Frequent question: How quickly can a cancerous mole appear?

Melanoma can grow very quickly. It can become life-threatening in as little as 6 weeks and, if untreated, it can spread to other parts of the body. Melanoma can appear on skin not normally exposed to the sun. Nodular melanoma is a highly dangerous form of melanoma that looks different from common melanomas.

Can melanoma appear suddenly?

Melanoma may suddenly appear without warning, but can also develop from or near an existing mole. It can occur anywhere on the body, but is most common on the upper back, torso, lower legs, head, and neck.

Are cancerous moles fast growing?

Growth and spread

Vertical growth: The melanoma grows into deeper layers of skin. This kind of growth is more serious and may spread to other parts of the body. Nodular melanoma grows this way fairly quickly, but most other types grow along the top layers of skin first for some time.

Can you tell if a mole is cancerous by looking at it?

No. “But having these types of moles is a risk factor for developing melanoma and, unfortunately, there’s no way to tell for sure if a mole is atypical or cancerous without visiting your dermatologist, so it’s important to stay on the lookout,” says Dr. McNeill.

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Can melanoma appear overnight?

Melanomas may appear suddenly and without warning. They are found most frequently on the face and neck, upper back and legs, but can occur anywhere on the body.

What does Stage 1 melanoma look like?

Stage I melanoma is no more than 1.0 millimeter thick (about the size of a sharpened pencil point), with or without an ulceration (broken skin). There is no evidence that Stage I melanoma has spread to the lymph tissues, lymph nodes, or body organs.

Does Melanoma usually start in a mole?

Melanoma doesn’t always begin as a mole. It can also occur on otherwise normal-appearing skin.

Is a melanoma raised or flat?

The most common type of melanoma usually appears as a flat or barely raised lesion with irregular edges and different colours. Fifty per cent of these melanomas occur in preexisting moles.

When should I worry about a mole?

It’s important to get a new or existing mole checked out if it: changes shape or looks uneven. changes colour, gets darker or has more than 2 colours. starts itching, crusting, flaking or bleeding.

What does a cancerous mole feel like?

Also, when melanoma develops in an existing mole, the texture of the mole may change and become hard or lumpy. The skin lesion may feel different and may itch, ooze, or bleed, but a melanoma skin lesion usually does not cause pain.

What does Stage 1 melanoma mean?

In Stage I melanoma, the cancer cells are in both the first and second layers of the skin—the epidermis and the dermis. A melanoma tumor is considered Stage I if it is up to 2 mm thick, and it may or may not have ulceration. There is no evidence the cancer has spread to lymph nodes or distant sites (metastasis).

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Can a mole grow and not be cancerous?

Most moles are benign. This means they are harmless and do not cause cancer. However, sometimes they grow and become malignant. This means they are cancerous and must be removed.