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: " Optimal organ-sparing intensity-modulated radiation therapy (IMRT) regimen for the treatment of locally advanced anal canal carcinoma: a comparison of conventional and IMRT plans. | Radiation Oncology BioMed Central Open Access Optimal organ-sparing intensity-modulated radiation therapy IMRT regimen for the treatment of locally advanced anal canal carcinoma a comparison of conventional and IMRT plans Cathy Menkarios1 2 David Azria 2 Benoit Laliberté1 2 Carmen Llacer Moscardo2 Sophie Gourgou3 Claire Lemanski2 Jean- Bernard Dubois2 Norbert Aillères2 and Pascal Fenoglietto2 Address 1Département de Radio-Oncologie Hôpital Maisonneuve-Rosemont Montréal Canada. 2Département d Oncologie Radiothérapie et de Radiophysique CRLC Val d Aurelle-Paul Lamarque Montpellier France. and 3Unité de Biostatistiques CRLC Val d Aurelle-Paul Lamarque Montpellier France. Email Cathy Menkarios - cathymenkarios@ David Azria - azria@ Benoit Laliberté - blaliberte@ Carmen Llacer Moscardo - Sophie Gourgou - sgourgou@ Claire Lemanski - clemanski@ Jean-Bernard Dubois - jbdubois@ Norbert Aillères - Pascal Fenoglietto - pfenoglietto@ Corresponding author Published 15 November 2007 Received 10 August 2007 Accepted 15 November 2007 Radiation Oncology 2007 2 41 doi l748-7l 7X-2-4I This article is available from http content 2 l 4l 2007 Menkarios 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 To compare the dosimetric advantage of three different intensity-modulated radiation therapy IMRT plans to a three dimensional 3D conventional radiation treatment for anal cancer with regards to organs-at-risk OAR avoidance including iliac bone marrow. Methods Five patients with Tl-3 N0-l anal cancer and five with T4 and .