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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