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目的探讨局灶性脂肪肝的声像图特点。方法对39例确诊为局灶性脂肪肝患者的声像图表现进行回顾性分析。结果根据声像图表现分为三种类型:(1)弥漫性非均匀浸润型 23例,占58．97％,肝实质回声弥漫性增高,其内出现一个或多个低-弱回声区,边界尚清晰,形态呈楔形、长条形或类圆形。(2)叶段性浸润型12例,占30．77％,以肝叶段为界,呈大片不规则状的高回声区。(3)局灶性浸润型4例,占10．26％,表现为肝内小片状高回声光团,单发或多发,边界清晰,外形不规则。结论超声能够根据声像图表现,作出局灶性脂肪肝的诊断,但必须注意与肝内良、恶性肿瘤相鉴别。
Objective To investigate the characteristics of focal fatty liver. Methods Retrospective analysis was performed on the sonographic findings of 39 patients with definite fatty liver. The results were classified into three types according to sonographic findings: (1) diffuse non-uniform infiltration type 23 cases, accounting for 58.97%, diffuse increase of liver parenchyma echo, one or more low-weak echo areas appear within it, The border is still clear, wedge shape, long strip or round. (2) There were 12 cases of lobular invasive type, accounting for 30.77%, with large lobular anomalous hyperechoic region as the boundary. (3) Focal infiltration in 4 cases, accounting for 10.26%, showed intrahepatic platelet hyperechoic light, single or multiple, clear boundary, irregular shape. Conclusion Ultrasound can be based on sonographic findings to make a diagnosis of focal fatty liver, but must pay attention to differentiate from benign and malignant tumors in the liver.