Materials and methods: In total, 127 patients were finally enrolled and randomly divided into training and test cohorts. HR-VWMRI three-dimensional T1-weighted imaging (T1WI) and contrast-enhanced ...

Radiomics features were extracted from structural MRI (T1WI and T2-FLair). Support Vector Machine (SVM) classifiers were developed using MRI radiomics data from both monomodal and multimodal radiomics ...

采用 VENTANA PD-L1 SP263 IHC 检测法回顾性评估 PD-L1 表达，计算 CPS 确定 PD-L1 高表达状态（CPS≥20）。 图像数据采集：成像方案包括轴向快速自旋回波 T1 加权（T1WI）、T2 加权（T2WI）和脂肪饱和对比增强 T1 加权（CE-T1WI）序列，CE-T1WI 在注射 0.1 mL/kg 静脉推注钆喷酸葡 ...

在人体颅骨底部，有一个神秘的小空间 ——Meckel's cave（MC，梅克尔腔），这里容纳着至关重要的三叉神经。脑膜瘤和神经鞘瘤是 MC 中最常见的两种肿瘤 。当肿瘤个头较大时，凭借典型的临床和影像学特征，医生们诊断起来并不困难。脑膜瘤通常像一个边界清晰、附着在硬脑膜上的肿块，还常常带着一条独特的 “尾巴”—— ...

据悉，俞大伯本就有多年高血压和糖尿病病史，而在此次超声检查时，发现肝内实性稍低回声占位。闫玲医生在对体检报告进行综合解读后，建议俞大伯去上级医院做进一步检查。

2、颅脑MR检查技术中，T1FALIR由于信噪比好，显示脑灰白质对比好，对解剖结构的显示比常规的T1WI更好，所以目前常规使用T1 FALIR 3、DWI序列在颅脑横轴位的相位编码方向是前后向。颅脑横轴位的其他序列相位编码方向都是左右向。 4、中枢神经系统最常见的原发 ...

Department of Nuclear Medicine, The First Hospital of Lanzhou University, Lanzhou 730000, China Medical Imaging Department, The First Affiliated Hospital of Guangdong Pharmaceutical University, ...

Calcification foci can be found in some lesions. 1 Striped calcification was found in our case. The tumor shows inhomogeneous iso-hyperintensity on T1WI, and mixed signal on T2WI. The collagenous ...

2 China International Neuroscience Institute (China-INI), Beijing, People's Republic of China Correspondence to Dr Liqun Jiao, Department of Neurosurgery, Xuanwu Hospital, Beijing 100053, China; ...