Journal of Cutaneous and Aesthetic Surgery
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ORIGINAL ARTICLE
Year : 2012  |  Volume : 5  |  Issue : 3  |  Page : 185-189

Cryotherapy in treatment of keloids: Evaluation of factors affecting treatment outcome


Department of Dermatology and STD, Lady Hardinge Medical College, New Delhi, India

Correspondence Address:
Meenu Barara
Department of Dermatology and STD, Lady Hardinge Medical College, Shaheed Bhagat Singh Marg, New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0974-2077.101376

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Background: Keloids are cosmetically disfiguring benign fibrous outgrowths, which present as a major therapeutic dilemma due to their frequent recurrence. Despite a wide therapeutic armamentarium available for these scars, none has been found to be completely effective and satisfactory. Cryosurgery has offered some promise in the treatment of keloids.We conducted this study to evaluate the effect of cryotherapy in treatment of keloids and to relate the treatment outcome with the clinico-etiological factors. Materials and Methods: A hospital-based interventional study was conducted in 30 patients of keloids. Patients received two freeze thaw cycles of 15 seconds each at four weekly intervals for six sessions or flattening greater than 75%; whichever occurred earlier. Patients were assessed after three treatment sessions and at treatment completion regarding thickness and firmness of lesions. Patient satisfaction scale was used to evaluate the treatment outcome at completion of six treatment sessions. Paired Students t-test and Analysis of variance (ANOVA) were used for statistical analysis. Results: Average flattening noted after 3 and 6 sessions of cryotherapy was 30.76% and 58.13%, respectively. The duration of lesions and thickness of keloids correlated significantly with the result of treatment. The site and aetiology did not influence the outcome of cryosurgical treatment. Conclusion: Cryotherapy seems to be an effective treatment modality for keloids of recent onset, particularly smaller lesions. Duration and thickness of the keloids were found to be the most important factors in determining treatment outcome with cryotherapy in our study. Larger studies are, however, required to confirm the efficacy of this treatment modality and to validate our findings of the factors affecting treatment outcome.


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