Sagittal sinus occlusion by intraluminal dural cysts

Report of two cases

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✓ Lesions involving the sagittal sinus typically present as masses compressing the sinus externally. The authors describe two cases of lesions entirely within the lumen of the sagittal sinus. In one of the cases, syncope was the presenting symptom and surgical resection of the cyst was performed. An entirely intraluminal cyst, consistent with a dural cyst, was resected, followed by reconstruction of the sinus and resolution of symptoms. Entirely intraluminal lesions of the sagittal sinus have rarely been reported as incidental findings. This represents the first report of symptomatic occlusion of a venous sinus by an intraluminal cyst.

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Address reprint requests to: Jeffrey G. Ojemann, M.D., Department of Neurological Surgery, Box 8057, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, Missouri 63110.

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