Pelviureteric junction obstruction of the ipsilateral kidney caused by hydronephrosis secondary to crossed fused renal ectopia

Autor: Taiki Kato, Maria Aoki, Koei Torii, Takashi Hamakawa, Hidenori Nishio, Kentaro Mizuno, Yosuke Ikegami, Tetsuji Maruyama, Yutaro Hayashi, Takahiro Yasui
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: IJU Case Reports, Vol 5, Iss 5, Pp 354-357 (2022)
Druh dokumentu: article
ISSN: 2577-171X
DOI: 10.1002/iju5.12487
Popis: Introduction Crossed fused renal ectopia is rare and usually asymptomatic. However, it is associated with urological anomalies. Case presentation A 15‐year‐old Japanese boy was transported to our hospital with right abdominal pain and hematuria after a soccer ball hit his right abdomen. Computed tomography revealed right hydronephrosis beyond the center of the body and no left kidney. Percutaneous nephrostomy was performed immediately, and a pyeloplasty was scheduled for 5 months later. Right hydronephrosis was noted to have been caused by left pelvic expansion due to a crossed fused ectopic kidney (secondary to a left pelviureteric junction obstruction). Subsequently, a left dismembered pyeloplasty was performed. Twenty‐four months later, pain and hematuria were absent, and the creatinine level was 1.1 mg/dL. Ultrasonography revealed a shrunken right kidney. Conclusion We encountered a unique urological anomaly with crossed fused renal ectopia. Comprehensive anatomical evaluation before surgery is important for maintaining long‐term renal function.
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