Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Radiation Oncology cung cấp cho các bạn kiến thức về ngành y đề tài: " Influence of different treatment techniques on radiation dose to the LAD coronary artery. | Radiation Oncology BioMed Central Research Influence of different treatment techniques on radiation dose to the LAD coronary artery Carsten Nieder 1 Sabine Schill2 Peter Kneschaurek2 and Michael Molls2 Open Access Address Radiation Oncology Unit Nordlandssykehuset HF 8092 Bod0 Norway and 2Department of Radiation Oncology Klinikum rechts der Isar der Technischen Universitat Munchen Ismaninger Str. 22 81675 Munich Germany Email Carsten Nieder - Sabine Schill - radiotherapy@ Peter Kneschaurek - Michael Molls - klinik-fuer-strahlentherapie@ Corresponding author Published 5 June 2007 Received 28 March 2007 Radiation Oncology 2007 2 20 doi 1748-717X-2-20 Accepted 5 June 2007 This article is available from http content 2 1 20 2007 Nieder et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background The purpose of this proof-of-principle study was to test the ability of an intensity-modulated radiotherapy IMRT technique to reduce the radiation dose to the heart plus the left ventricle and a coronary artery. Radiation-induced heart disease might be a serious complication in long-term cancer survivors. Methods Planning CT scans from 6 female patients were available. They were part of a previous study of mediastinal IMRT for target volumes used in lymphoma treatment that included 8 patients and represent all cases where the left anterior descending coronary artery LAD could be contoured. We compared 6 MV AP PA opposed fields to a 3D conformal 4-field technique and an optimised 7-field step-and-shoot IMRT technique and evaluated DVH s for several structures. The planning system was BrainSCAN BrainLAB .
