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目的：探讨原发性肝癌肝外转移的某些特性。方法：收集11年内在我院施行了根治性肝切除术，术后出现肝外转移而肝内无复发的35例肝癌患者的临床资料，进行分析。结果：35例肝癌根治性切除术后，分别于术后1个月到8年出现临床可以查知的转移灶而无肝内复发，其中8例（22．9％）患者于术后3～8年才发现肝外转移灶。结论：肝癌远处小转移灶可以在术后一段时间内持续处于肿瘤休眠状态（最长达7年多），是远期复发的一个重要原因。治疗术后可能存在的小转移灶，对预防术后复发和转移具有重要的意义。
Objective: To investigate the characteristics of extrahepatic metastasis of primary hepatic carcinoma. Methods: The clinical data of 35 patients with hepatocellular carcinoma who underwent radical hepatectomy in our hospital within 11 years and who had extrahepatic metastasis and no recurrence in the liver were analyzed. RESULTS: After radical resection of 35 cases of hepatocellular carcinoma, clinically detectable metastases and no intrahepatic recurrence occurred 1 month to 8 years after surgery. Among them, 8 cases (22.9%) were postoperative 3~ 8 years of extrahepatic metastases were discovered. Conclusion: Small distant metastases of hepatocellular carcinoma can remain dormant for a period of time (up to 7 years), which is an important reason for long-term recurrence. The possible presence of small metastases after treatment is of great significance in preventing postoperative recurrence and metastasis.