[Congenital umbilical fistulas. A report of 12 cases].

A brief report of 12 cases of congenital anatomical fistula (CUF) has been presented (4 cases of persistent omphalo-mesenteric, 3 persistent urachus, 4 urachal sinus, 1 persistent omphalo-mesenteric duct with urachus) with some general comments. CUF are discovered at birth or later in case of umbilical granuloma, redness, local swelling or umbilical discharge. Diagnosis and anatomical type are determined by instrumental exploration and fistulogram. Lower urinary obstruction should be eliminated in the case of persistent urachus. Complete excision is the correct treatment.