Intralesional Triamcinolone Acetonide and Its Combination With 5-fluorouracil in Keloids and Hypertrophic Scars

Group A: 1ml of 40mg/ml triamcinolone acetonide will be mixed with 1ml of normal saline Group B:1 ml of 40 mg/ml triamcinolone acetonide will be mixed with 1ml of 50 mg/ml FU Five units (0.125ml) of the mixture TAC 40mg/ml and 5-FU 50mg/ml (1:1) i.e. 2.5mg TAC and 3.125mg of 5-FU or TAC 40mg/ml and 2%xylocaine (1:1) i.e. 2.5mg of TAC will be given intralesional with the help of 1ml insulin syringe of 40units, that covers an area of about 0.5X0.5 cm2 of scar, thus, a scar of 1 cm2 will require 4 injections to cover the whole lesion. Each extra area of 0.5x0.5cm2 will be given 5 units of injection of above mixture of drugs. For the larger lesions, dose can be increased but no more than 2ml in each group. Injection will be given at 2 weeks interval for total of 6 sessions (at 0,2, 4, 6,8,10 weeks) Post treatment follow up: at 12 weeks.