Pathology

Question 1

Most common cause of cerebelovestibular angle tumor
#

Answer 1

VESTIBULAR SHWANOMA 
#unilateral hearing loss, numbness facial

Question 2

Agraphia
Acalculia
FINGER AGNOSIA
Left-right desorientation

Answer 2

GERTSMANN SYNDROME

Dominant parietal cortex

Question 3

Charcot-Bouchard microaneurysm

• RF
• Loc

Answer 3

RF: Chronic HYPERTENSION

Loc: Lenticulostriate arteries in Basal Ganglia, Thalamus

Question 4

Saccular (berry) Aneurysm

• RF
• • common complication

Answer 4

RF: ADPKD, Ehlers-Danlos

+ common complication: Subarachnoid Hemorrhage

Question 5

Saccular Aneurysm (pathology, clinic)
A Com
MCA
P Com

Answer 5

A Com:

compression: optic chiasm -BIlATERAL HEMIANOPSIA
rupture: ischemia ACA - contralat LOWER EXTREMITIES hemiparesis and sensory

MCA:
rupture: contralateral UPPER extremities and lower facial

P Com:
compression: CN III: mydriasis, ptosis and DOWN AND OUT eye

Question 6

Spinocerebellar degeneration- Ataxic GAAit
Dorsal column degeneration (No position and vibration)
Kyphoscholiosis and Pes cavus
HYPERTROFIC CARIOPATHY (death)

Answer 6

Fredrich Ataxia

Question 7

Decrease levels of Ach (decrease in choline acetyltransferase) at hippocampus and N. basalis Meynert

Answer 7

Alzheimer Disease

Question 8

Gait difficulties
Cognitive disorder
Urinary incontinence

Answer 8

NORMAL PRESSURE HYDROCEPHALUS

Question 9

Ataxic gait
Demyelination of Corticospinal tract
And Dorsal columns

(Macrocytic anemia)

Answer 9

Vit B12 Deficiency

Subacute Combined Degeneration

Question 10

Antibodies against presynaptic voltage-gated Ca+ channels

Answer 10

Lambert Eaton Myasthenic Syndrome

Question 11

Brain Tumor
Biphasic
Hypercellularity with hypercellularity
S-100 +

Answer 11

Schwannoma

Question 12

Brain tumor
Pseudopalisading necrosis
Cross the midline "butterfly distribution"
Necrosis and Vascular proliferation
Highly malignant

Answer 12

GLIOBLASTOMA MULTIFORME

Question 13

Brain Tumor
Arachnoid origin
Whorled Pattern of growth
Psamomma bodies

Answer 13

MENINGIOMA

Question 14

Personality changes, disinhibition, and irritability

Region of the brain..

Answer 14

Orbitofrontal Coterx (OFC)