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Table 5 Nidus size of cerebral AVM as evaluated by Spetzler–Martin Score after DSA

From: Clinical and morphological pattern of brain arteriovenous malformations (BAVMs) in a Tertiary Care Hospital in Bangladesh

Venous drainage Number Percentage
S1: <3 cm 14 23.3
S2: 3–6 cm 22 36.6
S3: >6 cm 24 40