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目的讨论肝脏局灶性结节增生(FNH)的超声表现及病理基础。方法回顾性分析11个病灶经病理证实的FNH的超声特点并与病理对照。结果结节大小3.0～9.7cm,低回声8个、等回声3个,7个病灶内见少许不规则的中强回声区,4个病灶内有粗大血管伸入。彩色多普勒示9/11血流信号丰富,呈放射状排列。结论彩色多普勒能够显示FNH的特征性血流表现,提高对FNH的诊断率。
Objective To discuss the ultrasonographic features and pathological basis of focal nodular hyperplasia (FNH) in the liver. Methods Retrospective analysis of 11 lesions FNH pathologically confirmed by ultrasound features and pathological control. Results The size of nodules ranged from 3.0 to 9.7 cm. There were 8 hypoechoic echoes and 3 echoes. There were a few irregular mesolimbic echoes in 7 lesions and 4 thick lesions in them. Color Doppler showed 9/11 blood flow signal rich, radially arranged. Conclusion Color Doppler can show the characteristic blood flow of FNH and improve the diagnostic rate of FNH.