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Early signs of melanoma are changes to the shape or color of existing moles or in the case of nodular melanoma the appearance of a new lump anywhere on the skin (such lesions should be referred without delay to a dermatologist). At later stages, the mole may itch, ulcerate or bleed. Early signs of melanoma are summarized by the mnemonic "ABCDE":

  • Asymmetry
  • Borders (irregular)
  • Color (variegated), and
  • Diameter (greater than 6 mm (0.24 in), about the size of a pencil eraser)
  • Evolving over time

These classifications do not however apply to the most dangerous form of melanoma nodular melanoma which has its own classifications:

  • Elevated above the skin surface
  • Firm to the touch
  • Growing.
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12y ago
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12y ago

Melanoma usually looks like a dark brown or black blotch on the skin, 6 mm (3/8") or more in size, that grew in less than a year. It is usually irregular in size (not oval) and its color is irregular.

A lesion that fits this description should be removed by a dermatologist and examined by a pathologist.

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10y ago

There are several symptoms of melanoma cancer. Some of these include: unusual moles and changes in the unusual mole, itching, oozing, or bleeding of the mole. Hidden melanomas are more common in darker people.

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12y ago

The characteristics of melanoma are Asymmetry, Border irregularity, Color, Diameter

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13y ago

Melanomas typically have a combination of colors, including tan, brown, black, or gray; there may also be a dull pink or rose pigmentation within a small area of the lesion.

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13y ago

The locally invasive characteristic of this tumor involves vertical penetration through the skin and into the dermis and subcutaneous (under-the-skin) tissues of the malignant melanocytes.

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Q: What is the invasive characteristic of malignant melanoma?
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A malignant black tumore is a melanocarcin?

The characteristic lesion is an irregular, enlarging black macule, which has a malignant melanoma a malignant skin tumor.


Where does malignant melanoma develop?

Malignant melanoma may develop anywhere on the body.


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The predisposing causes to the development of malignant melanoma are environmental and genetic.


Is melanoma dominant or recessive?

is malignant melanoma dominant or recessive


What epidermal layer does malignant melanoma arise?

Malignant melanoma arises in the Stratum basale layer of the epidermal layer.


What occurs when malignant melanoma becomes invasive?

Once it becomes invasive, it may progress beyond the site of origin to the regional lymph nodes or travel to other organ systems in the body and become systemic in nature.


What is the clinical staging of malignant melanoma based on?

Malignant melanoma is locally staged based on the depth of penetration through the skin and its appendages.


How many forms of malignant melanoma exist?

Malignant degeneration of the melanocyte gives rise to the tumor known as melanoma, which has four subtypes.


Can you die from skin cancer and how?

Yes. The deadliest skin cancer is malignant melanoma. It is highly invasive and must be diagnosed early for a complete cure to be possible.


What is a malignant melanoma?

skin tumour/cancer


What kind of metastasis can occur regionally in malignant melanoma?

There is also a special type of metastasis that can occur regionally with malignant melanoma; it is known as an in-transit metastasis.


What is the medical term meaning cancerous tumor composed of melanocytes?

malignant melanoma