Ireej Ehsan, Uzma Ahsan, Nighat Sultan.
Comparison of Efficacy of 50% Trichloroacetic Acid using CROSS Technique with Microneedling for the Treatment of Atrophic Acne Scars.
J Sharif Med Dent Coll Jan ;6(1):26-31.

Objective: To compare the efficacy of 50% trichloroacetic acid (TCA) using chemical reconstruction of skin scars (CROSS) technique and microneedling for the treatment of acne scars. Methodology: This was a quasi-experimental study with a total of 60 patients, aged 18 and above with grade 3 and 4 atrophic acne scars. Patients were grouped for their initial grade of acne scars on the basis of the Goodman and Baron grading system. A total of 30 patients were treated with 50% TCA using CROSS technique and 30 with microneedling. A total of 3 sessions one month apart were done. Pre and post treatment photographs were taken and the scars were graded again at the end of the last session. Results: After 3 sessions of the TCA CROSS technique and microneedling, all the patients showed a decrease in grades of acne scarring. They were assessed using Goodman and Baron grading system. At the end of treatment sessions; all the patients demonstrated a decline in acne grades. Compared to the pretreatment proportions, the number of patients increased in group I, II & III, while it declined in group IV, due to improvement in acne grading. Response was significantly better in patients treated with microneedling (p<0.05). Conclusion: Microneedling is more effective in the management of atrophic acne scars. Keywords: Post-acne scars. 50% TCA. Microneedling. Atrophic acne scars.

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