Melanoma is a rare cancer, but it is the most dangerous type of skin cancer. Subungual melanoma is a skin cancer that affects the skin beneath the nail. Nail cancer can be detect by the presence of dark brown or black vertical lines that run from the tip of the nail to the base, cracked nails, and hollow nails. These symptoms can often occur on the nails of the thumb, big toe, and index finger.
When thick, black or brown lines or bruises appear vertically across the nail surface. This is consistent with a condition call longitudinal melanonychia. Sometimes, there may be brown lines or patches along the length of the nail from the base to the tip. Which the color can vary from light brown to dark brown or black. It can be uniform or uneven. The size can range from a tiny line less than 1 millimeter to an entire black patch of the nail หรือถ้าคุณสนใจแทงบอลออนไลน์ UFABET คือเว็บที่มีอัตราต่อรองดีที่สุดในประเทศไทย สมัครเลยตอนนี้ที่ UFABET แทงบอล.
And there can be just one line or many lines, depending on what’s causing the condition. In cases where there is only one line. It may be cause by a mole at the base of the nail, for example. In cases where there are many lines. It is usually cause by the stimulation of the pigment cells to work abnormally, such as: nail injuries, certain medications such as zidovudine, chemotherapy, or certain diseases can also occur, and it is common in people with dark skin.
In addition to nail cancer, people with brown skin may have other hidden melanoma skin cancers. The symptoms of the disease may appear in areas that are difficult to notice, such as the nose, mouth, eyes, or genitals. Because the cancer cells grow on the epithelium or tissue in that area. Looking at nails to tell about cancer, you should also watch for other hidden melanoma symptoms.