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患儿,男,10个月。左侧阴囊内有2个睾丸,右侧阴囊内无睾丸而就诊。查体：左侧阴囊发育良好,右侧阴囊比左侧阴囊明显萎缩。左侧阴囊内可触及上下分布,大小相等,质软和有弹性的两个睾丸。右侧阴囊内未触及睾丸以及其它内容物。经超声检测结果显示左侧上下分别有睾丸14mm×8mm×7mm、附睾头5mm×3mm睾丸14mm×8mm×6mm、附睾头4mm×4mm,轮廓规则,内部回声均匀。双侧均未见疝、鞘膜积液等异常疾病。可诊断为睾丸横过异位症。两个睾丸均发育良好,未行手术治疗。讨论睾丸横过异位症,是非常罕见的异位症。它指起源相对的两个睾丸异位到一个位置上。这时一侧睾丸必须跨越到对侧,和对侧睾丸在腹股沟环或腹股沟
Children, male, 10 months. There are 2 testicles in the left scrotum and no testes in the right scrotum. Physical examination: left scrotum well-developed, the right scrotum than the left scrotum was significantly atrophy. Within the left scrotum can reach up and down distribution, the same size, soft and flexible two testicles. Right scrotum did not touch the testicles and other contents. The results of ultrasound examination showed that the left side of the testis 14mm × 8mm × 7mm, testicular 5mm × 3mm testicular 14mm × 8mm × 6mm, epididymal head 4mm × 4mm, contour rules, internal echo uniform. No bilateral hernia, hydrocele and other abnormal diseases. Can be diagnosed as testicular across the ectopic. Both testicles were well developed, not surgical treatment. Testicular traversing the ectopic is a very rare etiology. It refers to the relative origin of two testicles heterotopically to a position. At this time the testicle on one side must cross to the contralateral side, and the contralateral testis in the inguinal ring or groin