The vascular layers on the rostral ventrolateral medulla (original) (raw)

Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie, 2012

Abstract

There has been a keen interest in assessing the neurovascular anatomy of the rostral ventrolateral medulla oblongata (RVLM). The present study was aimed at documenting the complete neurovascular anatomy of the RVLM, in order to offer a general picture of the possible offending vessels of this area, which seems to be involved in the pathogeny of the essential hypertension. Noteworthy, syndromes of the last cranial nerves could be due to vascular contacts or compressions. The present study was performed on 20 human adult brainstem-cerebellum blocks, dissected out of the posterior cerebral fossa at autopsies. The origins of the inferior cerebellar arteries (anterior--AICA and posterior--PICA) were traced bilaterally (n=40 sides). When present (26/40) AICA most frequently left the basilar artery and PICA (28/40) most frequently left the vertebral artery. At the level of the RVLM, a quadrilateral space delimited by the vertebral artery (VA) and the vertebrobasilar junction, the AICA and ...

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