Journal
BRITISH JOURNAL OF DERMATOLOGY
Volume 160, Issue 4, Pages 795-800Publisher
WILEY
DOI: 10.1111/j.1365-2133.2008.09024.x
Keywords
actinic keratoses; field cancerization; nerve block; pain; photodynamic therapy
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Funding
- ALF
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Background Topical photodynamic therapy (PDT) is an effective method when treating extensive areas of sun-damaged skin with multiple actinic keratoses (AKs) (field cancerization) on areas such as the forehead and scalp, and offers excellent cosmetic outcome. The major side-effect of PDT is the pain experienced during treatment. Objectives To investigate whether nerve blocks could provide adequate pain relief during PDT of AKs on the forehead and scalp. Methods Ten men with symmetrically distributed and extensive AKs on the forehead and scalp were included in the study. Prior to PDT one side of the forehead and scalp was anaesthetized by nerve blocks while the other side served as control. Results The mean visual analogue scale (VAS) score on the anaesthetized side was 1 compared with 6 4 on the nonanaesthetized side during PDT. This difference was significant (P < 0 0001), implying that nerve blocks reduce VAS scores during PDT. Conclusions The results of the study support the use of nerve blocks as pain relief during PDT of field cancerization on the forehead and scalp, although individual considerations must be taken into account to find the most adequate pain-relieving method for each patient.
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