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BACKGROUND AND IMPORTANCE: Giant fusiform aneurysms of the basilar artery are associated with a high rate of morbidity and mortality. Treatment of these lesions can be difficult, especially when there are poor anatomic collaterals such as posterior communicating arteries. These lesions often have no acceptable treatment. The authors present a case of a patient with a symptomatic, fusiform basilar artery aneurysm successfully treated with a side-by-side (double-barrel), telescoping stent construct.

CLINICAL PRESENTATION: A 56-year-old man presented with chief concerns of dysarthria and left-sided hemiparesis. MRI and conventional catheter-based angiography revealed a dolichoectatic basilar artery with 3 large fusiform aneurysms throughout its length. Flow through the patient's aneurysm was successfully reduced with a side-by-side stent construct and coiling of the proximal aneurysm dilation. The …