Painting CROSS TCA technique: Modification of the CROSS method for the treatment of atrophic acne scars—Case series

Tamir Horovitz, Fares Salameh, Waseem Shehadeh, Amir Koren, Ofir Artzi*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background: The Chemical Reconstruction of Skin Scars (CROSS) technique was first described in 2002 and has since demonstrated safety and efficacy in multiple studies. We describe the treatment of six patients with a modified version of the CROSS method—the Painting CROSS trichloroacetic acid (TCA) technique. This technique has the advantage of offering even higher tissue selectivity and better control of the scar edges, enhancing both safety and efficacy. Methods: We retrospectively evaluated 31 scars of six patients who underwent a single treatment by the Painting CROSS TCA method. A 0.3 ml insulin syringe with a 30-gauge needle was filled with 0.05 ml of 85% TCA solution and then applied to the scar base with slight pressure until frosting was achieved. Patients were evaluated before and 3 months after treatment for scar volume deficit by a high-resolution three-dimensional imaging system. Results: The average volume of the 31 scars assessed in our study was 2.71 mm3 before treatment and 1.96 mm3 after treatment. There was a 26.3% average decrease in the volume of the scars after one treatment. Transient mild hyperpigmentation was noted in two patients after the treatment. Conclusion: Painting CROSS TCA technique has demonstrated efficacy in the treatment of acne scars after a single treatment.

Original languageEnglish
Pages (from-to)327-330
Number of pages4
JournalJournal of Cosmetic Dermatology
Volume21
Issue number1
DOIs
StatePublished - Jan 2022

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