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A nail disease or onychosis is a disease or deformity of the nail.Although the nail is a structure produced by the skin and is a skin appendage, nail diseases have a distinct classification as they have their own signs and symptoms which may relate to other medical conditions.
Koilonychia, also known as spoon nails, [1]: 782 is a nail disease that can be a sign of hypochromic anemia, especially iron-deficiency anemia. [2]: 656 [3] It refers to abnormally thin nails (usually of the hand) which have lost their convexity, becoming flat or even concave in shape. In a sense, koilonychia is the opposite of nail clubbing ...
Proper cutting leaves the leading edge of the nail free of the flesh, precluding it from growing into the toe. Filing of the corner is reasonable. Some nails require cutting of the corners far back to remove edges that dig into the flesh; this is often done as a partial wedge resection by a podiatrist. Ingrown toe nails can be caused by injury ...
But infections and other health conditions that can cause yellow nails tend to cause other noticeable symptoms, like pain, nail thinning or thickening, and lifting of the nail, the experts say.
Hormones and certain medications can also make pigmented bands in the nails, but be especially watchful for nail cancer symptoms, such as a brown or dark stripe that goes from the cuticle out to ...
Nail clubbing, also known as digital clubbing or clubbing, is a deformity of the finger or toe nails associated with a number of diseases, anomalies and defects, some congenital, mostly of the heart and lungs. [2] [3] When it occurs together with joint effusions, joint pains, and abnormal skin and bone growth it is known as hypertrophic ...
To avoid misdiagnosis as nail psoriasis, lichen planus, contact dermatitis, nail bed tumors such as melanoma, trauma, or yellow nail syndrome, laboratory confirmation may be necessary. [2] Other conditions that may appear similar to onychomycosis include: psoriasis, normal aging, green nail syndrome, yellow nail syndrome, and chronic paronychia ...
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 ...