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目的:分析12例肾迷走血管造成的肾盂输尿管连接部梗阻的X线表现,讨论肾迷走血管的起源及其致病机理,提高肾盂输尿管连接部梗阻的鉴别诊断。材料与方法:以静脉肾盂造影为首选检查方法,对不显影者可作逆行肾盂造影检查。结果:肾盂输尿管连接部带状压迫截断征和输尿管屈曲扭转征是本病典型征象,还可见患侧不同程度的肾积水,肾功能减低或可伴肾结石。结论:肾下极的迷走血管很少见,而经肾盂输尿管连接部前方入肾下极者是造成该处梗阻的病因。部分的肾迷走动脉可伴有迷走静脉。
OBJECTIVE: To analyze the X-ray findings of ureteropelvic junction obstruction caused by renal vagotomy in 12 cases, to discuss the origin and pathogenesis of renal vagotomy and to improve the differential diagnosis of ureteropelvic junction obstruction. Materials and methods: intravenous pyelography as the preferred method of examination, who can not be developed for retrograde pyelography. Results: The band-shaped ureteropelvic junction compression and truncated signs of ureteral flexion and torsion sign is the typical signs of the disease, but also to see the affected side of varying degrees of hydronephrosis, renal function may be reduced or with kidney stones. CONCLUSIONS: Vasovagal vessels in the lower pole of the kidney are rare, and the lower electrode of the kidney in front of the ureteropelvic junction is the cause of obstruction. Some of the renal vagal artery may be associated with vagal veins.