Dr. med. Dirk Manski

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Retroiliac Ureter or Preureteral Iliac Artery

A retroiliac ureter is very rare, and associated malformations are common. The retroiliac ureter is caused by the development of the iliac vessels from the anterior branch of the umbilical artery (instead of the ordinarily dorsal branch). The ureter can be compressed by iliac vessels, causing hydronephrosis.

fig. Schematic drawing of a retroiliac ureter
Schematic drawing of a retroiliac ureter.

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  Deutsche Version: Retroiliakaler Ureter