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Spontaneous dissection of intracranial vertebral artery: clinical recovery with conservative treatment.

Sir: Spontaneous dissection of cerebral arteries is an uncommon, though increasingly recognised cause of cerebrovascular disease. The dissection of the intracranial vertebrobasilar system usually causes death, except in a few recent surgically treated cases. We describe a case of non-traumatic dissection of the intracranial vertebral artery with a double lumen arteriographic sign. Cervical immobilisation, anti-platelet therapy and absolute rest led to complete recov-