<?xml version="1.1" encoding="utf-8"?>
<article xsi:noNamespaceSchemaLocation="http://jats.nlm.nih.gov/publishing/1.1/xsd/JATS-journalpublishing1-mathml3.xsd" dtd-version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><front><journal-meta><journal-id journal-id-type="publisher-id">MRP</journal-id><journal-title-group><journal-title>Medical Research and Practice</journal-title></journal-title-group><issn>2993-9690</issn><eissn>2993-9704</eissn><publisher><publisher-name>Art and Technology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.61369/MRP.2026050001</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title>CT尿路成像诊断完全性输尿管重复畸形的价值
—— 一例报告与诊疗分析</title><url>https://artdesignp.com/journal/MRP/4/5/10.61369/MRP.2026050001</url><author>杜颖雯,林灿彬,姚睿智</author><pub-date pub-type="publication-year"><year>2026</year></pub-date><volume>4</volume><issue>5</issue><history><date date-type="pub"><published-time>2026-05-20</published-time></date></history><abstract>完全性输尿管重复畸形是泌尿系统最常见的先天性结构异常之一，其经典解剖与临床转归遵循Weigert-Meyer法则。本文报道一例84岁女性患者，输尿管软镜碎石术中发现左侧完全性输尿管重复畸形，其解剖特征明确违背Weigert-Meyer法则的预测，揭示了依赖经典定律与常规影像学评估存在的&amp;ldquo;双重盲区&amp;rdquo;。结合文献复习，本文探讨了该罕见变异的潜在胚胎学机制，提出将CTU作为上尿路手术前标准化评估的核心工具，实现从经验推测向客观三维解剖证据的范式转换，从而有效规避术中风险、提升手术安全性与患者预后。</abstract><keywords>完全性输尿管重复畸形,Weigert-Meyer 法则,CTU</keywords></article-meta></front><body/><back><ref-list><ref id="B1" content-type="article"><label>1</label><element-citation publication-type="journal"><p>[1]Ahmed, Oshiba,Samar, Oshiba,Mostafa, Kotb et al. Ureteral duplication anomalies: two years&amp;rsquo; experience in a single center.[J] .BMC Urol, 2025, 25: 125.[2]Franti&amp;scaron;ek, Dorko,J&amp;aacute;n, Tokarč&amp;iacute;k,Eva, V&amp;yacute;born&amp;aacute;,Congenital malformations of the ureter: anatomical studies.[J] .Anat Sci Int, 2015, 91: 290-4.[3]Chao T T, Dashe J S. Duplicated collecting system[M]//Obstetric Imaging: Fetal Diagnosis and Care. Elsevier, 2018: 50-53. e1.[4]Miaomiao, Zhang,Yanyan, Liu,Bin, Zhang et al. Unilateral complete ureteral duplication with ectopic ureteral opening inserting into urethra in a female patient without incontinence: a case description and review of the literature.[J] .Quant Imaging Med Surg, 2024, 14: 6166-6172.
[5]Shuxin, Li,Hongliang, Cao,Yueqiu, Zhang et al. Congenital duplicated ureter-vagina anomalous anastomosis causing female urinary incontinence: a case report and literature review.[J] .Front Pediatr, 2025, 13: 1629410.[6]Abhishek, Chandna,Pawan, Kaundal,Kalpesh Mahesh, Parmar et al. Dismembered extravesical reimplantation of ectopic ureter in duplex kidney with incontinence.[J] .BMJ Case Rep, 2020, 13: .[7]G G, Mackie,F D, Stephens,Duplex kidneys: a correlation of renal dysplasia with position of the ureteral orifice.[J] .J Urol, 1975, 114: 274-80.[8]J T, Privett,W D, Jeans,J, Roylance,The incidence and importance of renal duplication.[J] .Clin Radiol, 1976, 27: 521-30.[9]Abdallah P, Houat,Cassia T S, Guimar&amp;atilde;es,Marcelo S, Takahashi et al. Congenital Anomalies of the Upper Urinary Tract: A Comprehensive Review.[J] .Radiographics, 2021, 41: 462-486.[10]Schlussel R , Retik A .Ectopic ureter, ureterocele and other anomalies of the ureter &amp;icirc;n Walsh Cambell&amp;rsquo;s urology. 9-th ed[J].Campbells Urology, 2007, 3.[11]Lei, Yang,Rui, Jiang,Yuxuan, Tian et al. Duplex collecting system with ectopic ureter in adult: a case report and literature review.[J] .Ann Med Surg (Lond), 2025, 87: 6753-6760.[12]Ciro, Esposito,Lorenzo, Masieri,Laurent, Fourcade et al. Pediatric robot-assisted extravesical ureteral reimplantation (revur) in simple and complex ureter anatomy: Report of a multicenter experience.[J] .J Pediatr Urol, 2022, 19: 136.e1-136.e7.[13]Shailendra, Katwal,Aastha, Ghimire,Kusum, Shrestha et al. Unraveling recurrent urinary tract infection in adulthood: a rare case report of unilateral partial duplex collecting system with ureterocele.[J] .Ann Med Surg (Lond), 2023, 85: 5214-5218.[14]Rubinstein I, Shtabsky A, Berlatzky Y, et al. The increased risk of nephrolithiasis in patients with duplex collecting systems. J Endourol. 1999;13(2):117-120.[15]Pradhan S, Acharya A, Thapa M, Basnet RB. Complicated urolithiasis in anomalous kidneys: a comprehensive review. Urolithiasis. 2020;48(4):281-293.[16]Mandell J, Blyth BR, Peters CA, Retik AB, Estroff JA, Benacerraf BR. Structural genitourinary defects detected in utero. Radiology. 1991;178(1):193-196.[17]Whitaker J, Dickson JA. Duplex kidneys: a correlation of renal dysplasia with position of the ureteral orifice. J Urol. 1970;104(6):866-869.[18]Bujons A, Mill&amp;aacute;n F, D&amp;iacute;ez J, Caffaratti J, Garat JM, Villavicencio H. Tumors in anomalies of the upper urinary tract. Eur Urol. 2008;54(6):1241-1249.[19]Atwell JD, Cook PL, Strong L, Hyde I. The refluxing duplex system. J Pediatr Surg. 1987;22(3):217-21.[20]Zerin JM, Leiser J. Patterns of ureteral duplication in children: a pictorial review. Urol Radiol. 1992;14(1):22-8.[21]Gharajeh A, Miles-Thomas J, Dmochowski RR. Anomalous ureteral insertion into the bladder neck associated with vesicoureteral reflux in the upper pole of a completely duplicated collecting system: a case report. J Med Case Rep. 2010;4:310.[22]Matsell DG, Bao C, White T. The embryologic basis of upper urinary tract anomalies. Urol Clin North Am. 2014;41(3):331-342.[23]Sakurai H. Molecular mechanism of ureteric bud development. Semin Cell Dev Biol. 2003 Aug; 14(4):217-24. doi: 10.1016/s1084-9521(03)00024-7. PMID: 14627120.[24]Campbell M , Walsh P , Wein A ,et al.Campbell Walsh Wein Urology[J].Aktuelle Urologie, 2021, 52:25 - 25.DOI:10.1055/a-1307-2419.[25]Schoenwolf G C , Bleyl S B , Brauer P R ,et al.Development of the Urogenital System[J]. 2009.DOI:10.1016/B978-0-443-06811-9.10015-6.[26]Viana R, Batourina E, Mendelsohn C. Molecular and cellular mechanisms of ureteric orifice maturation and trigone development. PLoS One. 2017;12(10):e0186255.[27]Airik R, Kispert A, Trowe MO. Role of GDNF/Ret signaling in ureteric bud cell fate and trigonal development. Dev Biol. 2018;441(2):171-183.[28]Hersh J H, Angle B, Fox T L, et al. Developmental field defects: coming together of associations and sequences during blastogenesis[J]. American journal of medical genetics, 2002, 110(4): 320-323.[29]Stănculescu B, Gafencu M, Pitea AM, Filip C. Associated anomalies in children with congenital renal anomalies. Med Pharm Rep. 2020;93(4):360-366.[30]Schedl A. Genetic regulation of urogenital system development in mammals. Nat Rev Urol.2011;8(1):26-36.[31]Herts BR, Baker ME. Ultrasonography in the evaluation of renal duplication and ectopic ureter. Radiol Clin North Am. 1999;37(3):583-596.[32]Ahmad N A, Ather M H, Rees J. Unenhanced helical computed tomography in the evaluation of acute flank pain[J]. International journal of urology, 2003, 10(6): 287-292.[33]Kawashima A, Vrtiska TJ, LeRoy AJ, Hartman RP, McCollough CH, King BF Jr. CT urography. Radiographics. 2004;24 Suppl 1:S35-54.</p><pub-id pub-id-type="doi"/></element-citation></ref></ref-list></back></article>
