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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 ...
Subungual melanomas tend to affect the big toe and thumb the most, but it can occur on any finger or toe. The melanoma appears as a brown-black discoloration of the nail bed, with Verywell Health ...
He believed a dark spot that appeared under his toenail was due to a soccer injury, when it was actually acral lentiginous melanoma, according to the Skin Cancer Foundation.
ALM is most frequently seen on the foot of a person with darker skin but can also be found in non-sun exposed areas such as the palms, soles, and under finger and toenails. [6] It may become bumpy and ulcerate. [6] When under the nail it typically appears as dark longitudinal streaks. [7] As it grows, ALM may also spread to other areas of the ...
Green nail syndrome is an infection that can develop in individuals whose hands are frequently submerged in water resulting in discolouration of the nails from shades of green to black. [ 3 ] [ 4 ] It may also occur as transverse green stripes that are ascribed to intermittent episodes of infection. [ 3 ]
Splinter hemorrhages (or haemorrhages) are tiny blood clots that tend to run vertically under the nails.Splinter hemorrhages are not specific to any particular condition, and can be associated with subacute infective endocarditis, scleroderma, trichinosis, systemic lupus erythematosus (SLE), rheumatoid arthritis, psoriatic nails, [1] antiphospholipid syndrome, [2]: 659 haematological ...
Melasma affects up to 33 percent of men and women. Read on to learn what causes the chronic skin condition and what you can do to keep it at bay.
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.