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doi:
10.25259/IJDVL_165_20
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Innovative method to achieve precise cryolysis

Department of Dermatology, Venereology and Leprology, Maharishi Markandeshwar Institute of Medical Sciences and Research, MMDU, Mullana , Ambala, Haryana, India
Sun Skin Clinic, Ambala, Haryana, India
Corresponding author: Dr. Sanjeev Gupta, #B2, MM Medical College Residential Campus, Mullana, Ambala, Haryana, India. sanjeevguptadr@gmail.com
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This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

How to cite this article: Gupta S, Jangra RS, Gujrathi AV, Mahendra A. Innovative method to achieve precise cryolysis. Indian J Dermatol Venereol Leprol 2021;1-2.

Problem

Cryotherapy is a treatment modality used for the treatment of many dermatoses. Liquid nitrogen is the ideal method for cryotherapy due to its no-touch technique and lower boiling point.1 Unfortunately, the higher cost, limited availability and wastage in storage are a few limitations encountered with the use of liquid nitrogen. In such instances, nitrous oxide is preferred because of its easy storage and availability as it is also widely used in operation theaters in most hospitals. However, the conventional probes available for nitrous oxide are larger in size and are not ideal for treating fine lesions.

Solution

To overcome this problem, we propose the use of cryoprobes which are generally used in eye surgery [Figure 1]. They are available in sizes ranging from 1.0 mm to 4.0 mm. They are angulated and provide better precision due to their smaller size and better handling which makes them ideal for precise cryolysis, especially in small lesions like molluscum, warts, etc. [Figures 2-4].2-4 This is particularly useful in pediatric patients who are more apprehensive towards pain and needles. The use of this method also decreases risk of overtreatment and prevents adverse effects.

Figure 1:: Comparison of different ophthalmic cryoprobes
Figure 2:: Pre-procedure image of lesion
Figure 3:: Cryolysis done using ophthalmic cryoprobe
Figure 4:: Image of the lesion 3 weeks post-procedure

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

References

  1. . Method for cryogenically treating psoriasis with liquid nitrogen or liquid nitrous oxide. United States patent 5976505.
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  2. , . Molluscum contagiosum and warts. Am Fam Physician. 2003;67:1233-40.
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  3. . Podophyllin 10% and 25% in the treatment of anogenital warts. A comparative double-blind study. Br J Vener Dis. 1981;57:208-9.
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  4. , , , , , , et al. Efficacy and safety of three cryotherapy devices for wart treatment: A randomized, controlled, investigator-blinded, comparative study. Dermatol Ther (Heidelb). 2018;8:203-16.
    [CrossRef] [PubMed] [Google Scholar]

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