Z-plasty
Z-plasty (pronounced: zee-plas-tee) is a surgical technique used to improve the functional and cosmetic appearance of scars. It can elongate a contracted scar or rotate the tension line of the scar.
Etymology
The term "Z-plasty" is derived from the zigzag pattern created by the three incisions that form the shape of a 'Z'. The term is of modern origin, with the first known use in the 20th century.
Procedure
The Z-plasty procedure involves making three incisions in the shape of a 'Z' on the scar. The central incision is made along the line of the scar, while the two lateral incisions are made at an angle to the central incision. The skin flaps created by these incisions are then transposed and sutured into their new positions. This changes the direction of the scar and can make it less noticeable.
Applications
Z-plasty is used in a variety of surgical fields, including plastic surgery, dermatology, and hand surgery. It is commonly used to treat contractures, such as those that occur after burns or trauma. It can also be used to treat webbed fingers or toes, a condition known as syndactyly.
Related Terms
- Scar revision: A general term for procedures used to alter the appearance of scars, including Z-plasty.
- Flap (surgery): A piece of tissue that is still attached to the body by a major artery and vein or at its base. This can be used in Z-plasty to move skin around.
- Contracture: A permanent shortening of a muscle or joint. Z-plasty can be used to treat this condition.
- Syndactyly: A condition where two or more digits are fused together. Z-plasty can be used to separate the digits.
External links
- Medical encyclopedia article on Z-plasty
- Wikipedia's article - Z-plasty
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