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Beau's lines are horizontal, going across the nailline, and should not be confused with vertical ridges going from the bottom of the nail out to the fingertip. These vertical lines are usually a natural consequence of aging and are harmless. [3] [4] Beau's lines should also be distinguished from Muehrcke's lines of the
Onychomadesis is defined by the nail plate's detachment from the matrix, its continuous connection to the nail bed, and, frequently but not always, shedding. [4] Beau lines are transverse ridges on the nail plates. [5]
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 .
What are ridges in fingernails? “Ridges in the fingernails are vertical or horizontal depressions on the nail plate,” says Angela Kim, D.O. , a board-certified dermatologist practicing in Yuba ...
This is also why fingernail ridges are more likely to pop up if you’ve got dry skin or a condition like eczema or psoriasis. Then, there’s horizontal nail ridges (lines that run from side to ...
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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 ...
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