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肝脏正常及常见疾病CT表现(二)课件

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肝脏 正常 常见疾病 CT 表现 课件
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RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 1 Affiliated Hospital of Qingdao University Medical School 肝脏正常及常见疾病CT表现 二 青医附院放射科 刘士锋 RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 2 Affiliated Hospital of Qingdao University Medical School 肝囊肿CT表现 n CT平扫 n圆形或类圆形低密度灶 n边缘光滑 境界清晰 n囊内密度均匀一致 nCT值一般是0 20Hu n囊壁极薄如线状 n单发或多发 nCT增强表现 n囊肿表现为动脉期静脉期均不强化 n囊壁也无增强 RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 3 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 4 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 5 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 6 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 7 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 8 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 9 Affiliated Hospital of Qingdao University Medical School 肝血管瘤肝血管瘤 Cavernous Cavernous hemangioma of hemangioma of liver liver RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 10 Affiliated Hospital of Qingdao University Medical School CT表现 nCT平扫 n肝实质内圆形类圆形低密度肿块 CT值30Hu n边界清楚 无移行带 n条状间壁 钙化 少见 nCT增强扫描 呈现 早出晚归 特点 n动脉期 边缘开始出现棉絮状强化 同大血管的密度 n门脉期 病灶强化向中央扩展 n延迟扫描 整个肿瘤均匀充填 强化密度高于肝实质 n肿瘤中心可出现无强化的不规则低密度区 代表纤维 化或血栓形成 RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 11 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 12 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 13 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 14 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 15 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 16 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 17 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 18 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 19 Affiliated Hospital of Qingdao University Medical School 原发性肝癌 Hepatocellular Carcinoma RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 20 Affiliated Hospital of Qingdao University Medical School CT表现 nCT平扫 n肿瘤呈低密度结节 肿块 n合并肝硬化 n门静脉瘤拴 门静脉内低密度结节 n肝细胞癌破裂出血 呈斑片状高密度影 n不同类型肝癌特点 n 结节型 低密度结节界线清楚 呈类圆形 肿瘤密度不均一 可出现更低密度区域 肿瘤可为单结节或多结节 n 巨块型 形成巨大低密度肿块 占据肝脏一叶之大部分 边缘不锐利 周围常有子灶 n弥漫型 为弥漫性低密度小结节 平扫难以显示 可见肝呈弥漫性肿大 肝硬化 门静脉内瘤栓形成 RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 21 Affiliated Hospital of Qingdao University Medical School n增强扫描 快进快出 n动脉期 肿瘤明显均匀或不均匀强化 n门静脉期及延时期 肿瘤则呈相对低密度 边界显示 较清 n肝细胞癌的其他CT表现 n静脉内肿瘤浸润 形成肿瘤瘤栓 有强化 n动脉 门静脉短路 n胆管内肿瘤浸润 n肝内转移 n肝细胞癌破裂出血 其内高密度影无强化 n肝外浸润及转移 RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 22 Affiliated Hospital of Qingdao University Medical School n小肝癌 n定义 单个癌结节的最大径 3cm 或两个癌结 节最大直径总和 3cm n强化特点 动脉期 多均匀强化 门脉期 呈低密度 边缘模糊 平衡期 边缘可有强化 RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 23 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 24 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 25 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 26 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 27 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 28 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 29 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 30 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 31 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 32 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 33 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 34 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 35 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 36 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 37 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 38 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 39 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 40 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 41 Affiliated Hospital of Qingdao University Medical School 肝胆管细胞癌 Cholangiocellular carcinoma RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 42 Affiliated Hospital of Qingdao University Medical School n CT平扫 n肝内低密度肿块 n密度不均匀 n边缘凹凸不平 n肝包膜下的肿瘤可见脐样凹陷 n病变远侧周围胆管扩张 n相应区域肝脏萎缩 n增强扫描 n动脉期 肿瘤呈轻度环状或网格状增强 n门脉期延时期 肿瘤逐渐增强 强化程度不高 n病灶远侧周围胆管扩张 n肝脏萎缩 CT表现 RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 43 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 44 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 45 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 46 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 47 Affiliated Hospital of Qingdao University Medical School 肝转移瘤 secondary tumors of liver RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 48 Affiliated Hospital of Qingdao University Medical School CT表现 n CT平扫 n多发性大小不等的低密度肿瘤结节 n钙化 出血少见 n多在低密度病变内存在更低密度区域 边缘有 晕征 n CT增强扫描 n 病灶边缘强化而密度升高 n动态扫描时 因转移癌不同 可归纳为如下表现 肿瘤边缘呈一过性增强 较多见 肿瘤边缘呈持续性增强 无明显强化 少见 肿瘤全体呈一过性增强 之后为低密度 类似肝细胞癌 较少见 n牛眼征 病灶中心低密度 周围环状高密度增强带 外层增强不 明显低密度带 n囊样改变 囊壁厚薄不一 RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 49 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 50 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 51 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 52 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 53 Affiliated Hospital of Qingdao University Medical School 肝脓肿 abscess of liver RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 54 Affiliated Hospital of Qingdao University Medical School CT表现 nCT平扫 n低密度区或团块 n早期呈蜂窝状 n中央坏死区密度低 CT值在 20HU以下 n脓肿壁呈环状低密度带 n病变与正常组织分界模糊 n一般为单房性 呈圆形或椭圆形 n也可为多房性脓肿 囊囊相通更支持肝脓肿诊断 n脓肿内可见气体或气液平面 RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 55 Affiliated Hospital of Qingdao University Medical School nCT增强扫描 n脓肿壁及间隔明显强化 多呈环状 n双环征 强化的脓肿壁和周围无强化的低密度 水肿带构成的高低密度的两个环 n三环征 脓肿壁的内层坏死组织不强化 低 纤维肉芽组织的脓肿壁明显强化 高 脓肿外围水肿带不强化 低 n脓肿腔内低密度影无强化 n小气泡 气液平 n周围扩散征象 膈下脓肿 RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 56 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 57 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 58 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 59 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 60 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 61 Affiliated Hospital of Qingdao University Medical School RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in this way and my feelings can only be summed up in eight words although hard but very substantial 62 Affiliated Hospital of Qingdao University Medical School 肝细胞腺瘤肝细胞腺瘤 Hepatic Hepatic adenoma adenoma RADIOLOGY BASIC DIAGNOSIS Five weeks of practice ended in
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本文标题:肝脏正常及常见疾病CT表现(二)课件
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