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目的：利用ＭＲＩ无创、诊断率高的特点，大样本分析ＨＨＥ的临床、病理特征。方法：１９８８－０５～１９９７－０３间６４５例诊断可靠ＨＨＥ的ＭＲＩ资料分析。结果：①ＨＨＥ以青壮年（３０～６０岁）男性居多；②多发者高达３９．１％；③７５．９％的ＨＨＥ小于２ｃｍ，大于４ｃｍ者仅７．６％；④１７．２％的病例合并有其它肝占位，其中约半数为恶性肿瘤；⑤其肝内分布与肝叶大小成正比；⑥规则圆形、卵圆形仅占ＨＨＥ总数的１／３左右。结论：①本病男性发病率不低；②本病是最常见的多发肝占位；③对混合性肝占位病例应予以充分重视；④本病有多中心起源倾向，部分融合成片者诊断较难；⑤不规则形ＨＨＥ诊断较难，其占位征象较轻则有一定的提示诊断作用；⑥个别ＨＨＥ可以较快的速度生长。
Objective: To analyze the clinical and pathological features of HHE by large samples using the features of non-invasive MRI and high diagnostic rate. Methods: MRI data analysis of 645 cases with reliable diagnosis of HHE from 1988-05 to 1997-03. Results: 1HHE was mostly young men (30-60 years old); 2 multiple-persons were as high as 39.1%; 375.9% of HHE was less than 2cm, and only 4.6% of those greater than 4cm; 417.2% of cases had Occupation of other livers, of which about half are malignant tumors; 5 its intrahepatic distribution is proportional to the size of the liver lobe; 6 regular round, ovoid only accounts for about 1/3 of the total number of HHE. Conclusion: 1 The incidence of this disease is not low in men; 2 the disease is the most common multiple liver occupying; 3 should pay full attention to the cases of mixed liver occupying; 4 the disease has a multi-center tendency, part of the integration into the film Diagnosis is more difficult; 5 irregular HHE diagnosis is more difficult, and a lighter placeholder sign has a certain diagnostic effect; 6 individual HHE can grow faster.