目的 探讨儿童前列腺囊及伴随 疾病的核磁共振(MRI)影像特征及诊断价 值。方法 回顾性分析10例在我院确诊的 儿童前列腺囊病例MRI资料，10例均行MRI 平扫，其中6例行增强扫描，3例行MRU检 查。结果 10例均在膀胱后方中线区见囊 状长T1WI长T2WI信号，信号与膀胱内尿液 信号一致，囊内外壁光整，囊腔上下走 形，下端变尖。7例在T2WI显示囊腔下端 尖端与后尿道间有条形高信号相连。增强 扫描囊腔及囊壁均未见强化。伴发右侧隐 睾并单纯囊肿1例，右肾缺如1例。并发睾 丸、附睾、阴囊炎5例，双侧腹股沟区淋 巴结炎性增生1例。结论 儿童前列腺囊 MRI影像有特征性表现，MRI在儿童前列腺 囊及伴随疾病诊断中有重要作用，是必要 的影像检查方法。

Objective To evaluate the value of Magnetic Resonance Imaging (MRI)for the diagnosis of prostatic utricle and its concomitant diseases in children. Methods MR images of prostatic utricle in 10 children were retrospectively reviewed, non-enhanced scan was underwent in 10 cases, enhanced scan in 6 cases, MRU in 3 cases. Results There was vertical deform shape lesions shown in the median line region behind the bladder in 10 cases, the cryptomere had homogenously low signal on T1W and high signal on T2W, which was similar to that in the bladder. The inner and outer walls of the cryptomere were smooth. The extremitas anterior of the capsular space became sharp, and the high signal with bar-type was interlinked between the cusp of the extremitas anterior and the posterior urethra at the capsular space in 7 cases. The enhancement couldn't be found in capsular space and cystic walls on enhanced images. Its concomitant complication included 5 cases with orchitis, epididymitis and scrotitis,1 case with inflammatory hyperplasia of lymph nodes . There was 1 case with right enorchia and simple cyst, 1 case with the right-kidney-lack concomitant. Conclusion MRI shows characteristic findings in the children with the prostatic utricle, MRI is a useful examination for the diagnosis of prostatic utricle and its concomitant diseases and complication.