Spetzler RF, Martin NA: A Proposed Grading System for Arteriovenous Malformations. J Neurosurg 65: 476-83, 1986.

 

feature

grade

points

size

small (<3cm)

1

medium   (3-6cm)

2

large

(>6cm)

3

eloquence

non-eloquent

0

eloquent

1

venous drainage

superficial

0

deep

1

 

Česky