Traumatic aneurysms of the cerebral vessels. Report of two cases and review of the literature.

Post-traumatic intracranial aneurysms are rare entity, which cart appear fo llowing even benign head injuries. Their clinical manifestations are variou s, from a typical SAH to apr uncommon intracerebral hematoma. Medical histo ry runs usually from a couple of days to several years. Two cases of intrac ranial aneurysm have been observed from 1995 to 1998. The first case presen ted as a cortical aneurysm in a cerebral contusion following a week of evol ution. The second case presented as a cortical hematoma with a head trauma 10 years before. All patients were operated on with uneventful follow-up. P ost-traumatic intracranial aneurysms can exhibit an increase in size or a s pontaneous thrombosis. Diagnosis is made by angiography, which has to be re peated if treatment has to be delayed Best results are obtained by exclusio n of the lesion, if allowed by the patient's condition.