目的:探讨肝脏肿瘤射频消融术后3.0 T MRI及CT在消融病灶疗效评估与随访中的应用。方法:回顾性分析2017年12月至2018年6月本院收治的75例行射频消融术肝脏恶性肿瘤患者的临床及影像学资料。所有患者术后均行肝脏多层螺旋CT及3.0 T MRI检...目的:探讨肝脏肿瘤射频消融术后3.0 T MRI及CT在消融病灶疗效评估与随访中的应用。方法:回顾性分析2017年12月至2018年6月本院收治的75例行射频消融术肝脏恶性肿瘤患者的临床及影像学资料。所有患者术后均行肝脏多层螺旋CT及3.0 T MRI检查,根据改良实体瘤疗效评价标准(mRECIST),应用受试者工作特征曲线(ROC曲线)分析两种不同影像学检查对射频消融术后局部疗效评价的价值。结果:CT和3.0 T MRI诊断肝脏肿瘤消融术后肿瘤局部疗效的ROC曲线下面积分别为0.733和0.917。CT图像评价肿瘤局部疗效的敏感度、特异度、准确度分别为86.7%、60%、81%,3.0 T MRI的分别为93.3%、90%、96%。结论:3.0 T MRI在评估行肿瘤射频消融术后局部疗效方面明显优于CT,能准确且及时地对病灶进行评估,对疾病的诊疗和预后有重要的临床意义。展开更多
By using an alternative processing method for satellite infrared remote sensing data and adopting the China Geostationary Meteorological Satellite(FY-2C) infrared remote sensing brightness temperature data,we studied ...By using an alternative processing method for satellite infrared remote sensing data and adopting the China Geostationary Meteorological Satellite(FY-2C) infrared remote sensing brightness temperature data,we studied the great 2008 Wenchuan Ms8.0 earthquake.Results indicate the obvious characteristic period and amplitude,and distribution of thermal infrared anomalies before the Wenchuan earthquake.And we discussed the mechanism of the observed pre-earthquake thermal anomalies.The characteristics of observed thermal infrared anomalies are easy to be recognized and applied,and could provide a criterion for thermal anomalies of earthquakes.展开更多
文摘目的:探讨肝脏肿瘤射频消融术后3.0 T MRI及CT在消融病灶疗效评估与随访中的应用。方法:回顾性分析2017年12月至2018年6月本院收治的75例行射频消融术肝脏恶性肿瘤患者的临床及影像学资料。所有患者术后均行肝脏多层螺旋CT及3.0 T MRI检查,根据改良实体瘤疗效评价标准(mRECIST),应用受试者工作特征曲线(ROC曲线)分析两种不同影像学检查对射频消融术后局部疗效评价的价值。结果:CT和3.0 T MRI诊断肝脏肿瘤消融术后肿瘤局部疗效的ROC曲线下面积分别为0.733和0.917。CT图像评价肿瘤局部疗效的敏感度、特异度、准确度分别为86.7%、60%、81%,3.0 T MRI的分别为93.3%、90%、96%。结论:3.0 T MRI在评估行肿瘤射频消融术后局部疗效方面明显优于CT,能准确且及时地对病灶进行评估,对疾病的诊疗和预后有重要的临床意义。
基金Supported by the National Key Technology R&D Program of China (2006BAC01B03-02-03)
文摘By using an alternative processing method for satellite infrared remote sensing data and adopting the China Geostationary Meteorological Satellite(FY-2C) infrared remote sensing brightness temperature data,we studied the great 2008 Wenchuan Ms8.0 earthquake.Results indicate the obvious characteristic period and amplitude,and distribution of thermal infrared anomalies before the Wenchuan earthquake.And we discussed the mechanism of the observed pre-earthquake thermal anomalies.The characteristics of observed thermal infrared anomalies are easy to be recognized and applied,and could provide a criterion for thermal anomalies of earthquakes.
