Intracranial aneurysm

Case contributed by The Radswiki
Diagnosis certain

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

ct
Axial bone
window
Axial C+
arterial phase
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Info

A homogeneous isodense mass lesion is noted at right cavernous sinus with avid post-contrast enhancement, suggestive of vascular lesion. It is eroding adjacent bones and extending to right temporal fossa.

mri
Axial
T1 C+
Axial
T1 C+
Axial
T2
Axial
FLAIR
Axial
Gradient Echo
Axial
TOF
Sagittal
TOF
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Info

MR images demonstrate a right-sided large cavernous sinus aneurysm, mimicking a cavernous sinus mass. 

Case Discussion

Although the enhancement characteristic is very typical of an aneurysm, other considerations include: 

This case was donated to Radiopaedia.org by Radswiki.net.

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