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Information about Beau's Lines

Beau's lines
Classification & external resources
ICD-10L60.4
ICD-9703.8
Beau's lines are deep grooved lines that run from side to side on the fingernail. They may look like indentations or ridges in the nail plate. There are several reasons that humans get Beau's lines. It is believed that there is a temporary cessation of cell division in the nail matrix. This may be caused by an infection or problem in the nail fold, where the nail begins to form, or it may be caused by an injury to that area. Some other reasons for these lines include: trauma, coronary occlusion, hypocalcaemia, skin disease and may be a sign of systemic disease. It may also be caused by an illness of the body, such as diabetes, certain drugs, such as those used in chemotherapy or even malnutrition. This condition of the nail was named by a French physician, Joseph Honoré Simon Beau (1806–1865), who first described it in 1846.

Beau's lines should be distinguished from Muehrcke lines of the fingernails. While Beau's lines are actual ridges and indentations in the nail plate, Muehrcke lines are areas of hypopigmentation without palpable ridges.

A researcher found Beau's lines in the fingernails of 6 divers following a deep saturation dive to a pressure equal to 335 meters of sea water, and in 2 of 6 divers following a similar dive to 305 meters.[1]

References

1. ^ Schwartz H., "Clinical observation: Beau's lines on fingernails after deep saturation dives", Journal of Undersea Hyperbaric Medicine (2006) Vol 3 No 1. pp 5-10.

External links

For other uses of "ICD", see ICD (disambiguation).


The International Statistical Classification of Diseases and Related Health Problems (most commonly known by the abbreviation ICD
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List of ICD-10 codes. The version for 2007 is available online at [1]

Chapter Blocks Title
I Certain infectious and parasitic diseases
II Neoplasms
III Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
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For other uses of "ICD", see ICD (disambiguation).


The International Statistical Classification of Diseases and Related Health Problems (most commonly known by the abbreviation ICD
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The following is a list of codes for International Statistical Classification of Diseases and Related Health Problems. These codes are in the public domain.

See also


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nail is a horn-like structure at the end of a human's or an animal's finger or toe. See also claw.

Parts of the nail

Anatomically fingernails and toenails
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Cell division is a process by which a cell, called the parent cell, divides into two cells, called daughter cells. Cell division is usually a small segment of a larger cell cycle. In meiosis however, a cell is permanently transformed and cannot divide again.
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In biology, matrix (plural: matrices) is the material between animal or plant cells, the material (or tissue) in which more specialized structures are embedded, and a specific part of the mitochondrion that is the site of oxidation of organic molecules.
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An infection is the detrimental colonization of a host organism by a foreign species. In an infection, the infecting organism seeks to utilize the host's resources to multiply (usually at the expense of the host).
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Hypocalcemia
Classification & external resources

Calcium
ICD-10 E 83.5
ICD-9 275.41

DiseasesDB 6412

eMedicine emerg/271  
MeSH D006996

In medicine, hypocalcemia
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Diabetes mellitus
Classification & external resources

ICD-10 E 10. –E 14.
ICD-9 250

MedlinePlus 001214
eMedicine med/546   emerg/134

MeSH C18.452.394.
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Chemotherapy is the use of chemical substances to treat disease. In its modern-day use, it refers to cytotoxic drugs used to treat cancer or the combination of these drugs into a standardized treatment regimen.
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Joseph Honoré Simon Beau (1806–1865) was a French physician, who is famous for his investigations of the physiology of the heart and the lungs.

See also

  • Beau's lines
  • Beau's syndrome

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