Letteratura scientifica selezionata sul tema "Voies biliaires – Imagerie"
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Articoli di riviste sul tema "Voies biliaires – Imagerie"
Colombe, Philippe, e Harriet Hahn. "Imagerie du foie et des voies biliaires". Le Nouveau Praticien Vétérinaire canine & féline 20, n. 83 (maggio 2023): 16–25. http://dx.doi.org/10.1051/npvcafe/2023021.
Testo completoLaurent, V. "Imagerie des voies biliaires". Journal de Radiologie 90, n. 10 (ottobre 2009): 1399. http://dx.doi.org/10.1016/s0221-0363(09)75518-0.
Testo completoArrivé, L. "Imagerie des voies biliaires". Journal de Radiologie 86, n. 4 (aprile 2005): 431. http://dx.doi.org/10.1016/s0221-0363(05)81378-2.
Testo completoRégent, D. "Imagerie des voies biliaires". Journal de Radiologie 87, n. 4 (aprile 2006): 411–12. http://dx.doi.org/10.1016/s0221-0363(06)74023-9.
Testo completoLaurent, V., A. Ayav, C. Hoeffel, O. Bruot, P.-A. Ganne, J. Mathias e D. Régent. "Imagerie des voies biliaires opérées". Journal de Radiologie 90, n. 7-8 (luglio 2009): 905–17. http://dx.doi.org/10.1016/s0221-0363(09)73231-7.
Testo completoSchmutz, Gérard, Nicole Bouvard, L. u. c. Fournier, Stéphane Hue, Laurence Chiche e Ephrem Salame. "Imagerie des voies biliaires intrahépatiques". EMC - Radiologie et imagerie médicale - Abdominale - Digestive 17, n. 4 (1999): 1–17. https://doi.org/10.1016/s1879-8527(20)30023-x.
Testo completoLaurent, V., A. Ayav, O. Bruot, P. A. Ganne e D. Régent. "Imagerie post-operatoire des voies biliaires". Journal de Radiologie 89, n. 10 (ottobre 2008): 1374–75. http://dx.doi.org/10.1016/s0221-0363(08)76146-8.
Testo completoErnst, O., e M. Zins. "Imagerie du foie des voies biliaires et du pancréas". Journal de Radiologie 87, n. 5 (maggio 2006): 584. http://dx.doi.org/10.1016/s0221-0363(06)74050-1.
Testo completoHoeffel, C., L. Azizi, M. Lewin, T. Bouras, L. Arrivé e J. M. Tubiana. "4404 Imagerie des voies biliaires operees en bili-IRM". Journal de Radiologie 87, n. 10 (ottobre 2006): 1185. http://dx.doi.org/10.1016/s0221-0363(06)86661-8.
Testo completoLegmann, P. a. u. l., Olivier Vignaux, Joëlle Augui, A. n. n. e. Clément, A. m. a. r. Oudjit, Souhila Benkanoun, Anne-Élodie Millischer, Stéphane Silvera e André Bonnin. "Exploration par imagerie de la vésicule et des voies biliaires". EMC - Radiologie et imagerie médicale - Abdominale - Digestive 19, n. 1 (2001): 1–11. https://doi.org/10.1016/s0246-0610(01)00024-x.
Testo completoTesi sul tema "Voies biliaires – Imagerie"
Sananes, Jean-Christophe. "Exploration IRM des voies biliaires : intérêt de la séquence Haste". Bordeaux 2, 1994. http://www.theses.fr/1994BOR23011.
Testo completoEssamlali, Abdelhadi. "Reconstruction 3D des voies biliaires pour l’amélioration de la CholangioPancréatographie Rétrograde par voie Endoscopique (CPRE)". Electronic Thesis or Diss., Compiègne, 2024. http://www.theses.fr/2024COMP2841.
Testo completoThis thesis addresses the challenge of improving Endoscopic Retrograde Cholangiopancreatography (ERCP) by proposing an advanced method for 3D reconstruction of bile ducts. Current ERCP techniques face significant limitations, mainly due to the difficulty of visualizing bile ducts using 2D images, which can lead to planning errors and complications during interventions. The use of 3D reconstruction of bile ducts from MR cholangiography (MRCP) images presents a promising solution to overcome these challenges. The thesis introduces a novel approach for automatic segmentation called BDU-Net, based on the U-Net architecture and specifically tailored to MRCP images. The performance of BDU-Net was compared with other reference segmentation models, such as V-Net and U-Net++, using quantitative metrics like the Dice score and Hausdorff distance, as well as a qualitative assessment by experts. The results show a significant improvement in the accuracy of 3D reconstructions with BDU-Net. Additionally, the thesis explores the impact of various preprocessing methods for MRCP images, including dynamic cropping, to enhance the segmentation quality. This preprocessing step improves the visualization of bile duct structures and enhances 3D reconstruction, especially in complex cases. Beyond segmentation contributions, the thesis also presents a plugin called CPRE Pro, developed for the 3DSlicer platform. This tool integrates 3D reconstructions into the clinical workflow, facilitating ERCP planning. With an intuitive interface, clinicians can interact with MRCP images, perform automatic segmentations, and visualize bile duct anatomy in 3D, thus improving clinical decision-making and intervention planning
Guibaud, Laurent. "Évaluation d'une nouvelle technique d'imagerie des voies bilio-pancréatiques : la cholangio-IRM". Lyon 1, 1998. http://www.theses.fr/1998LYO1T031.
Testo completoBoucaud, Laurent de. "Comparaison de l'IRM avec cholangiopancréatographie-IRM et de l'échoendoscopie dans la pathologie biliopancréatique". Bordeaux 2, 1998. http://www.theses.fr/1998BOR23039.
Testo completoBecq, Aymeric. "Élaboration et mise en pratique préclinique d'outils robotiques d'assistance à la réalisation d'une cholangiopancréatographie rétrograde par voie endoscopique : Projet MAGIE : Modèle d'Assistance au Geste Interventionnel en Endoscopie". Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS068.
Testo completoEndoscopic retrograde cholangiopancreatography (ERCP) is a minimally invasive interventional endoscopic procedure whose objective is to provide treatment within the bile ducts. The two main pathologies treated are stone disease and biliopancreatic tumors.The interpretation of the biliary anatomy in the setting of strictures located at the level of the upper biliary convergence (peri-hilar region) and the manipulation of the guide wire in this complex biliary anatomy greatly limit the procedures success, which pushed us to develop new tools to better navigate within the bile ducts. We focused during this thesis work on the modelization of the bile ducts by 3D segmentation-reconstruction, on assisted localization of ERCP instruments by 2D-3D registration and tracking and, finally, the design and validation of active instruments.We performed manual segmentations of biliary trees from biliary MRI images for cases of malignant perihilar strictures. Based on these segmentations, a retrospective study analyzing the management of these patients showed the limits of current 2D ERCP with a high number of unnecessary contrast injections, unnecessary or poorly placed biliary stents, as well as unwarranted repeat ERCPs. 3D reconstruction could improve the endoscopic technique. Collaborative work with a specialized team was initiated to develop automated segmentation-reconstruction. The first results are encouraging although not as performant as the manual ground truth. The database is being increased with more cases that will strengthen the deep learning.The second objective of this work was the automatic intraoperative 3D tracking and localization of instruments within complex bile ducts. Here we wanted to develop a real-time assistance system explicitly indicating the intra-hepatic sector where the guide wire is located. A first step, based on artificial intelligence, consisted of developing an automatic segmentation of the guide wire in the 2D fluoroscopy image. The CNN models developed by a specialized team allows the segmentation of a significant portion of the instruments at this stage.The second step consisted on the development and testing of an algorithm for intraoperative localization of the guide wire. Based on the fusion between 3D anatomical reconstruction and segmentation of the guidewire in the 2D image, a program was developed which gives a localization probability. The sensitivity of the algorithm is 91%. In the case of complex biliary trees, lower performances are seen, but remain high with a sensitivity of 86%. Future developments are underway to render the algorithm more reliable.The third objective of this work was to contribute to the emergence of a new generation of guide wires which can be actively oriented in space in order to navigate more easily within the biliary tree, pathological or not. We relied here on shape memory alloy technology. 3D models of the biliary tree were printed using the manual segmentations. A model duplicating the complete CPRE environment, called ‘CPRE-model', was designed and then manufactured in order to be able to test the intelligent guidewires. A first series of tests compared an intelligent guidewire (Gecko 35Ⓡ, BCV) to two guidewires used in current practice. Overall, the first manipulations show feasibility with catheterization of the majority of intrahepatic sectors. After printing new models and improving the CPRE model, a second series of tests with other experts will be carried out
Libri sul tema "Voies biliaires – Imagerie"
Ernst, Olivier. Imagerie du foie, des voies biliaires et du pancréas. Paris: Masson, 2005.
Cerca il testo completoNahum, Henri, Valérie Vilgrain e Yves Menu. Imagerie du foie, des voies biliaires, du pancréas et de la rate. Flammarion Médecine, 2002.
Cerca il testo completoCapitoli di libri sul tema "Voies biliaires – Imagerie"
Laurent, Valérie. "Cancers des voies biliaires". In Imagerie du Foie, 219–34. Elsevier, 2024. http://dx.doi.org/10.1016/b978-2-294-78562-7.00022-9.
Testo completoShaaban, Akram M., Maryam Rezvani e Philip R. Chapman. "Carcinome intrahépatique des voies biliaires". In Imagerie Oncologique, 436–49. Elsevier, 2022. http://dx.doi.org/10.1016/b978-2-294-77099-9.00029-6.
Testo completoFrampas, Éric. "Imagerie diagnostique des lésions congénitales des voies biliaires". In Imagerie du Foie, 201–10. Elsevier, 2024. http://dx.doi.org/10.1016/b978-2-294-78562-7.00020-5.
Testo completoTouloupas, Caroline, Isabelle Boulay-Coletta, Alexandre Delpla, Emna Younsi, Marc Zins e Mohamed Amine Haouari. "Imagerie diagnostique des lésions mucineuses kystiques des voies biliaires". In Imagerie du Foie, 235–44. Elsevier, 2024. http://dx.doi.org/10.1016/b978-2-294-78562-7.00023-0.
Testo completoMulé, Sébastien. "Comment je fais un scanner du foie et des voies biliaires ?" In Imagerie du Foie, 39–46. Elsevier, 2024. http://dx.doi.org/10.1016/b978-2-294-78562-7.00004-7.
Testo completoWagner, Mathilde. "Comment je fais une IRM du foie et des voies biliaires ?" In Imagerie du Foie, 47–56. Elsevier, 2024. http://dx.doi.org/10.1016/b978-2-294-78562-7.00005-9.
Testo completoDanse, Étienne, Cristina Anca Dragean, Pierre Tréfois, Sandy Van Nieuwenhove, Vasiliki Passoglou, Damienne Vande Berg e Laurence Annet. "Comment je fais une échographie du foie et des voies biliaires ?" In Imagerie du Foie, 13–24. Elsevier, 2024. http://dx.doi.org/10.1016/b978-2-294-78562-7.00002-3.
Testo completoFranchi-Abella, S., e D. Pariente. "Imagerie normale et pathologique du foie et des voies biliaires". In Hépatologie de L'enfant, 15–20. Elsevier, 2018. http://dx.doi.org/10.1016/b978-2-294-75788-4.00003-2.
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