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Seborrheic Keratosis - Exams and Tests

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Exams and Tests

Your doctor can diagnose most seborrheic keratoses by doing a visual exam. He or she will look for the common appearance of a rough and bumpy surface.2 You may need a skin biopsy to rule out cancer if you have growths that:

  • Itch or bleed.
  • Become inflamed and red.
  • Are dark brown to black.
Last Updated: 02/26/2009

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