彩超诊断亚临床甲状腺功能减退的价值
亚临床甲状腺功能减退；彩色多普勒超声；免疫学检查,,],亚临床甲状腺功能减退；彩色多普勒超声；免疫学检查,1对象与方法,2结果,3讨论,[参考文献]
彩超诊断亚临床甲状腺功能减退的价值 (pdf)[摘要] 目的 描述并探讨亚临床甲状腺功能减退超声图像特点及诊断价值。方法 回顾分析72例亚临床甲状腺功能减退患者血清FT3、FT4、TSH，其中69例检测甲状腺过氧化物酶(TPOAb)。运用彩色多普勒超声观察甲状腺回声及彩色血流分布情况，并测量甲状腺上动脉收缩期最高流速。结果 根据甲状腺回声分为三组，正常回声组(NE)、片状低回声组(SLE)、弥漫性低回声组(DLE)，各组分别为10例(13.9%)、12例(16.7%)、50例(69.4%)。甲状腺上动脉收缩期最高流速各组分别为：NE组[左(27.3±11.4)cm/s；右(32.3±16.6)cm/s]；SLE组[左(32.5±10.4)cm/s；右(36.1±7.9)cm/s]；DLE组[左(63.8±26.2)cm/s；右(65.5±20.7)cm/s]。69例检测TPOAb的患者彩色血流信号分布状况为，NE组10例(Ⅰ级8例，Ⅱ级2例)；SLE组12例(Ⅰ级7例，Ⅱ级4例，Ⅲ级1例)；DLE组47例(Ⅱ级11例，Ⅲ级20例，Ⅳ级16例)。结论 根据甲状腺回声、彩色血流分布情况及甲状腺上动脉最高流速，超声可以鉴别免疫介导及非免疫介导性亚临床甲状腺功能减退。
[关键词] 亚临床甲状腺功能减退；彩色多普勒超声；免疫学检查
Value of color Doppler flow imaging in diagnosis of subclinical hypothyroidism
WU Hongxun，LI Yuesong，ZANG Yangping.Department of Ultrasonography，Jiangsu Institute of Nuclear Medicine，Wuxi 214063，China
[Abstract] Objective Describing the characteristic of ultrasonography in patients with subclinical hypothyroidism by color Doppler flow imaging(CDFI),and evaluate the value of CDFI in the diagnosis of subclinical hypothyroidism.Methods A retrospectively study of 72 patients confirmed subclinical hypothyroidism,free triiodothyronine (FT3),free thyroxine (FT4) and thyroid-stimulating hormone (TSH) were analyzed,as well 69 cases were detected antiperoxidase antibody (TPOAb).All were submitted to CDFI,observing the thyroid echo and the vascularity,measuring the max velocity of superior thyroid artery.Results According the thyroid echo,three groups were divided,Normal Echo (NE);Sporadic Low Echo (SLE);Diffuse Low Echo (DLE).There were 10(13.9%),12(16.7%)、50(69.4%) respectively.According the pattern of vascularity,in 69,NE had patternⅠin 8 and pattern Ⅱin 2 cases;SLE had patternⅠin 7,pattern Ⅱin 4 and patternⅢ in 1 cases;DLE had pattern Ⅱin 11,patternⅢ in 20 and pattern Ⅳ in 16 cases.The Vmax of superior thyroid artery were NE[left(27.3±11.4) cm/s；right (32.3±16.6 )cm/s]；SLE[left (32.5±10.4) cm/s；right (36.1±7.9) cm/s]；DLE[left (63.8±26.2) cm/s；right (65.5±20.7 )cm/s]respectively(P<0.01).Conclusion According the thyroid echo,vascularity and the Vmax of superior thyroid artery,CDFI can distinguish SHT caused by immunogenic from nonimmunogenic. ......
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