POSTERIOR CEREBRAL ARTERY Flashcards
1
Q
WHERE DOES THE PCA BEGIN?
A
TERMINAL BRANCH OF BA
2
Q
WHAT DOES THE PCA SUPPLY?
A
POSTEROMEDIAL SURFACE OF TEMPORAL LOBE & OCCIPITAL LOBE INCL VISUAL CORTEX
3
Q
WHAT ARE THE 4 SEGMENTS OF PCA?
A
P1 - PRECOMMUNICATING - BASILAR TIP>PcomA
P2 (ANT.) - SUBSEGMENT WITHIN CRURAL CISTERN
P2 (POST) - SUB-SEGMENT WITHIN AMBIENT CISTERN
P3 - IN QUADRIGEMINAL CISTERN BEHIND BRAINSTEM
P4 - CORTICAL SEGMENT - CALCARINE ATERY & FISSURE
4
Q
WHAT IS THE COMMON VARIABLE IN PCA?
A
P1 EITHER SMALLER OR ABSENT, CAN OCCUR BILATERALLY
