noun (plural keratoses /-sēz/)Medicine
A horny growth, especially on the skin.
- Typically, seborrheic keratoses don't become cancerous, but they can resemble skin cancer.
- Differentiating between seborrheic keratoses and melanomas is a challenge.
- Since that time, he has had sebaceous adenomas, sebaceous carcinomas, and actinic keratoses removed from his nose and cheek.
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