TY - JOUR AU - Zhang, Guifang AU - Han, Dali AU - Ma, Changsheng AU - Lu, Jie AU - Sun, Tao AU - Liu, Tonghai AU - Zhu, Jian AU - Zhou, Jingwei AU - Yin, Yong PY - 2015 DA - 2015/01/09 TI - Gradient-based delineation of the primary GTV on FLT PET in squamous cell cancer of the thoracic esophagus and impact on radiotherapy planning JO - Radiation Oncology SP - 11 VL - 10 IS - 1 AB - To validate a gradient-based segmentation method for gross tumor volume(GTV) delineation on 8F-fluorothymidine (FLT)positron emission tomography (PET)/ computer tomography (CT) in esophageal squamous cell cancer through pathologic specimen, in comparison with standardized uptake values (SUV) threshold-based methods and CT. The corresponding impact of this GTV delineation method on treatment planning was evaluated. SN - 1748-717X UR - https://doi.org/10.1186/s13014-014-0304-5 DO - 10.1186/s13014-014-0304-5 ID - Zhang2015 ER -