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  1. Seborrheic Keratosis: What Is It, Causes, Risks & Treatment

    Aug 27, 2021 · Seborrheic keratosis is a benign skin growth. It’s common in older people and not harmful, but you might want to have it removed for cosmetic reasons.

  2. Seborrheic keratosis - Symptoms & causes - Mayo Clinic

    Jan 18, 2022 · Learn more about the symptoms and treatments of this common, noncancerous skin growth that gradually appears as you age.

  3. Seborrheic keratosis - Wikipedia

    A seborrheic keratosis is a non-cancerous (benign) skin tumour that originates from cells, namely keratinocytes, in the outer layer of the skin called the epidermis.

  4. Seborrheic Keratosis: Appearance, Causes, Treatment - Healthline

    May 24, 2024 · Seborrheic keratosis is a type of harmless skin growth that can resemble melanoma. Discover symptoms, risk factors, signs to see a doctor, and more.

  5. Seborrheic Keratoses - Dermatologic Disorders - MSD Manuals

    The cause of seborrheic keratosis is unknown, but genetic mutations have been identified in certain types. The lesions commonly occur in middle age and later and most often appear on …

  6. Seborrheic Keratosis - Symptoms, Causes & Treatment - WebMD

    Apr 18, 2024 · Like moles, seborrheic keratosis happens when extra skin cells bunch up together on the top layer of skin. It can appear later in life, after about age 40. It can show up anywhere …

  7. Seborrheic Keratosis: Symptoms, Causes, Diagnosis, and Treatment

    Sep 4, 2025 · Skin barnacles, medically known as seborrheic keratoses, are wart-like growths that may appear anywhere on the skin except for the palms and soles. These growths are …

  8. Actinic Keratosis (A Precancerous Condition) - Johns Hopkins …

    Actinic keratoses are very common, and many people have them. They are caused by ultraviolet (UV) damage to the skin. Some actinic keratoses can turn into squamous cell skin cancer. …

  9. Seborrheic keratoses: Overview - American Academy of Dermatology

    Seborrheic keratosis is a common skin growth. It may seem worrisome because it can look like a wart, pre-cancerous skin growth (actinic keratosis), or skin cancer. Despite their appearance, …

  10. What Is Keratosis? A General Guide To The Different Forms

    May 21, 2025 · Keratosis refers to any skin disorder that involves the abnormal growth of a protein in the skin called keratin. Changes in keratin levels lead to visible growths on the skin that vary …