Arachnoid hyperplasia

Last revised by Aneta Kecler-Pietrzyk on 9 Aug 2018

Citation, DOI, disclosures and article data

Citation:

Kecler-Pietrzyk A, Arachnoid hyperplasia. Reference article, Radiopaedia.org (Accessed on 01 Apr 2023) https://doi.org/10.53347/rID-62244

DOI:

https://doi.org/10.53347/rID-62244

Permalink:

https://radiopaedia.org/articles/62244

rID:

62244

Article created:

7 Aug 2018, Aneta Kecler-Pietrzyk

Disclosures:

At the time the article was created Aneta Kecler-Pietrzyk had no recorded disclosures.

Last revised:

9 Aug 2018, Aneta Kecler-Pietrzyk

Disclosures:

At the time the article was last revised Aneta Kecler-Pietrzyk had no recorded disclosures.

Revisions:

Systems:

Central Nervous System

Tags:

optic nerve glioma, neurofibromatosis

Arachnoid hyperplasia refers to an extensive thickening of meninges surrounding optic glioma often seen in patients with neurofibromatosis.

It appears as high signal on T2 sequences surrounding the low signal glioma and resembles perineural CSF space.

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