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A black spot under the nail can indicate a type of melanoma called acral lentiginous melanoma (ALM). These melanomas can appear anywhere on the body, including underneath fingernails and toenails. The sub-type of ALM that affects the nail is called subungual melanoma.
Subungual melanoma is a rare form of cancer that develops underneath the fingernail or toenail. Toenail fungus occurs from the overgrowth of fungi in, under, or on the nail. Learn how to tell...
Black Toenail: Common Causes. If your toenail turns black, it’s most likely a bruise under the nail, technically called a subungual hematoma. You can get it from stubbing a toe or from...
Subungual melanoma is a serious type of skin cancer that develops under your nail. It most commonly appears as dark brown or black streaks on your nail. Early detection and prompt treatment yield the best outcomes.
Black Toenail Symptoms, Treatment, and More. A black toenail can happen because of an injury that produces a bruise called a subungual hematoma, though it can also have other causes such as a fungal infection, a vitamin deficiency, or a medical condition like diabetes or cancer.
From trauma to a toenail fungus, there are many reasons why you may have a black toenail or black spots on a toenail. Here's what it means, how to treat them—and when you should call your doctor.
Melanoma can appear as a dark spot — on the toe, in between toes, under the toenail, or on the foot, including the sole. If you notice a new black or dark spot on your toe or foot — or you have an existing mole or birthmark that has changed size, shape, or color — that could be a sign of melanoma. Warning signs of melanoma on the toe ...