Although rare, melanoma
is a type of skin cancer that develops from melanocytes, the cells that
produce melanin.
Melanoma has
three main subtypes based on the location:
·
Cutaneous melanoma: It occurs on the skin of areas such as the
neck, arms, face, and hands. All these parts are usually exposed to sunlight.
·
Uveal or ocular melanoma – A rare sickness that emanates from the
uvea, the eye’s pigmented layer.
·
Mucosal melanoma – It develops in the mucous membrane, such
as the nasal package, mouth, and throat
What’s the Cause of Melanoma?
Melanoma’s major
risk factor is exposure to UV rays. The sunlight contains UV rays, but
artificial sources like tanning beds have UV rays too.
UV rays may
damage skin cells’ DNA, and when the damage affects the genes controlling cell
growth, cancer may develop.
Treating Melanoma
The treatment
option for melanoma is dependent on the stage of this disease.
·
Surgery: Most oncologists use surgical remove for melanoma that is between
stage 0 and 2. The surgery involves the removal of tumor along with the nearby
normal tissue. This action helps to reduce the likelihood of local recurrence
·
Adjuvant
therapy: This refers to treatments that help reduce the risk of cancer
recurrence. For melanoma cases, adjuvant therapy may include targeted therapy, chemotherapy and immunotherapy.
·
Systemic
therapy: If the cancer has metastasized, the doctor may administer systemic
therapy after surgery. This treatment involves spreading drugs throughout
various parts of the body to treat cancer cells.
Two Common Modern
Treatment Options
Today, melanoma patients can opt for targeted therapy and
immunotherapy.
·
Immunotherapy:
Immunotherapy drugs prevent the activation of PD-1 or CTLA-4, and this
boosts the immune system so it can easily identify and target cancer cells. Immunotherapy
is typically the first treatment option for patients with metastatic melanoma,
but depending on specific circumstances, a doctor may start with target
therapy.
·
Targeted
Therapy: The treatment option aims at shutting down cells that trigger
cancer growth without hurting the nearby healthy tissues. Targeted therapy
currently applies to patients with BRAF mutation – a mutation common in 50
percent of melanoma tumors.
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