs pelviennes et changements d'appétit peuvent signaler un cancer de l'ovaire." } }, { "@type": "Question", "name": "Comment prévenir l'endométriose ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas de méthode garantie, mais un suivi médical régulier peut aider." } }, { "@type": "Question", "name": "Quelles mesures pour éviter les fibromes ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Maintenir un poids santé et une alimentation équilibrée peut réduire le risque de fibromes." } }, { "@type": "Question", "name": "Comment réduire le risque d'infections ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Pratiquer des rapports protégés et maintenir une bonne hygiène intime aide à prévenir les infections." } }, { "@type": "Question", "name": "Y a-t-il des moyens de prévenir le cancer de l'ovaire ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi régulier et des antécédents familiaux peuvent aider à la détection précoce." } }, { "@type": "Question", "name": "Comment éviter les complications post-chirurgicales ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Suivre les recommandations médicales et éviter les efforts excessifs aide à prévenir les complications." } }, { "@type": "Question", "name": "Quelles sont les options chirurgicales pour l'endométriose ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les options incluent la laparoscopie pour retirer les lésions et l'hystérectomie." } }, { "@type": "Question", "name": "Comment traiter les fibromes utérins ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent la myomectomie, l'hystérectomie ou des médicaments hormonaux." } }, { "@type": "Question", "name": "Quel est le rôle de la laparoscopie ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "La laparoscopie permet de diagnostiquer et traiter diverses affections gynécologiques." } }, { "@type": "Question", "name": "Quand envisager une hystérectomie ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Une hystérectomie est envisagée en cas de fibromes, cancer ou saignements anormaux persistants." } }, { "@type": "Question", "name": "Quels traitements pour les infections pelviennes ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Les infections pelviennes sont traitées par antibiotiques et parfois chirurgie." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir après une hystérectomie ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent infections, saignements et problèmes urinaires." } }, { "@type": "Question", "name": "Quels risques après une laparoscopie ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Les risques incluent des lésions d'organes, infections et douleurs persistantes." } }, { "@type": "Question", "name": "Comment gérer les complications d'une chirurgie gynécologique ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi médical régulier et une communication ouverte avec le médecin sont essentiels." } }, { "@type": "Question", "name": "Quelles sont les complications possibles des fibromes ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les fibromes peuvent causer des douleurs, des saignements et des complications pendant la grossesse." } }, { "@type": "Question", "name": "Quels effets secondaires des traitements hormonaux ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements hormonaux peuvent entraîner des nausées, des saignements irréguliers et des changements d'humeur." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque de l'endométriose ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent des antécédents familiaux, des menstruations précoces et des cycles menstruels longs." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de fibromes ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "L'obésité, les antécédents familiaux et les déséquilibres hormonaux augmentent le risque de fibromes." } }, { "@type": "Question", "name": "Comment l'âge influence-t-il les risques gynécologiques ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Le risque de nombreuses affections gynécologiques augmente avec l'âge, surtout après 30 ans." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque d'infections pelviennes ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Les rapports sexuels non protégés et les antécédents d'infections augmentent le risque." } }, { "@type": "Question", "name": "Quels facteurs influencent le cancer de l'ovaire ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Les antécédents familiaux, l'âge avancé et certains syndromes génétiques augmentent le risque." } } ] } ] }

Sources (10000 au total)

Clinical Linear Accelerator-Based Electron FLASH: Pathway for Practical Translation to FLASH Clinical Trials.

Ultrahigh-dose-rate (UHDR) radiation therapy (RT) has produced the FLASH effect in preclinical models: reduced toxicity with comparable tumor control compared with conventional-dose-rate RT. Early cli... We tuned the program board of a decommissioned electron energy for UHDR electron delivery on a clinical LINAC without hardware modification. Pulse delivery was controlled using the respiratory gating ... UHDR open-field mean dose rates at 100, 80, 70, and 59 cm SSD were 36.82, 59.52, 82.01, and 112.83 Gy/s, respectively. At 80 cm SSD, mean dose rate was ∼60 Gy/s for all collimated field sizes, with an... Short SSD and tuning for high electron beam current on a standard clinical LINAC can deliver flat, homogenous UHDR electrons over a broad, clinically relevant range of field sizes and depths with prac...

Enabling ultra-high dose rate electron beams at a clinical linear accelerator for isocentric treatments.

Radiotherapy delivery with ultra-high dose rates (UHDR) has consistently produced normal tissue sparing while maintaining efficacy for tumour control in preclinical studies, known as the FLASH effect.... The first Varian TrueBeam (SN 1001) was clinically operative between 2009-2022, it was then decommissioned and converted into a research platform. The 18 MeV electron beam was converted into the exper... The dose per pulse at isocenter was up to 1.28 Gy/pulse, corresponding to average and instantaneous dose rates up to 256 Gy/s and 3⋅10... We report on the first technical conversion of a Varian TrueBeam to produce 16 MeV UHDR electron beams. This research platform will allow isocenter experiments and deliveries with conventional setups ...

Delivery accuracy of VMAT on two beam-matched linacs provided by accelerated go live service.

Dosimetric accuracy is critical when a patient treated with volumetric modulated arc therapy (VMAT) is transferred to another beam-matched linac. To evaluate the performance of Accelerated Go Live (AG... Two VersaHD linacs were installed using the AGL service. After the installation, the beam data such as percentage depth dose (PDD), lateral profiles and output factors for all photon beams were measur... Dose differences in PDDs were all within ± 1% except the entrance region, and the averaged gamma indices of the lateral profiles were within 0.3. The differences in doses as a function of the MLC leaf... We have evaluated the AGL performance in the context of beam characteristics and patient specific QA. It was demonstrated that the AGL service provides an accurate VMAT treatment reproducibility for m...

An independent Monte Carlo-based IMRT QA tool for a 0.35 T MRI-guided linear accelerator.

To develop an independent log file-based intensity-modulated radiation therapy (IMRT) quality assurance (QA) tool for the 0.35 T magnetic resonance-linac (MR-linac) and investigate the ability of vari... The tool for particle simulation (TOPAS) Monte Carlo code was utilized with a previously validated linac head model. A cohort of 29 treatment plans was selected for IMRT QA using the developed QA tool... The median and interquartile range for the TOPAS GPRs (3%/3 mm criteria) were 97.24% and 3.75%, respectively, and were 99.54% and 0.36% for the AQA tool, respectively. The computational time for TOPAS... An independent MC and log file-based IMRT QA tool was successfully developed and can be clinically deployed for offline QA. The complexity metrics will supplement QA reports and provide information re...

Validation of an EGSnrc-based Monte Carlo model for a complex 2D-array for technical QA measurements of a linear accelerator.

Multi-axis ionization chamber arrays can be used for quality assurance (QA) and measurement of linear accelerator (linac) specific data. In this work, the ability of the IC Profiler (Sun Nuclear Corp.... A Monte Carlo-based model of the IC Profiler detector array with Quad Wedge accessories was developed in detail from drawings provided by the manufacturer using the egs++ class library from the EGSnrc... Measurements as well as Monte Carlo simulations confirmed the linear relationship between the area ratio... A Monte-Carlo-based model of the detector array was developed, which could successfully reproduce measurements, demonstrating that even very complex geometries can be modeled in EGSnrc. Moreover, the ...

Modeling linear accelerator (Linac) beam data by implicit neural representation learning for commissioning and quality assurance applications.

Linear accelerator (Linac) beam data commissioning and quality assurance (QA) play a vital role in accurate radiation treatment delivery and entail a large number of measurements using a variety of fi... We propose to model Linac beam data through implicit neural representation (NeRP) learning. The potential of the beam model in predicting beam data from sparse measurements and detecting data collecti... NeRP models with continuous and differentiable functions parameterized by multilayer perceptrons (MLPs) were used to represent various beam data including percentage depth dose (PDD) and profiles of 6... Linac beam data predicted by the model agreed well with water tank measurements, with averaged Gamma passing rates (1%/1 mm passing criteria) higher than 95% and averaged mean absolute errors less tha... A NeRP beam data modeling technique has been established for predicting beam characteristics from sparse measurements. The model provides a valuable tool to verify beam data collection accuracy and pr...

Development of a compact linear accelerator to generate ultrahigh dose rate high-energy X-rays for FLASH radiotherapy applications.

In recent years, the FLASH effect, in which ultrahigh dose rate (UHDR) radiotherapy (RT) can significantly reduce toxicity to normal tissue while maintaining antitumor efficacy, has been verified in m... A 1.65 m long S-band backward-traveling-wave (BTW) electron linac was developed to generate high-current electron beams, supplied by a commercial klystron-based power source. A tungsten-copper electro... The BTW linac generated 300-mA-pulse-current 11 MeV electron beams with 29 kW mean beam power, and the conversion target could sustain this high beam power within a maximum irradiation duration of 0.7... This work demonstrated the feasibility of UHDR X-rays produced by a room-temperature RF linac, and explored the further optimization of system stability. It shows that a simple and compact UHDR X-ray ...