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目的探讨非酒精性脂肪肝(NAFL)的CT诊断价值。方法选取2013年6月至2014年非酒精性脂肪肝(NAFL)患者28例CT影像表现分析。结果 CT平扫表现为弥漫性肝脏密度减低,肝脾CT比值≤1。弥漫性肝脏密度减低,肝脾CT比值≤1,但大于0.7者为轻度;肝脾CT比值≤0.7但大于0.5者为中度;肝脾CT比值≤0.5者为重度。局灶型脂肪浸润可累及肝的一段、一叶或两个以上的段或叶,可呈单发或多发的小片状分布。弥漫型脂肪浸润累及整个肝脏,但每个叶或段的受累程度可以不一致。结论 CT检查有助于明确绝大多数非酒精性脂肪肝的诊断。
Objective To investigate the value of CT in the diagnosis of non-alcoholic fatty liver disease (NAFL). Methods The CT findings of 28 patients with non-alcoholic fatty liver disease (NAFL) from June 2013 to 2014 were analyzed. Results CT scan showed diffuse density of liver, liver and spleen CT ratio ≤ 1. Diffuse liver density decreased, liver and spleen CT ratio ≤ 1, but more than 0.7 were mild; liver and spleen CT ratio ≤ 0.7 but more than 0.5 were moderate; liver and spleen CT ratio ≤ 0.5 were severe. Focal fatty infiltration can affect a section of the liver, a leaf or two or more segments or leaves, can be single or multiple small pieces of distribution. Diffuse fatty infiltration affects the entire liver, but the extent of involvement of each leaf or segment can be inconsistent. Conclusion CT examination can help define the vast majority of non-alcoholic fatty liver disease diagnosis.