Venous distension sign

Last revised by Subhan Iqbal on 2 Mar 2021

Citation, DOI, disclosures and article data

Citation:

Dixon A, Iqbal S, St-Amant M, et al. Venous distension sign. Reference article, Radiopaedia.org (Accessed on 24 Apr 2024) https://doi.org/10.53347/rID-17462

DOI:

https://doi.org/10.53347/rID-17462

Permalink:

https://radiopaedia.org/articles/17462

rID:

17462

Article created:

16 Apr 2012, Andrew Dixon ◉

Disclosures:

At the time the article was created Andrew Dixon had no recorded disclosures.

View Andrew Dixon's current disclosures

Last revised:

2 Mar 2021, Subhan Iqbal

Disclosures:

At the time the article was last revised Subhan Iqbal had no recorded disclosures.

View Subhan Iqbal's current disclosures

Revisions:

3 times, by 3 contributors - see full revision history and disclosures

Systems:

Central Nervous System

Sections:

Signs

Tags:

intracranial hypotension, dural sinus

Synonyms:

Venous distention sign of intracranial hypotension

The venous distension sign is a finding that may be identified on sagittal imaging of the dural venous sinuses which is said to have a diagnostic sensitivity and specificity of 94% for intracranial hypotension.

The sign is positive when there is a convex inferior margin of the midportion of the dominant transverse sinus on a sagittal image. This is distinct from the normal appearance of this segment which usually has a concave or straight lower margin ^1,2.