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Radiotherapie Stereotaxique Par Petits Faisceaux De Rayons X De Haute Energie
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Book Synopsis Radiothérapie stéréotaxique par petits faisceaux de rayons x de haute énergie by : Daniel Alejandro Mazal
Download or read book Radiothérapie stéréotaxique par petits faisceaux de rayons x de haute énergie written by Daniel Alejandro Mazal and published by . This book was released on 1990 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: CE TRAVAIL PORTE SUR LE DEVELOPPEMENT DES MOYENS TECHNIQUES ET DOSIMETRIQUES NECESSAIRES A LA MISE EN APPLICATION DE LA RADIOTHERAPIE STEREOTAXIQUE, PAR CONVERGENCE DE PETITS FAISCEAUX DE PHOTONS (DIAMETRE COMPRIS ENTRE 10 ET 40 MM) DE HAUTE ENERGIE (6-25 MV), PRODUITS PAR UN ACCELERATEUR LINEAIRE. CES IRRADIATIONS SONT EMPLOYEES POUR LE TRAITEMENT DE PETITS VOLUMES CIBLES INTRACRANIENS (TUMEURS, MALFORMATIONS ARTERIOVEINEUSES...). LES ASPECTS DOSIMETRIQUES, MECANIQUES ET INFORMATIQUES ONT ETE ANALYSES. LES CARACTERISTIQUES DOSIMETRIQUES SPECIFIQUES DES PETITS FAISCEAUX DE PHOTONS DE HAUTE ENERGIE SONT LIEES AU MANQUE D'EQUILIBRE ELECTRONIQUE. LE MAXIMUM DES COURBES DE RENDEMENT EN PROFONDEUR S'APPROCHE DE LA SURFACE ET LE DEBIT DIMINUE DE FACON ABRUPTE LORSQUE LE DIAMETRE DU FAISCEAU DIMINUE. LES PROFILS DES FAISCEAUX ONT DES GRADIENTS ELEVES, PAR EX. JUSQU'A 30%/MM POUR UN FAISCEAU DE 10 MM DE DIAMETRE A 23 MV. LES MESURES ONT ETE FAITES PAR CHAMBRES D'IONISATION, FILMS, THERMOLUMINESCENCE ET DIODES; ELLES ONT ETE VALIDEES PAR CALCUL INFORMATIQUE EN SUPERPOSANT DES MATRICES DE DISPERSION DE DOSE GENEREE PAR LA METHODE DE MONTE CARLO. LES CHAMBRES ET LES FILMS ONT ETE RETENUS POUR LA DOSIMETRIE DES FAISCEAUX POUR L'APPLICATION CLINIQUE. L'UTILISATION DES CHAMBRES D'IONISATION CYLINDRIQUES EN LES IRRADIANT PARALLELEMENT A LEUR AXE PRINCIPAL A ETE ANALYSEE. UN SYSTEME ADDITIONNEL DE COLLIMATION ET UN REGLAGE MICROMETRIQUE DE L'ISOCENTRISME DU SYSTEME STEREOTAXIQUE ONT ETE DEVELOPPES. UN ENSEMBLE DE LOGICIELS A ETE DEVELOPPE POUR LA SIMULATION DES INFORMATIONS ANATOMIQUES, LES CALCULS DE DISTRIBUTION DE DOSE DANS DES PLANS ARBITRAIRES ET DES HISTOGRAMMES DOSE-VOLUME. ILS ONT ETE UTILISES POUR ANALYSER L'INCIDENCE DES PARAMETRES GEOMETRIQUES ET PHYSIQUES SUR LA DISTRIBUTION FINALE DE DOSE, AINSI QUE POUR LES APPLICATIONS CLINIQUES, QUI ONT DEBUTE EN JANVIER 1990
Book Synopsis Radiation Protection in the Design of Radiotherapy Facilities by : International Atomic Energy Agency
Download or read book Radiation Protection in the Design of Radiotherapy Facilities written by International Atomic Energy Agency and published by IAEA. This book was released on 2006 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides practical guidance regarding the design and shielding of radiotherapy facilities. Methods for determining the necessary structural shielding for external beam units (cobalt-60 units, linear accelerators, superficial and orthovoltage units, and simulators), as well as for brachytherapy units, are described.
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.
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.
Download or read book ICRP Publication 99 written by ICRP, and published by SAGE Publications Limited. This book was released on 2006-10-02 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report considers the evidence relating to cancer risk associated with exposure to low doses of low linear energy transfer radiation, and particularly doses below current recommended limits for protection of radiation workers and the general public. The focus is on evidence regarding linearity of the dose–response relationship for all cancers considered as a group, but not necessarily individually, at low doses [the so-called linear, non-threshold (LNT) hypothesis]. It looks at the possibility of establishing a universal threshold dose below which there is no risk of radiation-related cancer. The report is organised by scientific discipline, beginning with epidemiological studies of exposed human populations.
Book Synopsis Diseases of the Orbit by : Ira Snow Jones
Download or read book Diseases of the Orbit written by Ira Snow Jones and published by HarperCollins Publishers. This book was released on 1979 with total page 1208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diagnosis and Management of Orbital Tumors by : Jerry A. Shields
Download or read book Diagnosis and Management of Orbital Tumors written by Jerry A. Shields and published by . This book was released on 1989 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed account of the various tumors, inflammatory disorders, and related conditions affecting the orbit. Each discussion of a specific tumor includes the definition, incidence, clinical features, diagnostic approaches, pathology, management, and prognosis. Generously illustrated with clinical photographs, computed tomograms, and MR images to facilitate the recognition of tumors in practice.
