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[9] [10] These bacteria do not normally survive on dry, healthy skin, but can thrive in moist conditions. [9] The seal between the nail and finger acts as a physical barrier to prevent infection, however hyper-hydration or destruction of the epidermis can impair the barrier, allowing the bacteria to colonise.
It can include discoloration of the nail, or dyschromia. Onychogryposis, also called "ram's-horn nail", is a thickening and increase in curvature of the nail. It is usually the result of injury to the matrix. It may be partially hereditary and can also occur as a result of long-term neglect.
The very term "acrocyanosis" is often applied inappropriately in cases when blue discoloration of the hands, feet, or parts of the face is noted. [1] The principal (primary) form of acrocyanosis is that of a benign cosmetic condition, [ 2 ] sometimes caused by a relatively benign neurohormonal disorder. [ 3 ]
Yellow nail syndrome: This patient has a 20-year history of severe lymphedema of her legs; thick, ridged, yellowish, hypercurved thumbnails (top right); similarly affected, yellow-green to brown toenails (bottom right); and bilateral, chylous pleural effusions. A sample of her chylous pleural fluid is shown to the left of the radiograph. Specialty
~10% of adults [2] Onychomycosis , also known as tinea unguium , [ 4 ] is a fungal infection of the nail . [ 2 ] Symptoms may include white or yellow nail discoloration, thickening of the nail, and separation of the nail from the nail bed . [ 2 ]
Leukonychia striata, transverse leukonychia, or Mees' lines are a whitening or discoloration of the nail in bands or "stria" that run parallel to the lunula (nail base). This is commonly caused by physical injury or disruption of the nail matrix.
The blood pools under the nail, giving a reddish, brownish, blueish, or grey/blackish discoloration. The blood puts pressure to the nailbed causing pain which can be throbbing in quality and disappears when the pressure on the nail bed is relieved. [2] Subungual hematomas typically heal without incident, though infection may occur.
It is typically visible on the thumbnail, where the lunula is most noticeable. [3] Causes ... 10.2340/00015555-2810. hdl: 2066/190317. ISSN ...