Description
What is Merkel cell carcinoma?
What is Merkel cell carcinoma?
Merkel cell carcinoma, also called neuroendocrine cancer of the skin, is a rare
type of disease in which malignant (cancer) cells are found on or just beneath
the skin and in hair follicles. Merkel cell carcinoma usually appears as firm,
painless, shiny lumps of skin. These lumps or tumors can be red, pink, or blue
in color and vary in size from less than a quarter of an inch to more than two
inches. Merkel cell carcinoma is usually found on the sun-exposed areas of the
head, neck, arms, and legs. This type of cancer occurs mostly in whites
between 60 and 80 years of age, but it can occur in people of other races and
ages as well.
Merkel cell carcinoma grows rapidly and often metastasizes (spreads) to other
parts of the body. Even relatively small tumors are capable of metastasizing.
When the disease spreads, it tends to spread to the regional (nearby) lymph
nodes and may also spread to the liver, bone, lungs, and brain. Lymph nodes
are small, bean-shaped structures that are found throughout the body. They
produce and store infection-fighting cells.
Treatment of Merkel cell carcinoma depends on the stage of the disease, and
the patient’s age and overall condition.
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