Volcano sign (meningioma)

Last revised by Mostafa Elfeky on 2 Dec 2018

Citation, DOI, disclosures and article data

Citation:

Elfeky M, Volcano sign (meningioma). Reference article, Radiopaedia.org (Accessed on 23 Apr 2024) https://doi.org/10.53347/rID-64614

DOI:

https://doi.org/10.53347/rID-64614

Permalink:

https://radiopaedia.org/articles/64614

rID:

64614

Article created:

1 Dec 2018, Mostafa Elfeky ◉

Disclosures:

At the time the article was created Mostafa Elfeky had no recorded disclosures.

View Mostafa Elfeky's current disclosures

Last revised:

2 Dec 2018, Mostafa Elfeky ◉

Disclosures:

At the time the article was last revised Mostafa Elfeky had no recorded disclosures.

View Mostafa Elfeky's current disclosures

Revisions:

1 time, by 1 contributor - see full revision history and disclosures

Systems:

Central Nervous System, Oncology

Sections:

Signs

Volcano sign refers to the appearance of classical meningioma that resembels the appearance of volcano (viewed in cross-section MRI, parallel to dural attachment) in which there is triangular hyperostosis at the base of the meningioma (mountain) with the tumor being the cloud around it. The intratumoral flow voids radiating from the apex of the hyperostosis looks like the ejected debris from the volcano which coincides with the intratumoral vascularity (also represented with sunburst sign or spoke wheel sign).