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Trachyonychia is a condition characterized by rough accentuated linear ridges (longitudinal striations) on the nails of the fingers and toes. [3] When the condition occurs on all the twenty nails of the fingers and toes, it is known as twenty-nail dystrophy, most evident in childhood, [4] favoring males.
While Beau's lines are actual ridges and indentations in the nail plate, Muehrcke lines are areas of hypopigmentation without palpable ridges; they affect the underlying nail bed, and not the nail itself. Beau's lines should also be distinguished from Mees' lines of the fingernails, which are areas of discoloration in the nail plate.
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 the nail from the nail bed. [16] Squamous-cell carcinoma is mainly cancer of the skin, but can also affect the nail bed. It is a rare malignant subungual tumor subject to misdiagnosis ...
First, a crash course on what fingernail ridges even are: Vertical nail ridges (lines that run from your cuticle to the tip of your fingernail) are super-common, and are a normal sign of aging.
Causes of vertical ridges in nails “Just as your skin starts to show age-related changes such as thinning and sagging, nails also show signs of aging,” says Dr. Kim. “Longitudinal ridging of ...
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.
Onychorrhexis also known as brittle nails, is brittleness with breakage of fingernails or toenails. Paronychia is a bacterial or fungal infection where the nail and skin meet. Koilonychia is when the nail curves upwards (becomes spoon-shaped) due to an iron deficiency. The normal process of change is: brittle nails, straight nails, spoon-shaped ...
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