Fingernail disorders: what are Beau lines?

August 26, 2009


FINGERNAIL
DISORDERS:

Beau line - a disorder in the fingernail

Beau's lines - fingernail disorders

Beau lines

 

What are Beau lines?

Beau’s lines are horizontal grooves in the nail plate that represent an arrest or slow-down in the growth of the fingernail (more specific: the nail matrix).

The depth and width of the Beau line reveals the abruptness and duration of the causal event, and Beau lines move distally with the growth of the nail plate.

This finger nail condition was named by a French physician, Joseph Honoré Simon Beau (1806–1865), who first described the condition in 1846.

What causes Beau lines?

Beau’s lines are usually caused by:

• a sever medical event;
• allergic reaction to medication;
• infection in the nail fold;
• skin disease;
• systemic disease;
• or a serious trauma.

MORE ABOUT THIS FINGERNAIL DISORDER:
Beau line – a fingernail disorder

PHOTO: Beau lines in various fingernails:

Beau lines in various fingernails

SUGGESTIONS FOR FURTHER READING:
Fingernail disorders in the hands of children!
Fingernail disorders in elderly patients!
Michael Jackson had abnormal fingernails!
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