I. Indications

  1. Elective Incision or Biopsy

II. Images

III. Physiology

  1. Relaxed Skin Tension Lines
    1. Skin Tension Lines followed during elective incision
      1. Offers best cosmetic result
      2. Most narrow and strongest scar line
    2. Parallel to dermal collagen bundles
    3. Perpendicular to muscle contraction
  2. Langer Lines
    1. Historically used to determine optimal incision line
    2. Based on biopsy procedures on cadavers
    3. Worse cosmetic result than with Skin Tension Lines

Images: Related links to external sites (from Google)