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Psoriatic nails are characterized by a translucent discolouration in the nail bed that resembles a drop of oil beneath the nail plate. [2] Early signs that may accompany the "oil drop" include thickening of the lateral edges of the nail bed with or without resultant flattening or concavity of the nail; separation of the nail from the underlying nail bed, often in thin streaks from the tip-edge ...
These changes include pitting of the nails (pinhead-sized depressions in the nail is seen in 70% with nail psoriasis), whitening of the nail, small areas of bleeding from capillaries under the nail, yellow-reddish discoloration of the nails known as the oil drop or salmon spots, dryness, thickening of the skin under the nail (subungual ...
Dermal or subcutaneous atrophy is represented by depression of the skin. [29] Maceration: softening and turning white of the skin due to being consistently wet. Umbilication is formation of a depression at the top of a papule, vesicle, or pustule. [34] Phyma: A tubercle on any external part of the body, such as in phymatous rosacea
In more severe cases, the motions may become harmful to the individual, and may involve things such as ripping, tearing, or chewing at the skin around one's fingernails, lips, or other body parts to the point of bleeding. Psychomotor agitation is typically found in various mental disorders, especially in psychotic and mood disorders.
Onychotillomania is a compulsive behavior in which a person picks constantly at the nails or tries to tear them off. [1] It is not the same as onychophagia, where the nails are bitten or chewed, or dermatillomania, where skin is bitten or scratched.
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 ...
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.
Cleaning under the nail is not recommended as this only serves to separate the nail further. Bandages are also to be avoided. [11] When kept dry and away from further trauma, the nail will reattach from the base upward (i.e., from proximal to distal). The aim of treatment is also to eliminate onychomycosis that is a major cause of onycholysis.