Suboccipital approach

Types of suboccipital approach:

Midline suboccipital approach

Retrosigmoid approach

Far lateral 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

see 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.