Neurosurgery
Spetzler-Martin Arteriovenous Malformation Grading Scale calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
Complete all required inputs to calculate the score.
Formula inputs
- Maximum arteriovenous malformation nidus diameter
- Adjacent eloquent brain
- Deep venous drainage
Primary source
Spetzler RF, Martin NA. A proposed grading system for arteriovenous malformations. J Neurosurg. DOI: 10.3171/jns.1986.65.4.0476. PMID: 3760956 (1986)
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