False aneurysm as a late complication of division of a patent ductus arteriosus.

A 58-year-old male patient who had a huge false aneurysm as a late sequela of division of patent ductus arteriosus was surgically managed with success. It is noteworthy that 24 years had elapsed from the initial operation until recognition of the aneurysm. The pathogenesis and method of the surgical treatment are discussed.