本文复习了肝脏磁共振增强扫描中所应用的阳性及阴性造影剂。
Positive and negative contrast media for enhanced MR imaging of the liver were studied.
脑膜转移瘤；磁共振成像；增强扫描。
Meningeal metastasis; Nuclear magnetic resonance; Enhanced scan.
结论磁共振动态增强扫描能明显提高垂体微腺瘤的检出率，对垂体微腺瘤的诊断有重要价值。
Conclusions Dynamic enhanced MRI can increase the diagnostic accuracy of pituitary micro-adenoma. It has great value for the diagnosis of pituitary micro-adenoma.
应用推荐