AVM classification according to Spetzler and Martin
Last edit by Alaric Steinmetz on
Synonyms: Spetzler Martin Grade, SM Graduierung
The classification by Spetzler and Martin was published in 1986[^1] and serves as a categorization of arteriovenous malformations (AVMs) into a point system based on size, location, and venous drainage.
Classification
Size of AVM | Points |
<3 cm | 1 |
3–6 cm | 2 |
> 6 cm | 3 |
Eloquence of Brain Region | Points |
Low | 0 |
High (Language, Motor, Vision, Brainstem, Basal ganglia, Thalamus, Cerebellar peduncle, Hypothalamus) | 1 |
Venous Drainage | Points |
Superficial Sinus | 0 |
Deep brain veins | 1 |
Figure
