Kataria Tejinder, Gupta Deepak, Basu Trinanjan, Gupta Shivani, Goyal Shikha, Banerjee Susovan, Abhishek Ashu, Bisht Shyam S, Narang Kushal
1 Division of Radiation Oncology, Medanta The Medicity, Gurgaon, India.
2 Department of Radiology and Imaging, Medanta The Medicity, Gurgaon, India.
Br J Radiol. 2016;89(1058):20150661. doi: 10.1259/bjr.20150661. Epub 2015 Dec 9.
In recent years, there has been increasing application of intensity-modulated radiotherapy and stereotactic body radiotherapy for the treatment of abdominal malignancies (stomach, pancreas, liver, spinal metastases). This warrants accurate delineation of organs at risk, especially the duodenum. The tortuous and curvy anatomy of duodenum often indistinguishable from adjoining organs is a practical challenge. Radiation Therapy Oncology Group (RTOG) has already published upper abdominal normal structure contouring guidelines to ease the delineation process. This pictorial essay following the RTOG guideline elaborates the step-by-step identification of the different parts of duodenum in relation to the adjoining important structures.
近年来，调强放射治疗和立体定向体部放射治疗在腹部恶性肿瘤（胃癌、胰腺癌、肝癌、脊柱转移瘤）治疗中的应用日益增加。这就需要准确勾画危及器官，尤其是十二指肠。十二指肠迂曲的解剖结构常常与相邻器官难以区分，这是一个实际挑战。放射肿瘤学组（RTOG）已经发布了上腹部正常结构轮廓勾画指南，以简化勾画过程。这篇图文并茂的文章遵循RTOG指南，详细阐述了与相邻重要结构相关的十二指肠不同部位的逐步识别方法。
