Mycotic aneurysm of the thoracic aorta as a late complication of umbilical artery catheterization. A case report.

A case of mycotic thoracic pseudoaneurysm as a late complication of umbilical artery catheterization and septicaemia is presented. Thoracic pseudoaneurysm should be suspected when a child with mediastinal tumour has a history of neonatal umbilical artery catheterization complicated by septicaemia. The diagnosis should be established by CT-scanning, aortography or operation.