结果18例先天性动静脉瘘查见纡曲扩张的血管网，无法辨认瘘口；
Results Deformed vascular net was observed, and the localization of arteriovenous fistulas was not observed directly in 18 congenital AVF patients.
畸形血管团MRI表现：多数T1、T2加权像为纡曲成团的低或黑信号区（流空效应）。
On the photo of MRI, most of T1 and T2 photos had a lower or black signal area (flow-empty actions).
结果6例患者均表现为肝固有动脉纡曲扩张伴血流速度增快，5例同时伴有肝内动脉纡曲扩张；
Results The proper hepatic arteries of all 6 patients and the intrahepatic arteries of 5 patients were dilated and tortuous, and the flow velocities in them were increased.
结果18例成功放置双j管行内引流，1例因输尿管上段高度纡曲狭窄置管失败，6例行单纯球囊扩张。
Results Balloon catheter dilatation was performed in 6 cases. DoubleJ ureteral stent was successfully placed in 18 cases, and failure to success in 1 case due to tortuous ureter.
真皮下部及皮下组织见大量纡曲扩张血管腔，管壁内衬一层血管内皮细胞，其外有一层至数层血管球细胞。
Skin biopsy showed multiple irregular, dilated, endothelium-lined vascular channels surrounded by a single to a few layers of glomus cells in the lower dermis and subcutaneous tissue.
真皮下部及皮下组织见大量纡曲扩张血管腔，管壁内衬一层血管内皮细胞，其外有一层至数层血管球细胞。
Skin biopsy showed multiple irregular, dilated, endothelium-lined vascular channels surrounded by a single to a few layers of glomus cells in the lower dermis and subcutaneous tissue.
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