Basal rupture of saccular aneurysm

A pathological case report

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✓ In a case of subarachnoid hemorrhage, the arteries of the circle of Willis were left undisturbed and undissected at postmortem examination. A block of frontal lobe tissue with the attached vessels was serially sectioned disclosing in its entirety a saccular aneurysm that had ruptured at the base rather than the dome. The histology of the hemostatic process was clearly depicted.

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Contributor Notes

Address reprint requests to: C. Miller Fisher, M.D., Department of Neurology, Massachusetts General Hospital, Fruit Street, Boston, Massachusetts 02114.

© AANS, except where prohibited by US copyright law.

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    Crawford T: Some observations on the pathogenesis and natural history of intracranial aneurysms. J Neurol Neurosurg Psychiatr 22:2592661959Crawford T: Some observations on the pathogenesis and natural history of intracranial aneurysms. J Neurol Neurosurg Psychiatr 22:259–266 1959

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