Saccular aneurysm of the terminal ICA compressing the III cranial nerve
Diagnosis almost certain
Presentation
Right III CN palsy.
Patient Data
Age: 45 years
Gender: Male
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The MRI sequences show a partially thrombosed saccular aneurysm of the right internal carotid artery at the junction C6/7 segments measuring 11 x 7 mm with a neck measuring 2.5 mm, compressing the adjacent segment of the oculomotor nerve (III) well-visualized on T1 and FIESTA sequences.
Case Discussion
MRI features of a partially thrombosed saccular aneurysm of the right internal carotid artery located at the junction C6/7 segments, compressing the ipsilateral oculomotor nerve (III).
Additional contributor: ZE. Boudiaf MD, CHU, Constantine, Algeria
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