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  • Title: Noninvasive neuroimaging of basilar artery dolichoectasia in a patient with an isolated abducens nerve paresis.
    Author: Goldenberg-Cohen N, Miller NR.
    Journal: Am J Ophthalmol; 2004 Feb; 137(2):365-7. PubMed ID: 14962438.
    Abstract:
    PURPOSE: To describe the neuroimaging findings in a patient with an isolated abducens nerve palsy caused by a dolichoectatic basilar artery. DESIGN: Retrospective case report. METHODS: A 65-year-old man presented with a 3-year history of gradually worsening horizontal double vision. He subsequently underwent magnetic resonance imaging, magnetic resonance angiography, and computed tomographic angiography. RESULTS: Neuroimaging revealed dolichoectasia of the basilar artery. The enlarged, tortuous vessel appeared to be compressing the subarachnoid portion of the nerve at its exit from the brainstem. CONCLUSION: Noninvasive neuroimaging studies are sufficient to establish a diagnosis of basilar artery dolichoectasia in patients with isolated cranial neuropathies.
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