Effectiveness and tolerability of treatment for isolated actinic keratoses: A retrospective comparison between cryotherapy, CO2 laser and 5-fluorouracil 0.5%/salicylic acid 10.
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| Abstract |
Actinic keratoses (AK) have been described as either intraepithelial keratinocytic dysplasia that can evolve into invasive squamous cell carcinoma (SCC) or as in situ SCC that can progress into an invasive form. A retrospective study was conducted to compare outcomes of three different topical therapies for patients with single AK (<4): cryotherapy, CO2 laser and 5-fluorouracil 0.5%/salicylic acid 10%. We included 72 patients who presented at the Dermatology Clinic of Maggiore Hospital of Trieste between 1 November 2019 and 31 January 2020 for the treatment of AKs. All treatments led to a significant reduction in the average diameter of AK. Pain felt by patients was significantly lower after 5-FU 0.5%/SA 10%. Side effects appeared similarly distributed among the three groups, with erythema and crusts being the most frequent. Aesthetic outcomes were highest in the 5-FU 5%/SA 10% group, as evaluated by both the patient and the operator. Cryotherapy, CO2 laser and 5-FU 5%/SA 10% were all effective, with no significant efficacy differences among them. Additionally, 5-FU 5%/SA 10% was proved to have the best aesthetic result and to cause the least pain, while necessitating long-term administration. This should be taken into account for patients with low pain tolerance and low treatment adherence. Cryotherapy and CO2 laser have the advantage of requiring a single session, which might be more suitable for uncooperative patients.
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| Authors | Claudio Conforti, Roberta Giuffrida, Caterina Dianzani, Fabrizio Guarneri, Giovanni Francesco Marangi, Nicoleta Neagu, Paolo Persichetti, Iris Zalaudek, Nicola di Meo |
| Journal | Dermatologic therapy (Dermatol Ther) Vol. 34 Issue 2 Pg. e14846 (03 2021) ISSN: 1529-8019 [Electronic] United States |
| PMID | 33528869 (Publication Type: Journal Article) |
| Copyright | © 2021 Wiley Periodicals LLC. |
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