Definition
Congenital obstructing urethral folds in boys that may affect bladder and kidneys.
Symptoms
Weak stream, voiding difficulty, infection or kidney impairment.
How it may be discovered
Prenatal ultrasound or infant urinary symptoms.
When to seek care
Suspected newborn obstruction or inability to urinate with illness requires urgent care.
Investigations and tests
Ultrasound, kidney tests and indicated voiding cystography.
Reaching a diagnosis
Cystography and endoscopy characterise obstruction; kidney impact must be assessed.
Treatment options
Drainage followed by endoscopic valve treatment when appropriate; long-term kidney and bladder monitoring despite correction.
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