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Cutaneous horn

Cutaneous horns are made of keratin, the same protein that makes up the top layer of our skin. While the exact cause of them is not known, they are believed to be linked to radiation as there are more cases of them reported on areas exposed to sunlight, such as the face and hands. This cutaneous horn from our collection was removed from a gentleman's scalp and is 10cm in length.

Cutaneous horn
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