Melanoma that looks like a blood blister

While most melanomas will develop from a new or existing mole and exhibit some tell-tale signs in the process, other melanomas may appear as something we can easily write off as harmless.

Nodular melanoma is one example. In some instances, it can look very similar to a blood blister. 

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What is squamous cell carcinoma in situ?

Early forms of squamous cell carcinoma are classified as in situ, which means “in place” in Latin. Squamous cell carcinoma is one of the most common types of skin cancer. It forms when squamous cells begin to grow uncontrollably in the outer part of the epidermis, which is the top layer of our skin. In most instances, it is caused by repeated exposure to UV rays over time.

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How melanoma spreads

When melanocytes cells become damaged, mutations can occur and the mutated cells can reproduce themselves rapidly, eventually forming a tumor and taking over surrounding tissues.

Melanoma is the deadliest form of skin cancer. One of the reasons it is so deadly is that it is more likely to spread or metastasize from its original site than other forms of skin cancer. But why does it do this? We explore below, but first, let’s look at how it forms.

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Where is melanoma most commonly found?

Melanoma, the most dangerous type of skin cancer, can appear all over the body. But there are a few parts of the body where melanoma is most commonly found. These might be places that you want to check out more often. Make sure to self-check and go and see a doctor when you don't feel comfortable with any skin spot. 

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