Pediatric Seminal Vesicle Cyst

  • Etiology: Occurs secondary to obstruction at junction of seminal vesicle and ejaculatory duct
    — Congenital: Vas deferens agenesis
    — Acquired: Ectopic insertion of ureter into seminal vesicle or vas deferens or ejaculatory duct or prostatic urethra
  • Imaging: Cystic structure lateral to bladder
  • DDX:
  • Complications:
  • Treatment:
  • Clinical: Associated with unilateral renal agenesis

Radiology Cases of Seminal Vesicle Cyst

US of kidney agenesis and seminal vesicle cyst / Zinner syndrome
Sagittal US of the left renal fossa (above) demonstrated that no left kidney was present in the left renal fossa or pelvis. Transverse ultrasound of the bladder (below) demonstrated a cystic structure adjacent to the left side of the bladder.