Super giant globoid intracranial aneurysm in an infant. Case report.

The incidence of intracranial aneurysms in infancy is less than 1%. Intracranial arterial aneurysms are very rare in patients under 1 year of age. This 6-month-old baby girl presented with progressive macrocephaly and anemia. Computerized tomography and cerebral angiography demostrated a giant globoid aneurysm, 8 X 9 cm in size, arising from an anomalous posterior cerebral artery. The aneurysm was successfully clipped and excised in two stages. The child made an uneventful recovery. The congenital nature of the aneurysm is discussed, and the literature concerning intracranial aneurysms in patients under 1 year of age is reviewed.