Frequent question: What to look for in irregular moles?

What to look for in abnormal moles?

Borders tend to be uneven and may have scalloped or notched edges, while common moles tend to have more smoother, more even borders. C is for Color. Multiple colors are a warning sign. While benign moles are usually a single shade of brown, a melanoma may have different shades of brown, tan or black.

Are irregular moles always cancerous?

While atypical moles are considered to be pre-cancerous (more likely to turn into melanoma than regular moles), not everyone who has atypical moles gets melanoma. In fact, most moles — both ordinary and atypical ones — never become cancerous. Thus the removal of all atypical nevi is unnecessary.

What do unusual moles look like?

Atypical moles can also be flat or raised. They also have these characteristics: They measure more than 1/4 inch (5 mm) across — larger than the size of a pencil eraser. They are irregularly shaped, with uneven borders that may fade into the skin around the mole.

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.

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What is a precancerous mole?

Precancerous moles, more commonly referred to as precancerous skin lesions, are growths that have an increased risk of developing into skin cancer. Precancerous skin lesions, usually referred to as actinic keratosis or solar keratoses, can cause different types of skin cancer, including: Squamous Cell Carcinoma.

When should a mole be biopsied?

When you notice a concerning rash or mole on your skin, the body’s largest organ, it’s a good idea to see a dermatologist to have it evaluated. Sometimes after checking the area, your dermatologist may recommend a skin biopsy. Skin biopsies are an important part of verifying a diagnosis.

How do I know if my mole is bad?

It’s important to get a new or existing mole checked out if it:

  1. changes shape or looks uneven.
  2. changes colour, gets darker or has more than 2 colours.
  3. starts itching, crusting, flaking or bleeding.
  4. gets larger or more raised from the skin.

Can a normal mole have irregular borders?

Benign moles typically have a regular, round border. Cancerous moles tend to have irregular borders. If the border isn’t smooth, you should get your mole checked out. Benign moles are usually one uniform color throughout.

Is 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.

Can abnormal moles be benign?

Atypical moles are benign pigmented lesions. Although they are benign, they exhibit some of the clinical and histologic features of malignant melanoma. They are more common in fair-skinned individuals and in those with high sun exposure.

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What is radial melanoma?

Superficial spreading melanoma tends to grow outward (called radial growth) and spread across the surface of the skin. But it can also start to grow down into the skin (called vertical growth). It is often flat and thin (less than 1 mm thick) with an uneven border.