Suboccipital approach
Types of suboccipital approach:
Awareness of the existence of an extradural origin of the PICA and a direct connection of this vessel with the occipital artery (OA) is of great relevance to the muscular stage of suboccipital approaches to the posterior craniovertebral junction 1).
Suboccipital craniotomy
1)
Tayebi Meybodi A, Lawton MT, Benet A. Dual Origin of Extradural Posterior
Inferior Cerebellar Artery From Vertebral and Occipital Arteries: Anatomic Case
Report. Neurosurgery. 2015 Jul 31. [Epub ahead of print] PubMed PMID: 26237343.