Retrocaval ureter occurs due to persistence of:: (A) Azygous vein, (B) Hemiazygous, (C) Anterior cardinal vein, (D) Posterior cardinal vein
Answer is D. 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