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Methodologie Devaluation Des Impacts Cliniques Et Dosimetriques Dun Changement De Procedure En Radiotherapie
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Book Synopsis Méthodologie d'évaluation des impacts cliniques et dosimétriques d'un changement de procédure en radiothérapie by : Abdulhamid Chaikh
Download or read book Méthodologie d'évaluation des impacts cliniques et dosimétriques d'un changement de procédure en radiothérapie written by Abdulhamid Chaikh and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction et objectif : La prescription des traitements en radiothérapie est basée sur l'analyse de la répartition de dose calculée par le TPS. Un changement d'algorithme de calcul doit être précédé d'une analyse dosimétrique complète, afin que les impacts cliniques soient maitrisés. Nous présentons une méthodologie de mise en œuvre d'un nouveau TPS. Matériel et méthodologie : Nous avons utilisé 5 algorithmes de calcul de dose. Nous avons comparé 6 plans de traitement avec des configurations identiques : patient, énergie, balistique. Nous avons comparé 12 localisations tumorales : 5 poumons, 1 œsophage, 1 sein, 3 ORL, 1 encéphales et 1 prostate. Le principe de méthodologie est basé sur deux critères d'analyse : 1.Critère d'analyse dosimétrique : nous avons classé les outils d'analyse en 3 catégories : analyse liée à la dose de traitement, analyse liée à la distribution de dose et analyse liée à la répartition de la dose 2.Critère d'analyse statistique : nous avons considéré que nous avons 5 séries de mesure liée à 5 algorithmes. Nous avons considéré les valeurs dosimétriques calculées par l'ancien algorithme comme valeurs de référence. Le test de comparaison statistique utilisé était un Wilcoxon pour série apparié avec un seuil de signification de 5% et un intervalle de confiance à 95%. Résultats et discussion : Nous avons trouvé des écarts pour tous les paramètres comparés dans cette étude. Ces écarts dépendent de la localisation de la tumeur et de l'algorithme de calcul. La maîtrise statistique des résultats nous permet, d'une part de diagnostiquer et interpréter les écarts dosimétriques observés et d'autre part, de déterminer si les écarts sont significatifs. Conclusion : Nous proposons une méthodologie qui permet de quantifier d'éventuels écarts dosimétriques lors d'un changement d'algorithme. L'analyse statistique permet de s'assurer que les résultats sont significatifs.
Download or read book Nuclear Safety written by Jyuji Misumi and published by CRC Press. This book was released on 1998-11-11 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: For many years, as a direct result of international governmental concern, the nuclear power industry has been at the forefront of industrial safety. This text represents a cross-disciplinary look at the human factors developments in this industry, with wider applications for the entire industrial sector. Technical, psychological and social aspects
Book Synopsis Tg 1 - Acceptance Testing and Quality Assurance Procedures for Magnetic Resonance Imaging Facilities by : Edward Jackson
Download or read book Tg 1 - Acceptance Testing and Quality Assurance Procedures for Magnetic Resonance Imaging Facilities written by Edward Jackson and published by . This book was released on 2010-12-01 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Intensity Modulated Radiation Therapy for Head and Neck Cancer by : K. S. Clifford Chao
Download or read book Intensity Modulated Radiation Therapy for Head and Neck Cancer written by K. S. Clifford Chao and published by Lippincott Raven. This book was released on 2003 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Radiotherapy in Clinical Practice by : H. F. Hope-Stone
Download or read book Radiotherapy in Clinical Practice written by H. F. Hope-Stone and published by Butterworth-Heinemann. This book was released on 1986 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Early Breast Cancer by : John R Benson
Download or read book Early Breast Cancer written by John R Benson and published by CRC Press. This book was released on 2013-01-03 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: First Prize, BMA Medical Book Awards 2013Breast cancers are now detected earlier and are thus more likely to be confined to the breast itself and regional nodes. Many of these tumours will have minimal proclivity for hematogenous dissemination and formation of micrometastases. On the other hand, some patients have micrometastatic diseases which can
Book Synopsis National and International Standardization of Radiation Dosimetry by : International Atomic Energy Agency
Download or read book National and International Standardization of Radiation Dosimetry written by International Atomic Energy Agency and published by . This book was released on 1978 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Element of Hope written by Charles Hayter and published by McGill-Queen's Press - MQUP. This book was released on 2005-05-12 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Charles Hayter chronicles the work of Canadian provinces in establishing the cancer programs that remain the framework for modern systems. Focusing on the compromises these programs required, which anticipated later conflicts over Medicare, Hayter concludes by revealing the historical roots of current problems in cancer care.
Book Synopsis Proceedings of the First International Congress of Radiation Protection by :
Download or read book Proceedings of the First International Congress of Radiation Protection written by and published by . This book was released on 1968 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microdosimetry by : Lennart Lindborg
Download or read book Microdosimetry written by Lennart Lindborg and published by CRC Press. This book was released on 2020-10-02 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental microdosimetry deals with the measurement of charged particle energy deposition in tissue equivalent volumes, ranging in size from nanometres to micrometres. Microdosimetry is employed to improve our understanding of the relationship between radiation energy deposition, the resulting biological effects, and the appropriate quantities to be used in characterizing and quantifying radiation quality. Although many reviews and contributions to the field have been published over the past fifty years, this new book is the first to provide a single, up to date, and easily accessible account of experimental microdosimetry. This book is designed to be used in medical, radiation, and health physics courses and by Master's and PhD students. In addition to serving as an introductory text to the field for graduate students, this book will also be of interest as a teaching and reference resource for graduate supervisors and established researchers. Drs. Lennart Lindborg and Anthony Waker have spent a life-time career in experimental microdosimetry research in academic, industrial and regulatory environments and have observed the development of the field from its early days as a recognized discipline; they bring to this book particular knowledge and experience in the design, construction, operation and use of tissue equivalent gas ionization counters and chambers.
Book Synopsis Atomic Energy Programs by : U.S. Atomic Energy Commission
Download or read book Atomic Energy Programs written by U.S. Atomic Energy Commission and published by . This book was released on 1973 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
