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A subungual hematoma is a collection of blood underneath a toenail or fingernail. It can be extremely painful for an injury of its size, although otherwise it is not a serious medical condition. It can be extremely painful for an injury of its size, although otherwise it is not a serious medical condition.
Subungual hematoma occurs when trauma to the nail results in a collection of blood, or hematoma, under the nail. It may result from an acute injury or from repeated minor trauma such as running in undersized shoes. Acute subungual hematomas are quite painful, and are usually treated by releasing the blood by creating a small hole in the nail.
The exact cause of subungual melanomas is not known, but it doesn’t seem to be linked to sun exposure. Having certain characteristics, including an age between 50 to 70, darker skin, and a ...
Onychauxis frequently shows up clinically as discoloration, subungual hyperkeratosis, and loss of nail plate translucency. [3] It may cause pain, and over time, distal onycholysis, subungual bleeding, subungual ulceration, or an elevated risk of onychomycosis might aggravate matters. [4] [5]
Distal subungual onychomycosis is the most common form of tinea unguium [2] and is usually caused by Trichophyton rubrum, which invades the nail bed and the underside of the nail plate. White superficial onychomycosis (WSO) is caused by fungal invasion of the superficial layers of the nail plate to form "white islands" on the plate.
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Onychophosis is a localized or diffuse hyperkeratotic tissue that develops on the lateral or proximal nailfolds, within the space between the nailfolds and the nail plate, and is a common finding in the elderly.
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 ...