Initial head CT showed a left frontal intracranial hemorrhage. The second CT showed a new subarachnoid component (SAH). A cerebral angiogram showed no evidence of aneurysm or vascular malformation.

Figure 1. CT with coronal reconstruction showing a slightly hyperdense content as related to the cerebral tissue within the left frontal sinus, with herniation into the orbital cavity. MRI is useful ...

Following a 5 cm left frontal lobectomy for the removal of a mixed astrocytoma-oligodendroglioma, a 51 year old right handed man showed a marked dissociation between his performance on standard ...