Skull Base Surgery of the Posterior Fossa

197

Fig. 14.2 Illustration
showing the five
segments (P1-P5) of the
posterior inferior
cerebellar artery (PICA),
as well as its
relationship to adjacent
structures. AICA anterior
inferior cerebellar artery,
BA basilar artery, VA
vertebral artery (Used
with permission from
Barrow Neurological
Institute, Phoenix,
Arizona)

Fig. 14.3 Illustration showing the anatomy of the basilar artery and its relationship to adjacent neural structures (Used
with permission from Barrow Neurological Institute, Phoenix, Arizona)

14 Microsurgical Management of Posterior Fossa Vascular Lesions