Journal of Cutaneous and Aesthetic Surgery
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   Table of Contents     
PRACTICE POINTS  
Year : 2021  |  Volume : 14  |  Issue : 3  |  Page : 357-358
Use of 27-gauge tuberculin syringe for trichloroacetic acid chemical reconstruction of skin scars (TCA-CROSS)


Department of Dermatology, Base Hospital Delhi Cantt, New Delhi, India

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Date of Web Publication20-Oct-2021
 

   Abstract 

Chemical Reconstruction of Skin Scars (CROSS) is a minimally invasive, safe, and cost effective technique for the management of ice pick acne scars that are otherwise generally resistant to treatment. 100% trichloro acetic acid (TCA) is usually applied using toothpicks and the end point is white discoloration of skin. The concentrated caustic agent quite often spills onto surrounding normal skin leading to superficial burns and post-inflammatory pigmentation. Use of 27-gauge tuberculin syringe gives a much more controlled access to apply TCA leading to better cosmetic outcome and fewer adverse effects.

Keywords: Acne scar, chemical reconstruction of skin scars, trichloroacetic acid, tuberculin syringe

How to cite this article:
Mitra D, Singh GK, Singh T, Mitra B. Use of 27-gauge tuberculin syringe for trichloroacetic acid chemical reconstruction of skin scars (TCA-CROSS). J Cutan Aesthet Surg 2021;14:357-8

How to cite this URL:
Mitra D, Singh GK, Singh T, Mitra B. Use of 27-gauge tuberculin syringe for trichloroacetic acid chemical reconstruction of skin scars (TCA-CROSS). J Cutan Aesthet Surg [serial online] 2021 [cited 2021 Nov 27];14:357-8. Available from: https://www.jcasonline.com/text.asp?2021/14/3/357/328652





   Surgical Challenge Top


Use of trichloroacetic acid chemical reconstruction of skin scars (TCA-CROSS) is a minimally invasive, safe, and cost-effective technique for the management of ice pick acne scars that are otherwise generally resistant to treatment. Ice pick scars are a type of deep atrophic acne scars, which extend up to subcutis.[1] They generally have a wide opening of about 1–2 mm and a deeper narrow infundibulum, forming a conical “v” shape.

Chemical reconstruction of skin scars using 100% TCA causes coagulative necrosis of cells in the epidermis and dermal collagen along with precipitation of keratin proteins.[2] TCA-CROSS is effective in managing these deep acne scars and results in quick healing and better cosmetic outcome.

100% TCA is usually applied using toothpicks and the end point is white discoloration of skin. The concentrated caustic agent quite often spills onto surrounding normal skin leading to superficial burns and post-inflammatory pigmentation.


   Solution Top


Use of 27-gauge tuberculin syringe gives a much more controlled access to apply TCA. The narrow needle is able to access the bottom of the ice pick scars, where the chemical is actually needed [Figure 1]. The fluid drop outside the syringe forms a globule due to surface tension dynamics [Figure 2]. The amount of TCA to be applied can easily be controlled with the plunger. The spill of the acid is minimum leading to less downtime postprocedure and finally very minimal collateral skin damage.
Figure 1: Tuberculin syringe application of trichloroacetic acid

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Figure 2: 27-gauge tuberculin syringe with trichloroacetic acid globule

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Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
   References Top

1.
Bhardwaj D, Khunger N. An assessment of the efficacy and safety of CROSS technique with 100% TCA in the management of ice pick acne scars. J Cutan Aesthet Surg 2010;3:93-6.  Back to cited text no. 1
[PUBMED]  [Full text]  
2.
Brodland DG, Cullimore KC, Roenigk RK, Gibson LE. Depths of chemicoexcision induced by various concentrations and application techniques of trichloroacetic acid in a porcine model. J Dermatol Surg Oncol 1989;15:967-71.  Back to cited text no. 2
    

Top
Correspondence Address:
Dr. Debdeep Mitra
Department of Dermatology, Base Hospital Delhi Cantt, New Delhi.
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JCAS.JCAS_147_20

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    Figures

  [Figure 1], [Figure 2]



 

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