15 Deep Arteriovenous Malformations Microsurgical Anatomy Brain Deep arteriovenous malformations (AVMs) are situated in the insula and central core of the hemisphere. Although these areas lie beneath portions of frontal,…

16 Brainstem Arteriovenous Malformations Microsurgical Anatomy Brain Structures in the posterior fossa occur in “3’s.” The brainstem is composed of midbrain, pons, and medulla; superior, middle, and inferior cerebellar peduncles…

13 Parieto-Occipital Arteriovenous Malformations Microsurgical Anatomy Brain Divisions between the parietal and occipital lobes are somewhat arbitrary. Although they are divided by the parieto-occipital sulcus on the medial hemisphere, there…