Basilar invagination

Case contributed by Dr Paresh K Desai

Presentation

MRI done 3 days following head injury.

Patient Data

Age: 76
Gender: Male
Modality: MRI

Tip of the odontoid is 5mm above the level of Foramen magnum (MacRae's Line). The pro-atlas is seen to articulate with inferior margin of clivus with large osteophytes at this neo-articulation.

The transverse ligament is thickened and is indenting the brainstem. No abnormal signal intensity in the brainstem.

Case Discussion

Incidental detection of basilar invagination.

Patient incidentally had "Kissing carotids"

Final diagnosis: Basilar invagination

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Case Information

rID: 10636
Case created: 28th Aug 2010
Last edited: 19th Dec 2015
Inclusion in quiz mode: Included

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