Objective To measure the morphological changes in uterus and ovary of girls with idiopathic precocious puberty in order to improve the accuracy of the diagnosis. Methods 96 girls were measured the uterine, ovarian follicle size the largest size, and across section of the largest number of follicles by Color Doppler Flow Imaging (CDFI). Then these indexes were compared with the normal control groups in the same age. Results The uterine indexes of girls with idiopathic precocious pubey were significantly larger than the normal girls at the same age ( P <0. 05); The volume of uterine, ovary and the largest follicle diameter,, asection of the largest number of follicles became more and more larger gradually with different stages. Conclusion It has great value to measure the uterine ovarian follicle number and size by Color Doppler Flow Imaging (CDFI) on diagnosis and differential diagnosis of idiopathic precocious pubey in girls.%目的 采用彩色多普勒超声观察女童性早熟子宫、卵巢形态、大小的改变,乳腺腺体发育情况,提高特发性性早熟诊断正确率.方法 采用超声测量96例女童子宫、卵巢各径线、体积及子宫内膜和卵泡情况,并与正常同龄女童的各项测值比较.结果 特发性性早熟女童子宫各测值大于正常同龄女童(P＜0.05)；随着分期的增高,子宫和卵巢的容积、最大卵泡直径增大越明显.对性早熟女童的乳腺观察,能间接提示下丘脑一垂体一性腺轴的功能状态,两者结合可对真性性早熟作出准确诊断,对鉴别真性性早熟与单纯乳房早发育有重要意义.结论 超声检查可以作为一种简便可靠的无创性评估,应用于特发性性早熟的诊断及鉴别诊断具有较大价值.
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