摘要
目的：探讨小儿肝间叶性错构瘤的CT及MR表现，以提高对于该病的诊断水平。方法：回顾性分析2008年10月—2012年8月10例经病理证实的肝间叶性错构瘤患儿的CT及MR资料。10例患儿中，男4例，女6例，年龄11～60月，平均（27.0±14.54）月，主要症状：腹部包块5例，腹痛5例，其中2例患儿AFP轻度升高，10例患儿分别行CT增强或MR平扫扫描。结果：10例病例中，病灶位于肝右叶5例，肝左叶3例，同时累及肝左、右叶2例，病灶直径8.1～17.8 cm，平均（13.26±3.18） cm。CT表现主要取决于病变囊实性成分比例，表现为囊实混合型7例、实性型3例，增强后肿瘤实性部分及分隔强化，囊性部分无强化。MR检查中，其实性部分T1、T2序列呈稍低信号，囊性部分T2呈高信号。结论：肝间叶性错构瘤的CT及MR表现有一定特征性，结合其临床特征并注意与肝脏其他囊实性肿瘤相鉴别，术前大多能做出正确的诊断。
Abstract
Objective: To improve the diagnostic accuracy of mesenchymal hamartoma of liver(MHL) by analyzing and summarizing the CT/MR display features. Methods: Ten patients(4 male and 6 female, age range from 11 months to 60 months) underwent dynamic contrast-enhanced CT or MR examination. Main symptoms were abdominal mass(5 cases), abdominal pain(5 cases), AFP increased slightly in 2 cases. Results: Five masses located at the right lobe of liver, 3 located at the left lobe, the others located at both right and left lobe. The lesions size range from 8.1 cm to 17.8 cm, (13.26±3.18) cm on average. There was correlation between the CT/MR findings of MHL and the proportion of cystic or solid component in the masses. Seven cases were cystic-solid mixed, three cases were solid. After contrast administration, the solid component and the septa of the masses showed enhancement while no enhancement was assessed in the cystic component. In MR images, the solid component and the septa of the masses were shown hypointense on T1WI and T2WI, the cystic component was shown hyperintense on T2WI. Conclusion: MHL has some special characteristics, most of MHL can be diagnosed when combined with the clinical information and CT/MR images.
关键词
肝肿瘤 /
错构瘤 /
体层摄影术 /
螺旋计算机 /
磁共振成像 /
儿童
Key words
Liver neoplasms /
Hamartoma /
Tomography /
spiral computed /
Magnetic resonance imaging /
Child
王宏博;梁宏元;卢再鸣.
小儿肝间叶性错构瘤的CT及MR诊断与鉴别诊断[J]. 中国临床医学影像杂志. 2015, 26(7): 483-486
WANG Hong-bo;LIANG Hong-yuan;LU Zai-ming.
CT/MR diagnosis and differential diagnosis of mesenchymal hamartoma of liver[J]. Journal of China Clinic Medical Imaging. 2015, 26(7): 483-486
中图分类号：
R735.7
Ｒ814.42
Ｒ445.2
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