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Question 1

Luxury perfusion

Answer 1

Normal or increased perfusion of brain in subacute stroke

Identified on perfusion scan

Question 2

Planum sphenoidale

Answer 2

Flat bit of sphenoid centrally, just posterior to cribriform plate

Question 3

Dorellos canal

Answer 3

Houses Abducens nerve
From pontine cistern to cavernous sinus
Inflammation from petrous apicitis causing abducens nerve symptoms is called Gradenigo syndrome

Question 4

Meckels cave

Answer 4

Houses trigeminal ganglion

Protrudes from posterior fossa, posterolateral to cavernous sinus

Question 5

Trigeminal nerve foramina

Answer 5

Superior orbital fissure, foramen rotundum, foramen ovale

Question 6

DVA

Answer 6

Malformation of veins draining normal vein
Most common cerebral vascular malformation
Caput medusae of veins draining to a single larger vein