Subcision
Subcutaneous incision, also known as subcision, is used to break up the fibrous bands that cause depressed rolling acne scars in the skin.
Subcision is performed under local anaesthesia by inserting a small needle under the skin so that it is parallel to the skin surface. Staying in the plane between the dermis and the subcutaneous tissue, the needle is gently advanced and retracted in a piston-like motion cutting the tethering bands. This will free up the depressed scars.
This procedure causes bruising which fades after about 1 week. As the treated areas heal, new collagen is laid down in the scars and this will plump them up.
The possible risks of subcision include bleeding and the formation of subcutaneous nodules, which is uncommon. Bleeding can be controlled with proper use of anaesthetics and bandaging, and the subcutaneous nodules can be treated with the injection of corticosteroids into the nodule.
On average it takes about 20-40 minutes to treat any given area.
This treatment is often combined with laser resurfacing by the MiXto SX Fractional CO2 Laser.
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