Quick Answer: Can a congenital mole become cancerous?

Can pre existing mole turns cancerous?

“Some people say that existing moles are like any other skin and are not precancerous, but we do know that melanomas can arise in pre-existing moles,” she said. Although the best way to find any skin cancer is to examine your skin, patients often misunderstand what they are looking at, Day added.

Can a benign mole become malignant?

A benign mole can sometimes develop into skin cancer. Skin cancer arising from a benign mole is malignant melanoma, which is a very dangerous type of skin cancer that can be fatal if not treated early. The best way to survive malignant melanoma is to diagnose and treat it early.

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

Unfortunately, you can’t tell by looking at a mole whether it’s cancerous or what type it is. It could very well be a normal skin spot with an abnormal appearance. A dermatologist can’t always tell the difference either.

How long before a mole turns into melanoma?

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.

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How do you tell if a mole is benign or malignant?

Distinguishing benign moles from melanoma

  1. Asymmetry: the sides of the mole or growth don’t match.
  2. Border: the edges are ragged, notched, or blurred.
  3. Color: the color within the mole or growth varies.
  4. Diameter: the mole or growth is larger than 6 millimeters (size of a pencil eraser).

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.

Can you have stage 4 melanoma and not know it?

When stage 4 melanoma is diagnosed after a scan, there may be no symptoms at all, and it can be difficult to believe the cancer has spread. However, people with stage 4 melanoma may have a very wide range of symptoms. People who have melanoma diagnosed in the brain are told not to drive.

How long can you live with melanoma untreated?

almost all people (almost 100%) will survive their melanoma for 1 year or more after they are diagnosed. around 90 out of every 100 people (around 90%) will survive their melanoma for 5 years or more after diagnosis.