目的：探讨新疆维、汉、回不同民族成人甲状腺CT值并比较有无民族间差异。方法回顾性分析我院行颈部螺旋CT连续性扫描的维吾尔族、汉族及回族病人。严格按照纳入标准获得452例正常甲状腺影像，维吾尔组男性34例，女性132例；汉族男性60例，女性114例；回族男性44例，女性68例。年龄在23~79岁，按照年龄段分成≤35岁组、35~50岁组及≥50岁组。测量各年龄段组及男女维、汉、回族甲状腺CT值并比较，对其数据进行统计学分析。结果正常维吾尔族成人甲状腺左叶CT值为（122.73±20.28） HU，右叶甲状腺CT值为（122.13±20.34） HU；正常汉族成人甲状腺左叶CT值为（123.62±18.58） HU，右叶CT值为（124.05±18.34） HU；正常回族成人甲状腺左叶CT值为（122.54±20.22） HU，右叶CT值为（120.69±18.03） HU（P<0.05）；≥50岁组的男女性和35~50岁组的女性，其甲状腺左右叶值在汉维回不同民族间及民族内均有明显差异（P<0.05）。结论通过对452例正常维吾尔族、汉族及回族成人甲状腺进行测量，确定了这3个民族正常成人甲状腺CT值范围，对新疆地区维吾尔族、汉族及回族的甲状腺疾病诊断具有临床指导意义。%Objebtive To compare CT value of adult thyroid among Uygur, Han, Hui ethnic at Xinjiang. Methods In strict accordance with the inclusion criteria, we selected 452 cases and retrospectively analyzed from continuous neck spiral CT scans in our hospital. The Uygur group included 34 male cases , 132 female cases;the Han group included 60 male cases, 114 female cases;the Hui group included 44 male and 68 female cases. Age range was 23~79 years, young adult group≤35 year-old, middle-age adult group 35~50 year-old, and eldely adult group ≥50 year-old. Thyroid CT values were measured from each group. The values were statistically analyzed between male and female, and among Uygur, Han, Hui. Results Uyghur adult normal thyroid CT value of the left lobe was (122.73±20.28) HU, the right lobe thyroid CT value was (122.13±20.34) HU;Han Chinese adult normal thyroid CT value of the left lobe was (123.62±18.58) HU, normal adults of Hui ethnic thyroid CT value of the left lobe was (122.54±20.22) HU, the right lobe CT value was (120.69±18.03) HU. In the elderly adult group, and female subjects in the middle-age adult group , the CT values of thyroid lobes differed significantly among Uyghur, Han, and Hui ethnic groups (P<0.05). Conclusion The normal ranges of Uygur, Han and Hui adults thyroid CT values measured from the 452 normal cases have important clinical significance for diagnosing throid diseases in Xinjing provice.
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