HMH is a benign tumor of the liver that likely represents a developmental anomaly of the portal connective tissue rather than a neoplastic process.

肝脏间叶性错构瘤是一种良性病变，可能是肝门结缔组织的发育异常。而不是肿瘤病变的过程。

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Conclusion CEUS can rapidly enhance FLL in arterial phase but cannot diagnose it as a malignant tumor. Delayed enhancement of liver nodules is the typical feature of most benign lesions.

结论肝内结节超声造影动脉早期快速增强不能确诊为恶性病灶，但结节延迟期仍呈高增强是大多数良性病灶的特征所在。

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