Retrocaval ureter occurs due to persistence of:
Retrocaval Ureter- Aka Circumcaval ureter- Abnormal development of IVC causes ureter to pass behind IVC and to take U turn before draining to bladder.- Abnormal persistence of right posterior subcardinal vein Clinical features- Signs & symptoms of ureteric obstruction Diagnosis- MRI is IOC to a delineate anatomy clearly and non-invasively- IVP "Reverse J" "Fish Hook" Or "Shepherd Crook "deformity Treatment - Relocation ureteroureterostomy
Azygous vein
Hemiazygous
Anterior cardinal vein
Posterior cardinal vein
Kidney and ureter