[A case of symmetrical pericallosal aneurysms with recurrent hemorrhage].

Aneurysms of the pericallosa cerebral artery are rare, representing only 2-4% of all intracranial aneurysms. Our case with symmetrical pericallosal aneurysms presented diagnostic problems. Diagnosis and surgery of the first aneurysm were followed by brief time-lag and recurrent bleeding by diagnosis and surgery of the second.