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What is malignant melanomas?
It is the deadliest form of skin cancer known.
Which form of skin cancer is characterized by asymmetrical lesions that have irregular bordors and mixed colors?
Malignant melanomas
What are the four common classes of malignant tumors?
The four classes of malignant tumors go by the name of carcinoma, lymphoma, sarcomas, and melanomas. It is a potentially life-threatening mass of cancerous cells.
Do all gray horses carry cancer?
No, not all gray horses will have cancer. However, gray horses are strongly predisposed to developing malignant melanomas, an aggressive cancer starting from the pigment-producing cells of the skin.
Where are stage I and II malignant melanomas localized to?
Stage I and stage II have no involvement of the regional lymph nodes and are thus localized to the site of origin.
Why is malignant melanoma so resistant to chemotherapy?
One suggestion as of late 2003 is that the genes ordinarily responsible for apoptosis (cell self-destruction) do not function normally in melanomas.
What are the four types of malignant melanoma?
These are: superficial spreading, nodular, lentigo maligna, and acral lentiginous melanomas, accounting for 70%, 15% to 30%, 4% to 10%, and 2% to 8% of cases, respectively.
How are stage III and stage IV malignant melanomas defined?
Stage III is defined by the presence of in-transit or regional nodal metastasis or both. Stage IV is defined by the presence of distant metastasis.
What is the connection between burn scars and malignant melanoma?
A small percentage of melanomas arise within burn scar tissue. As of 2003, researchers do not fully understand the relationship between deep burns and an increased risk of skin cancer.
How is the device known as a dermatoscope used in diagnosing malignant melanoma?
The doctor may also use a dermatoscope to examine the mole prior to removal. The dermatoscope, which can be used to distinguish between benign moles and melanomas, is an instrument that resembles an ophthalmoscope.
do all melanomas cause cancer?
Not all melanomas lead to cancer in the same way, but melanoma itself is a type of skin cancer. It arises from melanocytes, the cells that produce pigment, and can be aggressive if not detected early. While some melanomas can be successfully treated and managed, others can metastasize and become life-threatening. Early detection and treatment are crucial for better outcomes.
What are four common classes of malignant tumors?
Melanomas Lymphomas Sarcomas Carcinomas
