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Seborrheic keratosis

  • Alternative Names

    Benign skin tumors - keratosis; Keratosis - seborrheic; Senile keratosis


    Symptoms

    Symptoms are skin growths that:

    • Are located on the face, chest, shoulders, back, or other areas
    • Are usually painless, but may become irritated and itch
    • Are yellow, brown, black, or other colors
    • Have a slightly raised, flat surface
    • May have a rough or wart-like texture
    • Often have a waxy surface
    • Have a round-to-oval shape
    • May have a "pasted-on" appearance
    • May be single, but are usually many growths

    Signs and tests

    Diagnosis is mainly based on the way the growths appear. A skin lesion biopsy may be used to confirm the diagnosis.