Sarcoma of the urachus.

Sarcoma of the urachus is an uncommon condition, as demonstrated by the recent report of Butler and Rosenberg.1This prompted the publication of the following case report. Report of Case The patient, aged 3 years, was first admitted to The Hospital for Sick Children, Toronto, on Aug. 25, 1959, with a 3-day history of intermittent crampy, lower abdominal pain and dysuria. She had increasing anorexia and constipation. There was no history of vomiting or of rectal bleeding. Examination revealed an acutely ill child with a temperature of 101 F. Abdominal examination initially demonstrated marked rigidity of the abdominal muscles, but later a grapefruit-sized mass was felt arising out of the pelvis and extending up to the umbilicus. This mass persisted after catheterization. The hemogram was normal. Urinalysis was negative and the blood urea nitrogen was 15.6 mg. %. A roentgenogram of the abdomen revealed a midline suprapubic mass. Barium enema