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Beau's lines are deep grooved lines that run from side to side on the fingernail or the toenail. [1] They may look like indentations or ridges in the nail plate. [2]: 657 This condition of the nail was named by a French physician, Joseph Honoré Simon Beau (1806–1865), who first described it in 1846.
Causes of horizontal ridges in nails. Horizontal riding (also called Beau's lines) is usually caused by things other than aging, most commonly damage to the nail matrix. “If you are looking at ...
Horizontal ridges causes. Horizontal ridges, aka Beau’s lines, often happen when your body undergoes significant periods of stress and your nail stops growing, says Dr. Lal.
Ridges in your fingernails might alarm you, but it's not always a cause for concern. Here's what the ridges mean and how to treat them, according to experts.
Trachyonychia causes the nails to become opalescent, thin, dull, fragile, and finely longitudinally ridged, and, as a result, distally notched. [6] It can be a manifestation of lichen planus , psoriasis , alopecia areata , immunoglobulin A deficiency , atopic dermatitis , and ichthyosis vulgaris .
Muehrcke's lines were described by American physician Robert C. Muehrcke (1921–2003) in 1956. In a study published in BMJ, he examined patients with known chronic hypoalbuminemia and healthy volunteers, finding that the appearance of multiple transverse white lines was a highly specific marker for low serum albumin (no subject with the sign had SA over 2.2 g/dL), was associated with severity ...
"Lots of things can be detected in the nail," said Dr. Phoebe Rich, director of the Nail Disorder Clinic at Oregon Health and Sciences University and a dermatologist at the Oregon Dermatology and ...
Onychomycosis is a fungal infection of the nail that causes whitish-yellowish discoloration. Sometimes, it is difficult to treat and requires oral antibiotics instead of topical. [16] Nail psoriasis can affect the fingernails and toenails. It may cause thickening of the nails with areas of pitting, ridges, irregular contour, and even raising of ...