Crossed fused renal ectopia is a very rare congenital ectopia and poses great challenges when performing abdominal aortic surgery because of the accompanying abnormal vessels and urinary tracts. A 79-year-old woman with an abdominal aortic aneurysm and L-shaped crossed fused renal ectopia was referred to our facility. One of the large ectopic renal arteries arose from the right common iliac artery. The aneurysm was treated with an endovascular aortic repair. The reversed chimney graft technique was applied to preserve the ectopic renal artery while elongating the distal landing zone on the right side. The patient experienced no complications such as renal dysfunction or recurrence of the abdominal aortic aneurysm during the 6-month follow-up period.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8219392PMC
http://dx.doi.org/10.1093/jscr/rjab272DOI Listing

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