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Curettage and multiple needle puncture-assisted methyl-aminolaevulinate photodynamic therapy of basal cell carcinoma.
European Journal of Dermatology : EJD 2018 December 2
The use of skin puncture techniques may facilitate the delivery of topically applied drugs for photodynamic therapy (PDT). The main aim of this prospective study was to evaluate the efficacy and cosmetic outcome of curettage, multiple needle puncture, and methyl-aminolaevulinate (MAL)-PDT in basal cell carcinoma (BCC). All tumours received curettage and 15-20 needle punctures/cm2 before two sessions of MAL-PDT. The primary endpoint was clinically observed recurrence at follow-up. Overall, 284 patients with 299 histologically verified BCC (70 superficial, 190 nodular, 35 aggressive, and four not subtyped) were included. Following PDT, the mean follow-up period was 6.7 months. After follow-up, 274 (92%) of 299 treatment sites showed no clinical signs of recurrence, with >90% complete response for each BCC subtype. The cosmetic outcome was rated as excellent/good in 81% of cases. Good short-term treatment results were shown following curettage, multiple needle puncture, and MAL-PDT for BCC of different subtypes.
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