肝脏CT检查
肝脏详细成像，用于病灶检测、特征描述和肝脏疾病分期。
~400-750 chest X-rays
什么是 CT Liver？
肝脏CT是专注于肝脏及其周围结构的专用CT扫描。通常使用静脉造影剂评估肝脏和肝脏病变的血流模式。
工作原理： 扫描分多期进行：平扫（基线）、动脉期（造影后30-35秒）和门静脉期（60-70秒）。这种多期方法根据增强模式帮助描述肝脏病变特征。
CT Liver 的常见用途
肝脏病灶检测与特征描述
Distinguish between hemangiomas, focal nodular hyperplasia, adenomas, and hepatocellular carcinoma (HCC)
肝细胞癌监测
Screen high-risk patients (cirrhosis, hepatitis B/C) and assess tumor burden
肝转移评估
Detect and quantify metastatic lesions from colorectal, breast, lung, and other primary cancers
术前规划
Define liver anatomy, vascular variants, and resectability before surgery or transplantation
治疗反应评估
Monitor response to ablation, TACE, sorafenib, or immunotherapy
创伤评估
Identify liver lacerations, active bleeding, and associated abdominal injuries
优势
- ✓快速获取，空间分辨率优秀
- ✓多期成像提供全面的血管信息
- ✓广泛可用且相对可重复
- ✓检测钙化和脂肪效果优异
局限性
- ⚠需要含碘造影剂（肾功能不全或过敏者可能禁忌）
- ⚠辐射暴露，特别是多期方案
- ⚠对小病灶（<1 cm）的敏感性低于MRI
- ⚠增强CT可能遗漏等密度病灶
检查准备清单
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相关影像方式
MRI with liver-specific contrast provides superior lesion characterization. Ultrasound is excellent for initial screening and guidance. PET-CT may be used for metastatic disease staging.
MRI
MRI uses powerful magnets and radio waves to produce detailed images of organs and soft tissues. Excellent for brain, spine, and joint imaging.
Ultrasound
Ultrasound uses sound waves to create real-time images. Commonly used for pregnancy monitoring and examining organs like the heart, liver, and kidneys.
PET-CT
Combines metabolic imaging with CT anatomy for cancer staging and therapy response.
浏览 CT Liver 术语
探索 CT Liver 报告中的常见术语，每个术语都包含详细解释、临床意义和相关化验，帮助你读懂影像结果。 化验项目.
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医学参考资料
本页面内容参考以下权威医学机构的资料：
- 1.
- 2.