Spetzler-Martin classification
Size of nidus
<3 cm
+1
3-6 cm
+2
>6 cm
+3
Eloquence of adjacent brain
Noneloquent
Frontal lobe, temporal lobe, cerebellar hemispheres. 0
Eloquent
Sensorimotor / language / visual cortex, hypothalamus, thalamus, brain stem, cerebellar nuclei, or regions directly adjacent to these structures. +1
Venous drainage
Superficial only.
0
Deep.
+1
References
A proposed grading system for arteriovenous malformations. J Neurosurg. 1986 Oct;65(4):476-83
doi:
10.3171/jns.1986.65.4.0476
close