目的分析肝内再生性结节（RN）、增生性结节（DN）和小肝癌（SHCC）的磁共振成像特点及鉴别诊断。

Objective To investigate the MR characteristics and differential diagnosis of regenerative nodules(RN), dysplastic nodules(DN) and small hepatocellular carcinoma(SHCC).

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结节再生性增生(NRH)见于9位患者中，包括12个尸检样本中的6个。

Nodular regenerative hyperplasia (NRH) was seen in 9 patients, including 6 of 12 autopsy specimens.

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