What is the placement and suturing technique to close a punch biopsy wound?

Updated: Mar 05, 2020
  • Author: Desiree Ratner, MD; Chief Editor: Dirk M Elston, MD  more...
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Answer

Placing sutures lateral to a punch biopsy causes the defect to taper, allowing a more linear closure and yielding improved cosmetic outcomes. [61] A simple interrupted stitch is placed 1-3 mm lateral to a wound edge, a second stitch is placed 1-3 mm lateral to the opposite wound edge, and a final stitch is placed at the center of the wound. Sites larger than 4 mm may require additional interrupted stitches. Disadvantages include extended procedure time and increased risk of suture marks.


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