Greenberg Vascular

Question 1

What aneurysmal dimensions are considered good indications for coiling?

Answer 1

• Size <15 mm
• Dome:neck ratio >2
• Neck <5 mm

Question 2

TCD intrepretation?

Answer 2

Also note: >200 cm/s indicative, or an increase of 50 cm/s

Question 3

What syndrome leads to telangiectasia, AVMs?

Answer 3

Osler-Weber-Rendu syndrome, autosomal dominant.

Question 4

Features of cavernomas?

Answer 4

Most often angiographically occult - only visible on MRI (‘popcorn’ on SWI)

Associated to DVA

Presents usually with seizures.

Stains for vWF

Gene: CCM1/2/3

Risk of hemorrage (first time): 0,1% yearly, higher if spinal/brainstem or previous bleed