When melanoma spreads (metastasizes), it usually spreads first into
lymph nodes. It can also spread through the
bloodstream. Distant metastases of melanoma typically are found in the skin,
liver, lungs, bone, and brain.
If the melanoma is on a leg or arm,
metastases usually are first found higher up on that leg or arm. Unusual sites
for metastases include the eye.
Most skin cancers are detected and cured before they spread. Melanoma that has spread to other organs presents the greatest treatment challenge.
Standard treatments for localized basal cell and squamous cell carcinomas are safe and effective. Small tumors can be surgically excised, removed with a scraping tool (curette) and then cauterized, frozen with liquid nitrogen, or killed with low-dose radiation. Applying an ointment containing a chemotherapeutic agent called 5-fluorouracil -- or an immune...
You may notice changes in a new or existing mole, such as:
An open sore (ulceration) or infection.
Bleeding for no reason.
Itching, tenderness, or pain.
A change in color.
A change in the thickness, such as going from flat to raised or raised to flat.
But symptoms may be vague and include:
lymph nodes, especially in the armpit or
A colorless lump or thickening under the
Unexplained weight loss.
When melanoma has spread only to nearby tissues or lymph nodes, treatments such as immunotherapy can sometimes work. But after melanoma has spread to other places in the body, cure is very rare. In these cases, treatment to manage symptoms may help a person live longer.
WebMD Medical Reference from Healthwise
October 12, 2012
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