Trigeminal neuralgia: vascular compression

Case contributed by Dr Praveen Jha


Typical trigeminal neuralgia presentation on the right side.

Patient Data

Age: 30 years
Gender: Male

MRI Brain

Superior cerebellar artery is seen to impress the root of trigeminal nerve, with mild buckling of the nerve.

Annotated image

Annotated T2WI demonstrating relationship of the right superior cerebellar artery (SCA) to the trigeminal nerve. 

Case Discussion

One of the common causes of trigeminal neuralgia, where MRI is particularly helpful, is compression of trigeminal nerve by loops of superior cerebellar artery or anterior inferior cerebellar artery. This case classically depicts such abnormality. Patient underwent surgery, and diagnosis was confirmed.

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Case information

rID: 18299
Published: 27th Jun 2012
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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