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Melanoma

March 18, 2026

A recent study led by scientists at the U.S. National Institutes of Health reported that cholesterol in the membrane around the cell nucleus helps in spreading melanoma.

About Melanoma:

  • Melanoma is a kind of skin cancer that starts in the melanocytes.
  • Melanocytes are cells that make the pigment that gives skin its color. The pigment is called melanin.
  • It typically starts on skin that's often exposed to the sun. This includes the skin on the arms, back, face and legs.
  • Rarely, it can happen inside the body, such as in the nose or throat.
  • Cause
    • The exact cause of all melanomas isn't clear.
    • Most melanomas are caused by exposure to ultraviolet light. Ultraviolet light, also called UV light, comes from sunlight or tanning lamps and beds.
  • Symptoms of Melanoma
    • The first melanoma signs and symptoms often are:
      • A change in an existing mole.
      • The development of a new pigmented or unusual-looking growth on the skin.
      • It doesn't always begin as a mole. It also can happen on otherwise healthy skin.
    • Treatments for melanoma
      • Melanoma Surgery: In the early stages, surgery has a high probability of being able to cure melanoma.
      • Lymphadenectomy: In cases where melanoma has spread, removal of the lymph nodes near the primary diagnosis site may be required.
      • Metastasectomy: It is used to remove small melanoma bits from organs.

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