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目的:探讨高原地区不同的海拔高度与脂肪肝CT表现分型的关系;方法:64例脂肪肝均经CT扫描证实,其中26例有在高海拔(海拔4 600m)地区工作3年以上,其余38例均生活或工作在海拔3 500m的高原地区(西藏昌都地区平均海拔高度3 500m);结果:高海拔(4 600m)工作的26例脂肪肝CT表现分型:弥漫型19例,节段型1例,局灶型6例,其余38例高原地区(3 500m)的脂肪肝CT表现分型:弥漫型25例,节段型13例;结论:高原地区海拔高度不同,缺氧的严重程度不同,高原病的发生率也存在明显的差别。高海拔(4 600m)地区病例中脂肪肝CT表现分型弥漫型(73％)高于稍低海拔(3 500m)地区病例(稍低海拔65％),而高海拔地区病例中脂肪肝的例数明显多于稍低海拔地区,随海拔高度的不同脂肪肝CT表现分型与程度存在差异,这与高原地区不同海拔高度缺氧情况有关。高海拔地区缺氧、饮酒与肥胖除促使形成脂肪肝外,更重要的是加重脂肪肝的病情程度。
OBJECTIVE: To investigate the relationship between different altitudes and CT classification of fatty liver in plateau area.Methods: Sixty-four patients with fatty liver were confirmed by CT scan. Among them, 26 cases had been working in high altitude (4 600m) for more than 3 years and the rest Thirty-eight cases all lived or worked in the plateau with an elevation of 3 500 m (average height of 3 500 m in Qamdo, Tibet). Results: Twenty-six patients with steatosis at high altitude (4 600 m) had diffuse type CT in 19 cases, Type 1, focal type in 6 cases, the remaining 38 cases of high altitude (3 500m) of the fatty liver CT manifestations: diffuse 25 cases, segmental 13 cases; Conclusion: the altitude of the plateau, hypoxia is serious Different degrees, the incidence of altitude sickness there are significant differences. In high altitude (4 600 m) cases, the diffuse type of CT findings of fatty liver (73%) were higher than those in slightly lower altitude (3500 m) (slightly lower elevation of 65%), while cases of fatty liver in high altitude There was a significant difference in the type and degree of CT findings of different fatty liver with altitude, which was related to the hypoxia at different altitudes in the plateau. High altitude hypoxia, drinking and obesity in addition to promote the formation of fatty liver, the more important is to increase the severity of fatty liver disease.