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Pseudomonas aeruginosa is a common bacterial cause of green nail syndrome. Green nail syndrome is caused when the nail is exposed to a bacterial organism, which leads to opportunistic infection. [9] Pseudomonas aeruginosa, the most common cause but not the only one, [10] is frequently found in nature including in water sources, humans, animals ...
Onychorrhexis (from the Greek words ὄνυχο- ónycho-, "nail" and ῥῆξις rhexis, "bursting"), is a brittleness with breakage of finger or toenails that may result from hypothyroidism, anemia, anorexia nervosa or bulimia, or after oral retinoid therapy. [1]: 786 It can also be seen in melanoma that involves the nail and onychomycosis. [2]
A new nail plate will form once the cause of the disease is removed. Onychomycosis , also known as tinea unguium , is a contagious infection of the nail caused by the same fungal organisms which cause ringworm of the skin ( Trichophyton rubrum or T. mentagrophytes , rarely other trichophyton species or Epidermophyton floccosum [ 1 ] ).
A laceration of the nail bed causes bleeding into the constricted area underneath the hard nail plate. [1] 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 ...
When the distal phalanges (bones nearest the fingertips) of corresponding fingers of opposite hands are directly opposed (place fingernails of same finger on opposite hands against each other, nail to nail), a small diamond-shaped "window" is normally apparent between the nailbeds. If this window is obliterated, the test is positive and ...
There are a number of other causes for splinter hemorrhages. They could be due to hitting the nail (trauma), a sign of inflammation in blood vessels all around the body (systemic vasculitis), or they could be where a fragment of cholesterol has become lodged in the capillaries of the finger. Even if a patient does have infective endocarditis ...
Paroxysmal hand hematoma, also known as Achenbach syndrome, is a skin condition characterized by spontaneous focal hemorrhage into the palm or the volar surface of a finger, which results in transitory localized pain, followed by rapid swelling and localized blueish discoloration.
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 ...