The Spetzler–Martin classification was published in 1986[^1] and is used to categorize arteriovenous malformations (AVMs) using a point-based system according to size, location, and venous drainage.
Classification
AVM size | Points |
<3 cm | 1 |
3 - 6 cm | 2 |
> 6 cm | 3 |
Eloquence of the brain region | Points |
Low | 0 |
High (language, motor function, vision, Brainstem, Basal ganglia, Thalamus, Cerebellar peduncle, Hypothalamus) | 1 |
Venous drainage | Points |
Superficial Sinus | 0 |
Deep cerebral veins | 1 |