Arteriovenous Malformations of the Brain

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Abstract
The report on proton-beam therapy in this issue1 has been awaited by neurologists, neurosurgeons, and other physicians who care for patients with an intracranial arteriovenous malformation. The results of this treatment are complex.In this study, performed by Kjellberg et al., no protection from rebleeding was conferred in the first year or so after treatment. Furthermore, the rate of total obliteration of the lesions ("wipe-out") thereafter was low (20 per cent). However, paradoxically and in contrast to incomplete surgical excision, in which any residual arteriovenous malformation remains dangerous, proton therapy may have conferred some protection from rebleeding even in the . . .