Blood Supply

Question 1

anterior spinal distribution

Answer 1

ventral 2/3 of spinal cord and medial medulla

Question 2

anterior spinal symptoms: branch in spinal cord

Answer 2

paralyis and loss of protopathic below occlusion (bilaterally)

Question 3

anterior spinal symptoms: medial medulla

Answer 3

contralateral sensory loss and paresis

ipsilateral tongue aralysis

Question 4

PICA distribution

Answer 4

dorsolateral medulla and pons, medial cerebellum and cerebellar cortex

Question 5

PICA symptoms

Answer 5

wallenburg’s syndrome: vertigo, loss of balance, ipsilateral cerebellar signs (tremor and ataxia), loss of facial pain and hoarseness

Question 6

AICA distribution

Answer 6

inferior surface of cerebellar cortex, dorsolateral pons

Question 7

AICA symptoms

Answer 7

ipsilateral cerebellar signs (tremor and ataxia), facial paralysis, ipsilateral hearing loss, and loss of facial protopathic sense ipsilaterally

Question 8

basilar branches distribution

Answer 8

pons and anterior midbrain (crus cerebri)

Question 9

basilar branches symptoms

Answer 9

loss of sensation in the face, body and limbs

can also affect eye movements and cause diploplia

Question 10

superior cerebellar distribution

Answer 10

duperior surface of cerebellum, dorsolateral corner of rostral pons

Question 11

superior cerebellar symptoms

Answer 11

ipsilateral cerebellar signs, contralateral protopathic loss and horner’s syndrome

Question 12

posterior cerebral distribution

Answer 12

occipital lobe, medial portions of parietal and temporal lobes, anterior and posterior midbrain, crus cerebri and posterior thalamus

Question 13

posterior cerebral symptoms

Answer 13

unilateral: blindness in visual field contralateral to affected side, alexia if on left side
bilateral: (top of the basilar occlusion) bilateral blindness, memory loss, somatosensory loss, coma and death

Question 14

posterior communicating branches distribution

Answer 14

anterior midbrain, crus cerebri and thalamus

Question 15

posterior communicating symptoms

Answer 15

contralateral paresis, coma and death

Question 16

middle cerebral distribution

Answer 16

lateral surface of cortex and insula

Question 17

middle cerebral symptoms

Answer 17

contralateral paralysis and sensory loss, apraxia, aphasia and partial blindness

Question 18

anterior cerebral distribution

Answer 18

medial surface of parietal and frontal lobes

Question 19

anterior cerebral symptoms

Answer 19

contralateral paralysis and sensory loss in leg and foot, sometimes apraxia

Question 20

lenticulostriate distribution

Answer 20

basal ganglia, amygdala, internal capsule and anterior thalamus

Question 21

lenticulostriate symptoms

Answer 21

involuntary movements (BG), paralysis, sensory deficites over entire 1/2 of body, homonymous visual field deficits (internal capsule)

Question 22

anterior choroidal distribution

Answer 22

hippocampus, anterior choroid plexus, posterior internal capsule

Question 23

anterior choroidal symptoms

Answer 23

paralysis, sensory deficits and visual field defect (internal capsule)