Where is squamous cell carcinoma found?

As you might already know, squamous cell carcinoma is one of the most common types of skin cancer. While squamous cell carcinoma can be treated very well when found early, this type of skin cancer also has the potential to spread to the lymph nodes. In that case, it becomes very dangerous. At first squamous cell carcinoma will often appear as a scaly lump, a red scaly sun spot, or a crusted sore. But where is it commonly found?

Do a self-check on your skin health with the SkinVision app

1. Take a picture

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2. Analyze it

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3. Track your skin

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iPhone 4S and higher

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Samsung S4 and higher

The ‘scaly’ cells of the skin

First, let’s see where the name of this type of skin cancer comes from. The word ‘squamous’ is traced back to the latin word ‘squama’ which can be translated as the scale of a fish. Squamous cells are the cells in the skin that are shaped as a fish’s scale. These cells make up most of the cells in the outer layer of the skin, called the epidermis – and are also found in other parts of the body, like our respiratory passage and even on organ linings.

As a result, squamous cell carcinoma is a type of skin cancer which can be found all over the body.

Common places to find squamous cell carcinoma

As we have discussed before, this type of skin cancer is commonly found. So where is it most common? Squamous cell carcinoma is reported to be found most on areas of the body that catch UV exposure from the sun. This includes the legs, the arms, the neck and the torso – which includes the front an d the back, so the chest and belly and also the back. This goes for both men and women.

Uncommon places to find squamous cell carcinoma

Because squamous cells are so present on the body, squamous cell carcinoma is also found in places you would not suspect directly.

For example, the lips. On the lips an SCC can present as a persistent small ulcer or thickened firm scaly skin. It usually appears on the lips itself, or on the lining of the mouth. Another uncommon place is the genital area, dermatologists report.

Next to these places it’s smart to know in general about unexpected places where skin cancer can occur. Read our blog post about that here.


Ready to do the first self-check on your skin?

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iPhone 4S and higher

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Samsung S4 and higher

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