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目的探讨高频彩色多普勒显象诊断先天性甲状腺功能低下(CH)类型并为临床治疗提供科学依据。方法对初筛的268例TSH阳性患儿的临床资料及超声特征进行了回顾性分析。结果研究发现甲状腺功能检查确诊原发性甲低107例,确诊率是(107/357)29.97%,另有161例暂时性甲低。二维超声显示病例中有甲状腺缺如3例,发育不良14例,增大11例,囊性变7例,异位4例,其余68例均为甲状腺形态规则、包膜完整、回声均匀,CDFI可见其腺体内血流信号明显增强,确诊率是(107/357)29.97%。161例暂时性甲低未出现明显血流信号。结论高频彩色多普勒对先天性甲状腺功能低下诊断和分型有重要临床价值。
Objective To investigate the diagnosis of congenital hypothyroidism (CH) by high-frequency color Doppler imaging and to provide a scientific basis for clinical treatment. Methods The clinical data and sonographic features of 268 TSH-positive children were analyzed retrospectively. Results The study found that 107 cases of primary hypothyroidism were diagnosed by thyroid function test. The diagnosis rate was (107/357) 29.97%. Another 161 cases were hypothyroidism. Two-dimensional ultrasound showed cases of thyroid absence in 3 cases, dysplasia in 14 cases, an increase of 11 cases, cystic degeneration in 7 cases, ectopic in 4 cases, and the remaining 68 cases were thyroid morphology rules, complete capsule, echo uniform, CDFI showed that the glandular blood flow signal was significantly enhanced, the diagnosis rate was (107/357) 29.97%. 161 cases of hypothyroidism did not appear significant blood flow signal. Conclusion High-frequency color Doppler has important clinical value in the diagnosis and classification of congenital hypothyroidism.