Download - Zplasty
Transcript
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Z-Plastys
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Z-plasty
• Transposition of 2 equilateral triangular-shaped flaps sharing a common limb which are interposed to close each others secondary defect
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Z-plasty
• Uses:– Increase the length of a scar– Break up a straight line scar– Realign a scar
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Z-plasty
• 30 degrees----25% elongation• 45 degrees---50%• 60 degrees---75%• 75 degrees---100%• 90 degrees--- 125%
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Simple Z-plastyAB increased by 75%
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Double-opposing Z-plastyIncrease by 75%
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5 Flap Plasty75% for the Z’eds
50% for the VYtotal: 125%
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4 Flap Z-plasty50% for 1 Z-plasty of 45%
Therefore 100% elongation
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6 Flap Z-Plasty3x50%
Therefore 150% in length