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Find out how a doctor uses a skin biopsy to diagnose a change or growth on the skin.

Key points

  • A biopsy involves removing a small piece of skin to help diagnose the cause of skin changes.
  • A doctor may do a punch, an excisional or a shave biopsy, depending on what your child needs.
  • After a biopsy, the doctor will apply ointment and a bandage and may sometimes close the skin with stitches.
  • Call your child’s doctor or go to your nearest emergency department if your child has a fever, unusual bleeding, swelling or discharge during the first 48 hours after their biopsy.
Last updated: June 13th 2016