2007, Vol. 18 Issue (4): 243-246    DOI:
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肝脏局灶性结节增生的MRI表现与病理对照分析
许尚文1,陈自谦1,钱根年1,钟 群1,成官迅2
1. 福州总医院医学影像科,福建 福州 350025; 2. 南方医科大学南方医院影像中心,广东 广州 510515
MRI and pathological analysis of hepatic focal nodular hyperplasia
XU Shang-wen1, CHEN Zi-qian1, QIAN Gen-nian1, ZHONG Qun1, CHENG Guan-xun2
1. Department of Radiology, Fuzhou General Hospital, Fuzhou 350025, China;2. Department of Radiology, Nanfang Hospital, Nanfang Medical University, Guangzhou 510515, China
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摘要 目的:分析肝脏局灶性结节增生(FNH)的平扫和动态增强的MRI表现及诊断价值,提高FNH诊断的准确率。方法:回顾性分析15例(16个病灶)经病理证实的FNH的平扫及动态增强MRI表现。结果:16个病灶于T1WI呈略低信号或等信号,T2WI呈略高信号或等信号。增强扫描动脉期呈明显强化,在门脉期及延迟期呈等或略高强化。5个病灶在平扫MRI上显示中央瘢痕,11个病灶在动态增强MRI上显示中央瘢痕,均见延迟强化。结论:平扫和动态增强MRI检查能较全面显示FNH的病理特征和血供特点,明显地提高与其他富血管恶性肿瘤的鉴别诊断能力。
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许尚文
陈自谦
钱根年
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成官迅
关键词 局限性结节状增生磁共振成像    
AbstractObjective: To improve diagnostic accuracy of hepatic focal nodular hyperplasia(FNH) by studying MRI multiphase scanning. Methods: A retrospective analysis was made on the unenhanced and dynamic enhanced MR images of 15 patients(totally 16 lesions) with surgical and pathological proved FNH. Results: MR images of 16 lesions always showed appearance with slightly low or isointense on T1-weighted images and isointense or slightly hyperintense on T2-weighted images. All lesions had apparent enhancement in the arterial phase and prolonged enhancement in the portal venous phase and delayed phase. Central scar was found in 5 FNH lesions on unenhanced images and in 11 FNH lesions on dynamic contrast- enhanced images, and demonstrated late enhancement. Conclusion: The unenhanced and dynamic contrast-enhanced MRI scanning can fully show the pathologic and the blood supplying characteristics of FNH and improve differentiating ability from other malignant hypervascular tumors.
Key wordsfocal nodular hyperplasia    magnetic resonance imaging
收稿日期: 2006-09-25     
:  R575  
  R445.2  
引用本文:   
许尚文;陈自谦;钱根年;钟 群;成官迅. 肝脏局灶性结节增生的MRI表现与病理对照分析[J]. , 2007, 18(4): 243-246.
XU Shang-wen;CHEN Zi-qian;QIAN Gen-nian;ZHONG Qun;CHENG Guan-xun. MRI and pathological analysis of hepatic focal nodular hyperplasia. , 2007, 18(4): 243-246.
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