What does a melanoma look like when it first appears?
Christopher Ramos
Updated on April 26, 2026
Often the first sign of melanoma is a change in the shape, color, size, or feel of an existing mole. However, melanoma may also appear as a new mole. People should tell their doctor if they notice any changes on the skin.
How can you tell if a spot is melanoma?
Border – melanomas usually have a notched or ragged border. Colours – melanomas will usually be a mix of 2 or more colours. Diameter – most melanomas are usually larger than 6mm in diameter. Enlargement or elevation – a mole that changes size over time is more likely to be a melanoma.What are 4 early warning signs of melanoma?
The "ABCDE" rule is helpful in remembering the warning signs of melanoma:
- Asymmetry. The shape of one-half of the mole does not match the other.
- Border. The edges are ragged, notched, uneven, or blurred.
- Color. Shades of black, brown, and tan may be present. ...
- Diameter. ...
- Evolving.
Does 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.What does early stage melanoma feel like?
Pigment, redness or swelling that spreads outside the border of a spot to the surrounding skin. Itchiness, tenderness or pain. Changes in texture, or scales, oozing or bleeding from an existing mole. Blurry vision or partial loss of sight, or dark spots in the iris.What Does Skin Cancer Look Like?
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.What can be mistaken for melanoma?
Top 5 Conditions Often Mistaken For Skin Cancer
- Psoriasis. Psoriasis is a skin condition that is believed to be related to an immune system problem, which causes T cells to attack healthy skin cells by accident. ...
- Seborrheic Keratoses (Benign tumour) ...
- Sebaceous hyperplasia. ...
- Nevus (mole) ...
- Cherry angioma.
What did your melanoma look like?
Melanoma borders tend to be uneven and may have scalloped or notched edges, while common moles tend to have 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.What do precancerous spots look like?
They are also called solar keratosis, sun spots, or precancerous spots. Dermatologists call them "AK's" for short. They range in size from as small as a pinhead to over an inch across. They may be light or dark, tan, pink, red, a combination of these, or the same color as ones skin.Does melanoma blanch when pressed?
Figure 4. Cavernous hemangioma, a mimic of melanoma, can be differentiated by pressing the lesion firmly with a glass slide for 30 seconds or more. The large, elevated hemangioma wllll blanch, whereas a melanoma will not.What does Stage 1 melanoma mean?
Stage I MelanomaThis is a noninvasive stage, which is also called melanoma “in situ,” meaning “in its original place.” With stage I melanoma, the tumor's thickness is 1mm or less. This tumor may or may not have ulcerated, and it isn't yet believed to have spread beyond the original site.