Klippel-Trénaunay Syndrome with Intracranial Arteriovenous Malformation: A Rare Presentation

Table 1

Spetzler-Martin AVM Grading Scale. The score is calculated by summing the points for each category.

AVM size	Adjacent eloquent cortex	Draining veins
Under 3 cm = 1	Noneloquent = 0	Superficial only = 0
3–6 cm = 2	Eloquent = 1	Deep veins = 1
Over 6 cm = 3