L sign (brain)

Last revised by Bahman Rasuli on 26 Feb 2021

Citation, DOI, disclosures and article data

Citation:

Gaillard F, Rasuli B, Hacking C, et al. L sign (brain). Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-49412

DOI:

https://doi.org/10.53347/rID-49412

Permalink:

https://radiopaedia.org/articles/49412?iframe=true

rID:

49412

Article created:

23 Nov 2016, Frank Gaillard ◉ ◈

Disclosures:

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

View Frank Gaillard's current disclosures

Last revised:

26 Feb 2021, Bahman Rasuli ◉

Disclosures:

At the time the article was last revised Bahman Rasuli had no recorded disclosures.

View Bahman Rasuli's current disclosures

Revisions:

5 times, by 4 contributors - see full revision history and disclosures

Systems:

Central Nervous System

Sections:

Anatomy, Signs

The L sign is one of the features useful in identifying the central sulcus on cross-sectional imaging.

On axial images, the superior frontal gyrus at its posterior aspect meets the precentral gyrus in an "L" configuration (forwards on the left, backward on the right). The central sulcus is the next posterior sulcus ¹.

L sign (brain)

Citation, DOI, disclosures and article data

See also

References

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