29-year-old male patient with cystic focus medially adjacent to and continuous with the bulbous urethra on ultrasound. PELVIS:PROSTATE/SEMINAL VESICLES: No significant abnormality noted.BLADDER: No significant abnormality noted.LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: There is an oblong nonenhancing T2 hyperintense midline structure within the region of the bulbous urethra which measures approximately 4.0 x 1.3 x 1.2 cm in the AP by craniocaudal by transverse dimensions (image 27, series 6 and image 52, series 5). This cystic structure appears to be in continuity with the urethra posteriorly. Furthermore, there is the suggestion of a lip of tissue separating this structure from the urethra anteriorly (image 28, series 6). The bladder is nondistended. The prostatic urethra is decompressed.
Midline cystic structure which appears to be in continuity with the bulbous urethra; this could represent an anterior urethral valve, anterior urethral diverticulum, or less likely a Cowper's syringocele given location. Retrograde urethrogram may be considered for further evaluation. 