肝脏局灶性结节增生 (ｆｏｃａｌｎｏｄｕｌａｒｈｙｐｅｒｐｌａｓｉａ ,ＦＮＨ)是一种少见肿瘤 ,占肝脏良性肿瘤的第二位。男、女任何年龄均可发病 ,但最常见于 30～ 4 0岁女性。成年人发病率 3% [1] ,在儿童 (0～ 16岁 )ＦＮＨ仅占肝脏肿瘤的 0 .0 2 % [2 ] 。临床上一般无 Focal nodular hyperplasia (FNH) is a rare tumor, accounting for the second most common benign liver tumor. Male and female can be any age, but the most common in 30 ~ 40 years old women. The incidence of adult 3% [1], FNH in children (0-16 years of age) accounted for only 0. 02% of liver tumors [2]. Clinically normal