NEURO

Question 1

masses in anterior half of lateral ventricless

Answer 1

• ependymoma - subependymoma - SEGA - central neurocytoma

Question 2

craniosynostosis frequency

Answer 2

sagittal > coronal > metopic > lambdoid

Question 3

arterial supply to posterior limb of IC

Answer 3

anterior choroidal

Question 4

arterial supply to caudate head

Answer 4

medial lenticulostriate + recurrent artery of Heubner (A1)

Question 5

arterial supply to lentiform nucleus

Answer 5

lateral lenticulostriate (M1)

Question 6

arterial supply to thalami

Answer 6

P1 (penetrating branches)

Question 7

MC locations of spinal cord astrocytomas

Answer 7

thoracic > cervical

Question 8

MC location of spinal cord ependymoma

Answer 8

cervical

Question 9

Li-Fraumeni associated pediatric brain tumor

Answer 9

choroid plexus carcinoma

Question 10

where is choroid NOT found?

Answer 10

frontal horns, posterior horns, cerebral aqueduct

Question 11

what hormone may hemangioblastomas produce?

Answer 11

EPO

Question 12

CBF =

Answer 12

CBV/MTT

Question 13

What involves subcortical U fibers?

Answer 13

PML

Question 14

blood supply to JNA

Answer 14

internal maxillary artery

Question 15

toxic leukoencephalopathy involves which regions?

Answer 15

• posterior limb of IC - bilat centrum semiovale - cerebellar deep white matter with SPARING of dentate nuclei

Question 16

MC cord level for astrocytoma

Answer 16

cervical

Question 17

atrophy of which structures in Wernicke’s?

Answer 17

mammillary bodies and vermis

Question 18

T2/FLAIR hyperintensity of which structures in Wernicke’s?

Answer 18

• mamillary bodies - dorsomedial thalami - periaqueductal grey - tectal plate

Question 19

spectroscopy in wernicke’s

Answer 19

elevated lactate peak

Question 20

trilateral RB

Answer 20

bilateral ocular RB + sellar/suprasellar or pineal

Question 21

MC cord level for hemangioblastoma

Answer 21

thoracic

Question 22

sign and disease (2 names)

Answer 22

• eye of the tiger
• PKAN
• Hallervorden Spatz

Question 23

noncompaction cardiomyopathy ratio

Answer 23

> 2.3:1

Question 24

what is purple arrow pointing to?

Answer 24

tympanic segment of facial nerve

Question 25

what is pink arrow pointing to?

Answer 25

cochlear promontory

Question 26

Answer 26

cavum veli interpositi

Question 27

order of suture closure

Answer 27

metopic --\> coronal --\> lambdoid --\> sagittal

Question 28

plagiocephaly

Answer 28

unilateral coronal synostosis

Question 29

3 locations of venous epidural hematomas

Answer 29

- vertex - anterior temporal lobe - clivus

Question 30

what is injured in anterior temporal EDH? surgical management?

Answer 30

sphenoparietal dural venous sinus no

Question 31

what kind of scan? dx? - after how long see uptake?

Answer 31

- Ga-67 - AIN \> 48 h

Question 32

dx? what does blue arrowhead indicate?

Answer 32

Chiari 2 tectal beaking

Question 33

stages of neurocysticercosis

Answer 33

vesicular --\> colloidal vesicular --\> granular nodular --\> nodular calcified

Question 34

what differentiates colloidal vesicular from vesicular stage of neurocysticercosis?

Answer 34

increased perilesional edema/enhancement in colloidal vesicular

Question 35

stages of neurocysticercosis

Answer 35

vesicular --\> colloidal vesicular --\> nodular granular --\> calcified