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TENC Neurocirurgia Practice Questions - TENC - Título De Especialista Em Neurocirurgia (Sociedade Brasileira De Neurocirurgia AMB) Exam

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A 32-year-old man is evaluated after a first unprovoked generalized tonic-clonic seizure. Brain MRI and catheter cerebral angiography demonstrate a 3.5 cm arteriovenous malformation (AVM) located in the left postcentral gyrus (primary somatosensory cortex). Venous drainage is directed into the internal cerebral veins via the deep striothalamic venous system. According to the Spetzler-Martin AVM grading scale, what is the score for this lesion?
Correct Answer:
Grade IV

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