Comparaison du coût de deux techniques de radiothérapie dans les cancers de la prostate à partir de l'étude RCMI pelvis PDF Download
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Author: Ingrid Masson Publisher: ISBN: Category : Languages : fr Pages : 134
Book Description
Objectifs : comparer le coût de la radiothérapie conformationnelle avec modulation d'intensité, entre Rapid'Arc et Tomotherapy, dans les cancers de la prostate. Evaluer la toxicité aiguë. Méthodes : 138 patients ont été analysés dans 14 centres. Les coûts directs réels ont été évalués en micro-costing, du point de vue de l'hôpital, pour les étapes de planification et d'irradiation. Les patients n'étant pas randomisés entre les 2 groupes, les scores de propension ont été utilisés. Résultats : Le coût total du Rapid'Arc (2531 €) est inférieur à celui de la Tomotherapy (3066 €), p
Author: Ingrid Masson Publisher: ISBN: Category : Languages : fr Pages : 134
Book Description
Objectifs : comparer le coût de la radiothérapie conformationnelle avec modulation d'intensité, entre Rapid'Arc et Tomotherapy, dans les cancers de la prostate. Evaluer la toxicité aiguë. Méthodes : 138 patients ont été analysés dans 14 centres. Les coûts directs réels ont été évalués en micro-costing, du point de vue de l'hôpital, pour les étapes de planification et d'irradiation. Les patients n'étant pas randomisés entre les 2 groupes, les scores de propension ont été utilisés. Résultats : Le coût total du Rapid'Arc (2531 €) est inférieur à celui de la Tomotherapy (3066 €), p
Author: Thuy Hong Lam Publisher: ISBN: Category : Languages : fr Pages : 26
Book Description
Chaque année, 6200 cas de cancers de la prostate sont diagnostiqués en Suisse. Cette maladie représente la deuxième cause de mortalité après le cancer du poumon. Aussi, le taux d’incidence peut être observé à partir de 45-49 ans ce qui signifie que ce cancer n’intéresse plus uniquement le sujet âgé. Actuellement, ce cancer peut être traité par deux techniques d’irradiation sophistiquées : tomothérapie ou arc thérapie. Elles permettent, toutes deux, un contrôle local tumoral et une épargne des organes à risques alentours. Objectif : Réalisation d’une étude dosimétrique comparative entre deux techniques d’irradiation : tomothérapie et arc thérapie. Le but étant de confronter nos résultats avec la littérature. Méthodologie : Réalisation de deux planifications (tomothérapie et arc thérapie), chez trois patients différents atteints d’un cancer à bas risque. Le schéma thérapeutique recommandé par la Société Française de Radiothérapie Oncologique (SFRO) est de 74 Gy divisé en 37 fractions de 2 Gy. Résultats : Plusieurs résultats intéressants peuvent être relevés dans notre étude. Les contraintes de dose, concernant le volume cible et les organes à risques, ont été respectées dans les deux modalités. Cependant, les analyses qualitatives et quantitatives des résultats montrent une couverture du volume cible plus optimale dans le cas du VMAT. Les organes à risques sont, toutefois, davantage protégés avec la tomothérapie. Conclusion : Les différences observées à l’issue de notre étude ne découlent en aucun cas du choix de la technique d’irradiation utilisée, mais principalement de l’expérience du planificateur.
Author: K. S. Clifford Chao Publisher: Lippincott Raven ISBN: Category : Medical Languages : en Pages : 200
Book Description
The first clinical book on the hottest topic in radiation oncology, this timely teaching text offers step-by-step guidance in use of IMRT for cancers at each subsite of the head and neck. The book's high-end content gives readers the clinical decision-making expertise and technical proficiency to incorporate this state-of-the-art radiation treatment technique into practice. Unique to this text is the site-specific instruction on target determination and delineation, to ensure adequate treatment of the tumor target while sparing adjacent normal tissue. More than 250 detailed full-color and black-and-white illustrations clarify each step in clinical implementations of head and neck cancer treatment, especially IMRT. The book provides a concise, pertinent overview of the natural course, lymph node spread, diagnostic criteria, and therapeutic options for each head and neck cancer subsite. Numerous tables provide extensive summaries of the IMRT literature. Figures with succinct explanatory text demonstrate the patterns of direct tumor extension and nodal metastasis with which target volumes are determined and delineated. Clinical outcomes for patients treated with IMRT and with conventional techniques are also included.
Author: Hashim Uddin Ahmed Publisher: John Wiley & Sons ISBN: 1405196491 Category : Medical Languages : en Pages : 213
Book Description
This book comprehensively reviews the potential of focal therapy and discusses why the changing face of prostate cancer warrants a change in the way we treat men with the disease. It deals with the mechanisms by which disease can be localized within the gland and then the different technologies used for focal ablation. Bringing together eminent contributors in one accessible reference, this book introduces focal therapy to all urologists, oncologists, and radiologists who are involved in the treatment of men with prostate cancer.
Author: Jan Ehrhardt Publisher: Springer Science & Business Media ISBN: 3642364411 Category : Science Languages : en Pages : 352
Book Description
Respiratory motion causes an important uncertainty in radiotherapy planning of the thorax and upper abdomen. The main objective of radiation therapy is to eradicate or shrink tumor cells without damaging the surrounding tissue by delivering a high radiation dose to the tumor region and a dose as low as possible to healthy organ tissues. Meeting this demand remains a challenge especially in case of lung tumors due to breathing-induced tumor and organ motion where motion amplitudes can measure up to several centimeters. Therefore, modeling of respiratory motion has become increasingly important in radiation therapy. With 4D imaging techniques spatiotemporal image sequences can be acquired to investigate dynamic processes in the patient’s body. Furthermore, image registration enables the estimation of the breathing-induced motion and the description of the temporal change in position and shape of the structures of interest by establishing the correspondence between images acquired at different phases of the breathing cycle. In radiation therapy these motion estimations are used to define accurate treatment margins, e.g. to calculate dose distributions and to develop prediction models for gated or robotic radiotherapy. In this book, the increasing role of image registration and motion estimation algorithms for the interpretation of complex 4D medical image sequences is illustrated. Different 4D CT image acquisition techniques and conceptually different motion estimation algorithms are presented. The clinical relevance is demonstrated by means of example applications which are related to the radiation therapy of thoracic and abdominal tumors. The state of the art and perspectives are shown by an insight into the current field of research. The book is addressed to biomedical engineers, medical physicists, researchers and physicians working in the fields of medical image analysis, radiology and radiation therapy.
Author: Katsuyuki Taguchi Publisher: CRC Press ISBN: 0429942001 Category : Technology & Engineering Languages : en Pages : 446
Book Description
Spectral, Photon Counting Computed Tomography is a comprehensive cover of the latest developments in the most prevalent imaging modality (x-ray computed tomography (CT)) in its latest incarnation: Spectral, Dual-Energy, and Photon Counting CT. Disadvantages of the conventional single-energy technique used by CT technology are that different materials cannot be distinguished and that the noise is larger. To address these problems, a novel spectral CT concept has been proposed. Spectral Dual-Energy CT (DE-CT) acquires two sets of spectral data, and Spectral Photon Counting CT (PC-CT) detects energy of x-ray photons to reveal additional material information of objects by using novel energy-sensitive, photon-counting detectors. The K-edge imaging may be a gateway for functional or molecular CT. The book covers detectors and electronics, image reconstruction methods, image quality assessments, a simulation tool, nanoparticle contrast agents, and clinical applications for spectral CT.
Book Description
The proceedings of the Fourth International Workshop on Pulmonary Image Analysis, held in conjunction with the MICCAI 2011 meeting in Toronto, Canada, on September 18, 2011
Author: Bram van Ginneken Publisher: ISBN: 9781453759394 Category : Languages : en Pages : 330
Book Description
This book contains the proceedings of Medical Image Analysis for the Clinic - A Grand Challenge, a workshop that was part of MICCAI 2010, the 13th International Conference on Medical Image Computing and Computer Assisted Intervention, and was held in Beijing, China, on September 24, 2010. This is the fourth edition of the Grand Challenges in Medical Image Analysis workshops held during MICCAI since 2007. The proceedings contain papers on three challenges: EMPIRE10 (Evaluation of Methods for Pulmonary Image Registration 2010, http://empire10.isi.uu.nl); SKI10 (Segmentation of Knee Images 2010, http://www.ski10.org); Head & Neck Auto-segmentation Challenge 2010: Segmentation of the Parotid Glands (http://www.grand-challenge2010.ca/)
Author: Ingrid Masson
Author: Ingrid Masson
Author: Thuy Hong Lam
Author: K. S. Clifford Chao
Author: Edward Jackson
Author: Hashim Uddin Ahmed
Author: Charles Hayter
Author: Jan Ehrhardt
Author: Katsuyuki Taguchi
Author: Reinhard Beichel
Author: Bram van Ginneken