45,X/46,XY单纯性性腺发育不全综合征一例

Chinese Journal of Medical Genetics(2013)

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Abstract
患者 社会性别女,16岁,因"无月经来潮"来我院就诊,诊断为原发性闭经.患者父母表型正常,非近亲结婚,无遗传病家族史,身体健康,其母孕期未服药物及接触有害物质.查体提示:身高150 cm,体重40 kg.外观及智力正常,无腋毛,有乳房发育,但无乳头.骨龄测定相当于15岁,与实际年龄基本相符.妇科检查:外阴呈幼女状,无阴毛,肛查子宫及双附件未扪及.经直肠内B超提示:未见卵巢组织及双侧附件.血性激素:促黄体生成素39.33 mIU/mL(正常参考值1.9~12.5mIU/mL),促卵泡生成素154.51 mIU/mL(正常参考值2.5~10.2 mIU/mL),雌二醇7.76 pg/mL(正常参考值19~183 pg/mL),垂体泌乳素9.2 ng/mL(正常参考值2.8~29.2 ng/mL),睾酮53.62 ng/mL(正常参考值14~26 ng/mL).染色体核型为45,X[14]/46,XY[90].患者在外院接受腹腔镜下双侧性腺合并双侧输卵管切除术,病理结果显示:(1)左侧性腺为性腺母细胞瘤合并小管内生殖细胞肿瘤,右侧性腺为纤维脂肪结缔组织;(2)双侧输卵管组织.术后行化疗,在我院复查.
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