A member asked:

Prosterior urethral valves in fetus, what is this?

A doctor has provided 1 answer
Dr. George Klauber answered

Specializes in Pediatric Urology

PUV serious problem: Posterior urethral valves cause severe urinary tract obstruction. They are located at level of external urethral sphincter, distal to bladder neck & prevent urine from passing. Can cause severe kidney damage before birth, as evidence by kidney swelling (hydronephrosis). Bladder & bladder neck can be greatly thickened & first part of urethra, before valves is widely open. Treated by resection.

Answered 1/4/2015

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