What tissue is involved in melanoma?
The deepest layer of the epidermis, located just above the dermis, contains cells called melanocytes. Melanocytes produce the skin’s pigment or color. Melanoma begins when healthy melanocytes change and grow out of control, forming a cancerous tumor.
Where is melanoma found in the body?
Melanomas can develop anywhere on the skin, but they are more likely to start on the trunk (chest and back) in men and on the legs in women. The neck and face are other common sites.
What cells does melanoma develop?
Melanoma develops when melanocytes (the cells that produce pigment), mutate, multiply, and become cancerous.
Can you have melanoma for years and not know?
How long can you have melanoma and not know it? It depends on the type of melanoma. For example, nodular melanoma grows rapidly over a matter of weeks, while a radial melanoma can slowly spread over the span of a decade. Like a cavity, a melanoma may grow for years before producing any significant symptoms.
Does melanoma show up in blood tests?
Blood tests aren’t used to diagnose melanoma, but some tests may be done before or during treatment, especially for more advanced melanomas. Doctors often test blood for levels of a substance called lactate dehydrogenase (LDH) before treatment.
What are the 4 signs of skin cancer?
How to Spot Skin Cancer
- Asymmetry. One part of a mole or birthmark doesn’t match the other.
- Border. The edges are irregular, ragged, notched, or blurred.
- Color. The color is not the same all over and may include shades of brown or black, sometimes with patches of pink, red, white, or blue.
- Diameter. …
Which skin cancer grows fastest?
Merkel cell carcinoma tends to grow fast and to spread quickly to other parts of your body. Treatment options for Merkel cell carcinoma often depend on whether the cancer has spread beyond the skin.
Where is the most common site for melanoma in females?
In women, the legs are affected most frequently. However, melanomas are also commonly found on the neck or face, and in areas not exposed to the sun, such as the groin or under the fingernails.
Where is the most common place to get melanoma?
They most often develop in areas that have had exposure to the sun, such as your back, legs, arms and face. Melanomas can also occur in areas that don’t receive much sun exposure, such as the soles of your feet, palms of your hands and fingernail beds. These hidden melanomas are more common in people with darker skin.
How long does melanoma take to develop?
Melanoma can grow very quickly. It can become life-threatening in as little as six weeks and, if untreated, it can spread to other parts of the body. Melanoma can appear on skin not normally exposed to the sun.