Cryosurgery versus curettage for intraepidermal carcinoma: A randomized controlled trial.
Journal
Journal of the European Academy of Dermatology and Venereology : JEADV
ISSN: 1468-3083
Titre abrégé: J Eur Acad Dermatol Venereol
Pays: England
ID NLM: 9216037
Informations de publication
Date de publication:
Nov 2023
Nov 2023
Historique:
received:
06
03
2023
accepted:
12
06
2023
medline:
26
10
2023
pubmed:
12
7
2023
entrez:
12
7
2023
Statut:
ppublish
Résumé
Cryosurgery is a common destructive treatment method for intraepidermal carcinoma (IEC) above the knee. Curettage alone is a simple, non-aggressive and inexpensive treatment method commonly used on benign skin lesions. However, only one study has assessed curettage for treatment of IEC. We aimed to (1) compare the effectiveness of cryosurgery (standard method) to curettage (experimental method) for treatment of IEC in regard to overall clearance rates at 1-year follow-up, and (2) investigate whether wound healing times differed between the treatment groups. In this randomized and controlled, non-inferiority trial, adult patients with one or more IEC with a diameter of 5-20 mm, located above the knee and suitable for destructive treatment were recruited from Sahlgrenska University Hospital (Gothenburg, Sweden). Lesions were randomized to treatment with either cryosurgery or curettage. Wound healing was assessed by a nurse after 4-6 weeks and through self-report forms. Overall clearance was assessed by a dermatologist after 1 year. In total, 183 lesions in 147 patients were included, with 93 lesions randomized to cryosurgery and 90 to curettage. Eighty-eight (94.6%) of the lesions in the cryosurgery group and 71 (78.9%) in the curettage group showed an overall clearance at the 1-year follow-up visit (p = 0.002). The non-inferiority analysis was inconclusive. Curettage resulted in both shorter self-reported wound healing times (mean time 3.1 vs. 4.8 weeks, p < 0.001) and a larger proportion of healed wounds after 4-6 weeks (p < 0.001). Cryosurgery and curettage both result in high clearance rates for treatment of IEC, but cryosurgery is significantly more effective. On the other hand, curettage may result in shorter wound healing times.
Sections du résumé
BACKGROUND
BACKGROUND
Cryosurgery is a common destructive treatment method for intraepidermal carcinoma (IEC) above the knee. Curettage alone is a simple, non-aggressive and inexpensive treatment method commonly used on benign skin lesions. However, only one study has assessed curettage for treatment of IEC.
OBJECTIVE
OBJECTIVE
We aimed to (1) compare the effectiveness of cryosurgery (standard method) to curettage (experimental method) for treatment of IEC in regard to overall clearance rates at 1-year follow-up, and (2) investigate whether wound healing times differed between the treatment groups.
METHODS
METHODS
In this randomized and controlled, non-inferiority trial, adult patients with one or more IEC with a diameter of 5-20 mm, located above the knee and suitable for destructive treatment were recruited from Sahlgrenska University Hospital (Gothenburg, Sweden). Lesions were randomized to treatment with either cryosurgery or curettage. Wound healing was assessed by a nurse after 4-6 weeks and through self-report forms. Overall clearance was assessed by a dermatologist after 1 year.
RESULTS
RESULTS
In total, 183 lesions in 147 patients were included, with 93 lesions randomized to cryosurgery and 90 to curettage. Eighty-eight (94.6%) of the lesions in the cryosurgery group and 71 (78.9%) in the curettage group showed an overall clearance at the 1-year follow-up visit (p = 0.002). The non-inferiority analysis was inconclusive. Curettage resulted in both shorter self-reported wound healing times (mean time 3.1 vs. 4.8 weeks, p < 0.001) and a larger proportion of healed wounds after 4-6 weeks (p < 0.001).
CONCLUSIONS
CONCLUSIONS
Cryosurgery and curettage both result in high clearance rates for treatment of IEC, but cryosurgery is significantly more effective. On the other hand, curettage may result in shorter wound healing times.
Types de publication
Randomized Controlled Trial
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2370-2377Subventions
Organisme : Research Fellowship under the ALF-agreement
ID : ALFGBG-942629
Organisme : Swedish state under the agreement between the Swedish government and the county councils, the ALF-agreement
ID : ALFGBG-728761
Informations de copyright
© 2023 The Authors. Journal of the European Academy of Dermatology and Venereology published by John Wiley & Sons Ltd on behalf of European Academy of Dermatology and Venereology.
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