String of pearls sign (watershed infarction)

Last revised by Frank Gaillard ◉ ◈ on 8 Mar 2021

Citation, DOI, disclosures and article data

Citation:

Gaillard F, String of pearls sign (watershed infarction). Reference article, Radiopaedia.org (Accessed on 26 Sep 2023) https://doi.org/10.53347/rID-87574

DOI:

https://doi.org/10.53347/rID-87574

Permalink:

https://radiopaedia.org/articles/87574

rID:

87574

Article created:

8 Mar 2021, Frank Gaillard ◉ ◈

Disclosures:

At the time the article was created Frank Gaillard had no recorded disclosures.

View Frank Gaillard's current disclosures

Last revised:

8 Mar 2021, Frank Gaillard ◉ ◈

Disclosures:

At the time the article was last revised Frank Gaillard had no recorded disclosures.

View Frank Gaillard's current disclosures

Revisions:

2 times, by 1 contributor - see full revision history and disclosures

Systems:

Central Nervous System

Sections:

Signs

The string of pearls sign is seen on diffusion-weighted imaging of T2/FLAIR as a series of rounded areas of signal abnormality adjacent to, but separate from, the lateral ventricle. This represents a deep border zone infarct between the penetrating cortical arteries and ascending perforating arteries ¹.