Persistent urachus is a risk factor for
Transitional cell ca of bladder
Adenocarcinoma of bladder
Squamous cell ca of bladder
Undifferentiated ca of bladder
Sepsis, tuberculosis, adenocarcinoma of bladder can occur in patients with patent urachus. Patent urachus with urine leak signifies obstruction distal to bladder. Reference : page 1029 SRB's manual of surgery 5th edition
Urology