Mucosal melanoma
Mucosal Melanoma
Mucosal melanoma (pronunciation: myoo-koh-suhl mel-uh-noh-muh) is a rare form of melanoma that occurs in the mucous membrane, a soft tissue that lines body cavities and canals such as the nose, mouth, and anal canal.
Etymology
The term "mucosal" is derived from "mucosa", the Latin word for mucous membrane. "Melanoma" comes from the Greek words "melas" (black) and "-oma" (tumor), referring to the dark pigmentation often seen in these tumors.
Definition
Mucosal melanoma is a type of cancer that develops from the pigment-producing cells (melanocytes) in the mucous membranes. Unlike cutaneous melanoma, which is associated with sun exposure, mucosal melanoma is not related to sun exposure and can occur in parts of the body that do not have contact with sunlight.
Symptoms
Symptoms of mucosal melanoma can vary depending on the location of the tumor. Common symptoms may include bleeding, pain, or a noticeable mass. In some cases, mucosal melanoma may not cause any symptoms until it has progressed to an advanced stage.
Diagnosis
Diagnosis of mucosal melanoma typically involves a physical examination, medical history, and biopsy of the suspicious tissue. Further tests such as imaging studies may be required to determine the extent of the disease.
Treatment
Treatment options for mucosal melanoma may include surgery, radiation therapy, chemotherapy, and targeted therapy or immunotherapy. The choice of treatment depends on the location and stage of the cancer, as well as the patient's overall health.
Prognosis
The prognosis for mucosal melanoma is generally poorer than for other types of melanoma, due to its tendency to be diagnosed at a later stage and its resistance to some treatments. However, survival rates can vary widely depending on individual factors.
Related Terms
External links
- Medical encyclopedia article on Mucosal melanoma
- Wikipedia's article - Mucosal melanoma
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