שאלה משלב א׳ בא.א.ג וכירורגיה של ראש וצוואר · מועד 2022, שאלה 94

A scar lying PERPENDICULAR to the relaxed skin tension lines is the indication for revision, because it is pulled open by the resting tension of the skin and tends to widen, hypertrophy and contract - the correction being a geometric rearrangement (Z-plasty, W-plasty or geometric broken line closure) that reorients the segments into the RSTLs. A scar parallel to the RSTLs, a flat atrophic scar and a scar lying within a single aesthetic unit are generally left alone.