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Dermatol Surg. 2012 Oct;38(10):1662-7. doi: 10.1111/j.1524-4725.2012.02541.x. Epub 2012 Sep 18.

Focal high-concentration trichloroacetic acid peeling for treatment of atrophic facial chickenpox scar: an open-label study.

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1
Skin Research Center, Shohada-e Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran. b_barikbin@sbmu.ac.ir

Abstract

BACKGROUND:

Despite their prevalence, there is a paucity of information in the medical literature on the treatment of atrophic chickenpox scars.

OBJECTIVE:

To evaluate the efficacy and safety of using the chemical reconstruction of skin scar technique for the treatment of atrophic facial chickenpox scars.

METHODS AND MATERIALS:

One hundred patients (mean age 23 years; Fitzpatrick skin types II-IV) were treated with focal chemical peeling with 70% trichloroacetic acid (TCA) for a maximum of six sessions. Improvement rate, frequency of adverse events and patient satisfaction were assessed.

RESULTS:

Five hundred thirty-three peeling sessions in 100 consecutive patients were performed. Final assessment at 12-week follow-up visit after the last treatment revealed improvement in 95% of patients: mild improvement in 12 cases, moderate improvement in 42 cases, and marked improvement in 41 cases. The appearance of scars did not change in five patients. Seventy-nine patients expressed moderate to high satisfaction with the results. Post-treatment side effects were mild and transient, resolving gradually within the study period.

CONCLUSION:

Focal peeling with high-concentration TCA appears to be a safe and effective alternative in the treatment of atrophic facial chickenpox scars.

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