Tissue expansion grows extra skin by stretching nearby skin. A soft silicone expander is placed under the skin next to the area that needs repair and is filled with saline in small steps over weeks to months. The skin gradually grows to accommodate it. In a second operation, the expander is removed, and the spare skin is used to cover the defect.

At Apex, tissue expansion can be used for burn scars, for some skin lesions and during certain breast reconstructions. The surgeon decides whether it suits the case after assessing the area, the patient's age and the time they can commit to the process.

How the Procedure Can Help

Expanded skin is a close match in colour, texture and sensation, as it comes from beside the defect. The procedure can provide a more natural repair than a graft, especially in visible areas.

Risks and Considerations

The process needs patience and several visits, and the swelling under the skin can be visible during treatment, which is worth planning around school or work. Infection, exposure or leakage of the expander and discomfort during filling can occur, and occasionally the expander has to be removed early. Two operations are required, and expansion is not suitable for every site.