Lecom - Neuroanatomy 10: Cerebral Hemispheres And Blood Supply

Front 1

Motor to arms, hands, face, and left Broca's

Back 1

MCA Superior

Front 2

Hearing, olfaction, left Wernicke's

Back 2

MCA Inferior

Front 3

Lenticulo straie lost; arteries are ok

Back 3

MCA deep results in what?

Front 4

Limbic

Back 4

ACA Pericollosal

Front 5

Leg, knee, trunk

Back 5

ACA Collosomarginal

Front 6

Vision, memory

Back 6

PCA

Front 7

Smile, raise arms, speak simple sentences

Back 7

Warning signs of ischemia - Neurological deficit in 10 minutes

Front 8

Small clot which dissolves, thrombus, vasospasm

Back 8

Transient Ischemic Attack

Front 9

Neurological deficit, headache, possible seizures

Back 9

Signs of stroke

Front 10

Involves hematomas

Back 10

Hemorrhagic stroke

Front 11

Ischemic and embolic

Back 11

Two types of Ischemic strokes - Inactive patient, stationary clot, gradual symptoms usually in the morning when BP is low

Front 12

Deficits in same distribution with repeated attacks

Back 12

Thrombic stroke - Maximum deficit at onset

Front 13

Sudden, usually with exercise, repeat events occur in different locations

Back 13

Embolic Stroke

Front 14

Vascular changes, basal ganglia, thalamus, cerebellum (lenticulosteines)

Back 14

Hypertensive Stroke - ACA, MCA - Opthalmic (blind in one eye) - Atherosclerosis

Front 15

May be revealed by bruit

Back 15

Carotid Artery Stenosis

Front 16

Which form of stroke may be revealed by bruit?

Back 16

Carotid Artery Stenosis Stroke

Front 17

4 segments of the ICA

Back 17

cervical

petrous

cavernous

supraclinoid

Front 18

cavernous ICA includes ___

Back 18

carotid siphon

Front 19

5 branches of supraclinoid ICA

Back 19

ophthalmic

PComm

anterior choroidal

ACA

MCA

Front 20

2 branches of ACA

Back 20

pericallosal

callosomarginal

Front 21

pericallosal a. runs along ___

callosomarginal runs along ___

Back 21

corpus callosum

cingulate sulcus

Front 22

basal ganglia and internal capsule are perfused by ___ branches of ___ (3)

Back 22

penetrating

ACA

MCA

PCA

Front 23

___ is the main penetrating branch of ACA

Back 23

recurrent a. of Heubner

Front 24

recurrent a. of Heubner perfuses parts of ___ (4)

Back 24

head of caudate

ant. putamen

GP

internal capsule

Front 25

anterior choroidal perfuses parts of ___ (4)

Back 25

GP

putamen

thalamus

posterior limb of internal capsule

Front 26

penetrating branches of MCA are called ___

Back 26

lenticulostriate a.s

Front 27

lenticulostriate a.s perfuse ___ (4)

Back 27

caudate body

internal capsule

putamen

GP

Front 28

penetrating branches of PCA are called ___ or ___ a.s

Back 28

thalamoperferator

thalamogeniculate

Front 29

L MCA superior branch occlusion presents with ___ (3) and sometimes ___ (2)

Back 29

Broca’s aphasia

R face weakness

R arm weakness

R face cortical hypesthesia

R arm cortical hypesthesia

Front 30

L MCA inferior branch occlusion presents with ___ (2) and sometimes ___

Back 30

Wernicke’s aphasia

R hemianopia

R face cortical hypesthesia

R arm cortical hypesthesia

Front 31

L MCA deep branch occlusion presents with ___

Back 31

R pure motor hemiparesis

Front 32

R MCA superior branch occlusion presents with ___ (2) and possibly ___

Back 32

L face weakness

L arm weakness

L hemineglect

Front 33

R MCA inferior branch occlusion presents with ___ and possibly ___ (4)

Back 33

severe L hemineglect

L field cut

L sensory deficit

L motor neglect with strength intact

R gaze preference

Front 34

R MCA deep branch occlusion presents with ___

Back 34

L pure motor hemiparesis

Front 35

L ACA occlusion presents with ___ (2) and possibly ___ (2)

Back 35

R leg weakness

R leg cortical hypesthesia

frontal release signs

transcortical aphasia

Front 36

R ACA occlusion presents with ___ (2) and possibly

Back 36

L leg weakness

L leg cortical hypesthesia

frontal release signs

L hemineglect

Front 37

L PCA occlusion presents with ___ and possibly ___ (4)

Back 37

R homonymous hemianopia

alexia without agraphia

aphasia

R hemisensory loss

R hemiparesis

Front 38

alexia without agraphia occurs from ___ infarction

Back 38

splenium of corpus callosum

Front 39

infarction of L thalamus can result from ___ and cause ___ (3)

Back 39

aphasia

R hemisensory loss

R hemiparesis

Front 40

occlusion of R PCA presents with ___ and possibly ___ (2) if it involves ___ (2)

Back 40

L homonymous hemianopia

L hemisensory loss

L hemiparesis

thalamus

internal capsule

Front 41

frontal lobe sx associated with ACA occlusion

Back 41

apraxia

abulia

grasp reflex

incontinence

Front 42

ACA occlusion involving SMA can cause ___

Back 42

alien hand syndrome

Front 43

alien hand syndrome means ___

Back 43

semiautomatic involuntary movements

Front 44

dominant ACA occlusion can present with ___

Back 44

transcortical motor aphasia

Front 45

in transcortical motor aphasia ___ is impaired but ___ (2) is intact

Back 45

speech production

language comprehension

repetition

Front 46

5 lacunar syndromes idoof

Back 46

pure motor hemiparesis or dysarthria hemiparesis

ataxic hemiparesis

dysarthria/clumsy hand

pure sensory

sensorimotor

Front 47

pure motor hemiparesis localizes to ___ (4)

Back 47

corona radiata

posterior limb of internal capsule

basis pedunculi

basis pontis

Front 48

posterior limb of internal capsule is perfused by ___ (3)

Back 48

lenticulostriate a.s

ant choroidal a.

perforating branches of PCA

Front 49

ventral pons is perfused by ___

Back 49

ventral penetrating branches of basilar a.

Front 50

corona radiata is perfused by ___

Back 50

MCA

Front 51

cerebral peduncle is perfused by ___

Back 51

PCA

Front 52

ataxic hemiparesis localizes to ___ (4)

Back 52

corona radiata

post limb of internal capsule

basis pedunculi

basis pontis

Front 53

pure sensory stroke localizes to ___

Back 53

VPLN

Front 54

VPLN is perfused by ___

Back 54

PCA thalamoperforator branches

Front 55

sensorimotor stroke localizes to ____ and one of ___ (2)

Back 55

posterior limb of internal capsule

VPLN

thalamic somatosensory radiation

Front 56

headache occurs in ___% of ischemic stroke

it is usually ___lateral to infarct

Back 56

25-30

ipsi

Front 57

carotid stenosis is associated with infarctions in ___ (3) territories

Back 57

MCA

ACA

ophthalmic a.

Front 58

2 kinds of intracranial venous drainage

Back 58

superficial

deep

Front 59

superficial intracranial veins drain into ___ (2)

deep veins drain into ___

Back 59

SSS

cavernous sinus

GVG

Front 60

cavernous sinus drains into ___ (2)

Back 60

transverse sinus

internal jugular

Front 61

cavernous sinus drains into transverse sinus via ___

Back 61

superior petrosal sinus

Front 62

cavernous sinus drains into internal jugular via ___

Back 62

inferior petrosal sinus

Front 63

___ vein runs in sylvian fissure

Back 63

deep middle cerebral

Front 64

deep middle cerebral vein joins ___ to become ___

Back 64

anterior cerebral vein

basal vein of Rosenthal

Front 65

basal v. of Rosenthal joins ___ (2) to become ___

Back 65

internal cerebral veins

contralateral basal v. of Rosenthal

GVG

Front 66

veins running over convexity of brain are called ___

Back 66

cortical veins

Front 67

cortical vein running over sylvian fissure is ___

Back 67

superficial middle cerebral vein

Front 68

superficial MCV drains into ___

Back 68

cavernous sinus

Front 69

___ connects superficial MCV with SSS

___ connects it with transverse sinus

Back 69

superior anastomotic vein of Trolard

inferior anatomotic vein of Labbe

Front 70

homonymous hemianopia without other deficits localizes to ___

Back 70

1' visual cortex

Front 71

if carotid doppler shows no flow, ___ is indicated

Back 71

angiogram to distinguish stenosis from occlusion