[4 cases of traumatic cerebral aneurysms are reported (author's transl)].

Among them: one aneurysm of the meningeal artery and 2 cases of aneurysm of cortical arteries. The delay between trauma--mild or severe--is variable: eight days to 3 weeks. Cerebral angiography is the only diagnostic procedure which can identify these traumatic aneurysms. Surgical treatment is discussed.