Diseases of the urachus simulating intra-abdominal disorders

摘要: Abstract The urachus forms in early embryonic life as a tubular communication between the bladder lumen and allantois. After birth descends undergoes varying degrees of regression during which its normally closes. Various diseases may affect urachus. Their symptoms, signs, pathologic anatomy are reviewed. A common feature these conditions is partial reopening regressive distinction congenital acquired urachal made. Five cases disease, observed department abdominal surgery, reported. It emphasized that symptoms signs were suggestive acute caused by intra-abdominal diseases. Acquired causing true condition, elicited supervening complications, described on basis literature present series. Therapeutic principles discussed, taking into account possibility malignant degeneration high recurrence rate disease.