Prevention of<unk>  scars in patients with a known predisposition to them includes preventing unnecessary trauma or surgery (such as ear piercing and elective mole removal) whenever possible. Any skin problems in predisposed individuals (e.g., acne, infections) should be treated as early as possible to minimize areas of inflammation. Treatments (both preventive and therapeutic) available are pressure therapy, silicone gel sheeting, intra-lesional triamcinolone acetonide (TAC), cryosurgery (freezing), radiation, laser therapy (PDL), IFN, 5-FU and surgical excision as well as a multitude of extracts and topical agents. Appropriate treatment of a<unk>  scar is age-dependent: radiotherapy, anti-metabolites and corticosteroids would not be recommended to be used in children, in order to avoid harmful side effects, like growth abnormalities. In adults, corticosteroids combined with 5-FU and PDL in a triple therapy, enhance results and diminish side effects. Cryotherapy (or cryosurgery) refers to the application of extreme cold to treat<unk> s. This treatment method is easy to perform, effective and safe and has the least chance of recurrence. Surgical excision is currently still the most common treatment for a significant amount of<unk>  lesions. However, when used as the solitary form of treatment there is a large recurrence rate of between 70 and 100%. It has also been known to cause a larger lesion formation on recurrence. While not always successful alone, surgical excision when combined with other therapies dramatically decreases the recurrence rate. Examples of these therapies include but are not limited to radiation therapy, pressure therapy and laser ablation. Pressure therapy following surgical excision has shown promising results, especially in<unk> s of the ear and earlobe. The mechanism of how exactly pressure therapy works is unknown at present, but many patients with<unk>  scars and lesions have benefited from it. Intralesional injection with a corticosteroid such as Kenalog (triamcinolone acetonide) does appear to aid in the reduction of fibroblast activity, inflammation and pruritus. Tea tree oil, salt or other topical oil has no effect on<unk>  lesions.
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