Preventing the Complications of Tissue Expansion Using Fat Grafting Under Expanded Skin

Soft tissue expansion is a widely used technique for repairing soft tissue defects because of its multiple advantages. However, the limiting regenerative capacity of skin always leads to many complications with an occurrence rate of 3.65% for tissue necrosis and 1.68% for expander exposure(1, 2). Fortunately, we can observe several early signs before these complications, like skin thinning, telangiectasia, embolism and striae. Without timely and effective treatment, these early signs will turn into complications and the treatment will finally fail (Figure 1).

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