Vinagre F L R, Simões P C P S, Rachinhas P J B M
Serviço de Radioterapia, Hospitais da Universidade de Coimbra, Praceta Prof. Mota Pinto, 3000-075 Coimbra, Portugal.
Phys Med. 2009 Sep;25(3):154-9. doi: 10.1016/j.ejmp.2009.02.002. Epub 2009 Mar 19.
Dose homogeneity in head and neck tumour irradiation is a challenging task for conventional radiotherapy due to large anatomic contour irregularities and tissue heterogeneities in irradiation volumes. We present a simple technique based on the omni-wedge concept which uses superimposed fields, orthogonally wedged, to improve target-volumes homogeneity in head and neck tumour irradiation. The routine implementation of this technique is straightforward and easy to achieve with standard radiotherapy equipment and treatment planning software. Our five-year experience in the clinical implementation of this technique is presented.
由于头颈部肿瘤照射体积内存在较大的解剖轮廓不规则性和组织异质性，对于传统放疗而言，实现剂量均匀性是一项具有挑战性的任务。我们提出了一种基于全楔形概念的简单技术，该技术使用正交楔形的叠加野来改善头颈部肿瘤照射中靶区体积的均匀性。这项技术的常规实施很简单，使用标准放疗设备和治疗计划软件即可轻松实现。本文介绍了我们在临床实施这项技术方面的五年经验。
