多层螺旋CT三维重建对胃癌术前分期的价值
邵华;梁宏元
【期刊名称】《现代肿瘤医学》 【年(卷),期】2018(026)004
【摘要】Objective:To evaluate the accuracy of multi-slice spiral computed tomography (MSCT)with three-dimensional reconstruction in the preoperative staging of gastric cancer,and its benefit to choice of therapeutic modality of gastric cancer.Methods:Sixty-four patients with gastric cancer proved by endoscopic biopsy in the Gastrointestinal and Nutritional Department of Shengjing Hospital Affiliated to China Medical University were collected into this study from August 2010 to October 2011.All the patients underwent MSCT in a preoperative week and all of the data sets were transmitted to workstation after being reconstructed in 1-mm section and 1-mm interval.Two radiologists with over 5 years experience took the charge of dealing with the data sets for multi-planar reconstruction (MpR).Furthermore,it was analyzed by 1 experienced radiologist and 1 experienced generalsurgeon majoring in transverse and MpR images.Evaluate the depth of tumor invasion (T staging) and regional lymph node involvement (N staging).MSCT findings were compared with pathologic results which served as the reference standard.Sensitivity,specificity and accuracy were also assessed.Results:Detection rate of primary tumors with transverse and