Pediatric Seminal Vesicle Cyst

Etiology: insufficient drainage as a result of atresia of ejaculatory ducts causes distension of seminal vesicles and leads to formation of a cyst
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.