肝脏与胆道疾病PPT课件.pptxVIP

肝脏与胆道疾病的MRI诊断;影像学检查手段超声检查CT;超声CTERCPPTCPTC;无标题;无标题;MRCP图像分析一般不作为单;无标题;无标题;相控阵线圈加呼吸门控;二、扫描序列的选择自旋回波;肝胆系统正常解剖;底面观前面观;肝胆系统正常解剖;无标题;无标题;肝外胆管正常MRCP表现左肝管;Gd-DTPA药物动力学与泛影;钆对比后钆对比前TR(ms;极为有效的T2弛豫剂。静;肝脏良性肿瘤或肿瘤样病变一、肝;一、肝海绵状血管瘤;一、肝海绵状血管瘤;一、肝海绵状血管瘤;无标题;无标题;肝右叶圆团状肿块T1WI呈稍低;一、肝海绵状血管瘤;无标题;无标题;T1WIT2WI动脉晚期门脉期;平扫T1WI;二、肝囊肿;二、肝囊肿;无标题;无标题;无标题;无标题;三、肝局灶性结节增生;三、肝局灶性结节增生;无标题;无标题;四、肝腺瘤又称肝细胞腺瘤，较;四、肝腺瘤;四、肝腺瘤;无标题;T2加权相肿块呈混杂信号;无标题;五、肝脓肿;五、肝脓肿;五、肝脓肿;横断位T1WI横断位T2WI横;肝右叶肝脓肿a.T1WI为圆;平扫T1WI示肝右叶边界不;六、炎性假瘤【病因病理】各种致;六、炎性假瘤T1WI：轮廓清;平扫T1WI肝右后叶低信号病灶;肝脏恶性病变一、原发性肝脏恶;原发性肝脏恶性肿瘤原发性肝脏恶;一、肝细胞癌;一、肝细胞癌;镶嵌征;一、肝细胞癌;瘤内脂变;一、肝细胞癌;下腔静脉异常属支癌栓（黄箭示）;一、肝细胞癌;一、肝细胞癌;一、肝细胞癌;无标题;无标题;巨块型肝癌T1WI肿块呈不;肝动脉期T1WI显示右肝前上;二、肝转移性肿瘤肝脏是转移性;二、肝转移性肿癌;肝转移瘤T1加权像上，呈低信号;无标题;无标题;增强扫描平扫;原发性胆囊癌的发生率较低，好发;胆囊癌;胆囊癌;无标题;胆囊癌T1加权像上表现为胆囊壁;胆管癌胆管癌多发生于60岁以;胆管癌按照大体形态学分为：胆管;一、肝内胆管癌肝内胆管癌;肝内胆管细胞癌分为三类;肝内胆管细胞癌平扫为T1WI低;无标题;二、肝门部胆管癌肝门部胆管癌指;肝门部胆管癌Gd-DTPA;肝门区胆管癌并胆总管远端结石;肝门部胆管癌-SSFSE;无标题;无标题;肝内胆管扩张呈菊花样;无标题;肝门胆管癌增强扫描动;T2WI抑脂序列增强扫描门;三、中、下段胆管癌中、下段胆管;无标题;胆总管癌肝总管、胆总管和胆;胆道肿瘤;无标题;胆道低位梗阻考虑胆管癌;胰头区域肿瘤SSTSEGd;壶腹癌;胆道结石胆道结石T1加权像;无标题;无标题;无标题;无标题;无标题;无标题;无标题;胆总管下端小结石嵌顿肝总管;无标题;胆总管结石;胆总管结石胆总管中段腔内可;肝内外胆管;无标题;MRCP-胆总管结石治疗后M;Thankyou!THEE