Adjunctive treatment of keloids: comparison of photodynamic therapy with brachytherapy
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ORIGINAL PAPER
Adjunctive treatment of keloids: comparison of photodynamic therapy with brachytherapy Harie Basdew & Robert Mehilal & Abrahim Al-Mamgani & Peter van Rooij & Anand Bhawanie & Henricus J. C. M. Sterenborg & Rudi Tjong Joe Wai & Marc Mureau & Dominic J. Robinson & Peter C. Levendag Received: 24 October 2012 / Accepted: 26 November 2012 / Published online: 17 January 2013 # Springer-Verlag Berlin Heidelberg 2013
Abstract Background The aesthetic result after brachytherapy, especially hypopigmentation, remains a significant problem. Given that brachytherapy may be carcinogenic, it is difficult to recommend this treatment in young patients. For these reasons, there is a need for alternatives to radiation. Methods The purpose of this study was to evaluate the effectiveness of adjuvant photodynamic therapy (PDT) using aminolevulinic acid after keloid excision and to compare it to keloid excision followed by brachytherapy. To assess outcome, the Patient and Observer Scar Assessment Scale (POSAS) was used. Results Thirty-four patients treated for 45 keloids were evaluated. Twenty-two patients (27 lesions) received brachytherapy and 12 (18 lesions) received PDT. The observers scored a mean POSAS of 19.1 (range 13.0–34.0) for brachytherapy and 24.6 (range 11.0–37.0) for PDT (p00.005). The independent observers scored a mean POSAS of 14.6 H. Basdew : R. Mehilal : A. Al-Mamgani : P. van Rooij : A. Bhawanie : P. C. Levendag (*) Department of Radiation Oncology, Erasmus MC-Daniel den Hoed Cancer Center, Erasmus University Medical Center, Groene Hilledijk 301, 3075 EA Rotterdam, The Netherlands e-mail: [email protected] H. J. C. M. Sterenborg : D. J. Robinson The Center for Optical Diagnostics and Therapy, Department of Radiation Oncology, Erasmus MC, Erasmus University Medical Center, Rotterdam, The Netherlands M. Mureau Department of Plastic and Reconstructive Surgery, Erasmus MC, Erasmus University Medical Center, Rotterdam, The Netherlands R. T. J. Wai Department of Plastic and Reconstructive Surgery, Maasstad Ziekenhuis, Rotterdam, The Netherlands
(range 10.0–20.0) for brachytherapy and 18.6 (range 9.0– 42.0) for PDT (p00.018). The patients reported a significantly better mean POSAS score after brachytherapy (22.8, range 7.0–53.0) than following PDT (34.2, range 11.0– 63.0). The patients’ POSAS score showed no significant difference for the item “general impression” for both treatment groups; the observers scored significantly higher for PDT treatment. The independent observers revealed a higher score for general impression after PDT although not reaching significance. Conclusions Patients and observers appear to be more satisfied with the results after brachytherapy than PDT. However, patients still have a positive general impression after PDT. Adjunctive aminolevulinic acid–PDT for the treatment of keloids could be used as an alternative for brachytherapy. Level of Evidence: Level IV, therapeutic study. Keywords Brachytherapy . Keloid . Aminolevulinic acid . Photodynamic therapy . POSAS
Introduction K
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