Abstract
Intralesional radiofrequency using intravenous canula (IVC) is a commonly used procedure for selective ablation of dermal and subcutaneous lesions, while sparing the epidermis. 1 Subhadarshani S. Gupta V. Taneja N. Yadav S. Gupta S. Efficacy and safety of a novel method of insulated intralesional radiofrequency ablation for deep dermal and subcutaneous lesions: a 3-year institutional experience. Dermatol Surg. 2018; 44: 714-720 Crossref PubMed Scopus (7) Google Scholar In this procedure, an IVC is inserted into the depth of the lesion, and energy is delivered at the tip of the inner metallic cannula, which dissipates in all the directions. However, it may cause damage to the surface epithelium (Fig 1, A) when the dermal pathology is close to the epidermis (eg, keloid), resulting in slow healing, bad esthetic outcome, and risk of recurrence and scarring.
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