Basilar Aneurysm -
A 45 year-old woman developed headaches
followed by a right hemiparesis and a right fourth nerve palsy.
CT scan with contast. Note the enhancing circular mass
compressing the upper pons. The circular mass is a fusiform basilar aneurysm. Although aneurysms typically come to
clinical attention by bleeding, rarely they will enlarge and result in
a mass lesion..
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School of Medicine.