Transcript Z-Plastys - Dr. Pouria Moradi

Z-Plastys
Z-plasty
• Transposition of 2 equilateral triangularshaped flaps sharing a common limb which
are interposed to close each others secondary
defect
Z-plasty
• Uses:
– Increase the length of a scar
– Break up a straight line scar
– Realign a scar
Z-plasty
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30 degrees----25% elongation
45 degrees---50%
60 degrees---75%
75 degrees---100%
90 degrees--- 125%
Simple Z-plasty
AB increased by 75%
Double-opposing Z-plasty
Increase by 75%
5 Flap Plasty
75% for the Z’eds
50% for the VY
total: 125%
4 Flap Z-plasty
50% for 1 Z-plasty of 45%
Therefore 100% elongation
6 Flap Z-Plasty
3x50%
Therefore 150% in length