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Actas Dermosifiliogr. 2014 Jul-Aug;105(6):614-7. doi: 10.1016/j.ad.2013.10.016. Epub 2014 Jan 25.

Effectiveness of 5-aminolevulinic acid photodynamic therapy in the treatment of hidradenitis suppurativa: a report of 5 cases.

[Article in English, Spanish]

Author information

1
Departamento de Dermatología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
2
Unidad de Teledermatología, Centro de Salud Familiar San Fabián, Servicio de Salud Ñuble, San Fabián, Chile. Electronic address: jlparra@puc.cl.

Abstract

Hidradenitis suppurativa has been described as a chronic, recurrent, and disabling inflammatory disease involving the entire hair follicle. Several treatments, including photodynamic therapy, have been used, but the results have been inconsistent and recurrence is high. In this prospective study, we evaluated disease severity, quality of life, and treatment tolerance in 5 patients with moderate to severe hidradenitis suppurativa treated with photodynamic therapy using 5-aminolevulinic acid and a 635-nm light source. Treatment effectiveness was evaluated using the Sartorius severity score, the Dermatology Life Quality Index, and a visual analog scale for pain and disease activity. Significant improvements were observed with all 3 instruments and the effects remained visible at 8 weeks. Our results suggest that photodynamic therapy with 5-aminolevulinic acid and a light wavelength of 635 nm could reduce disease severity and improve quality of life in patients with difficult-to-treat hidradenitis suppurativa.

KEYWORDS:

5-aminolevulinic acid; Hidradenitis suppurativa; Hidrosadenitis supurativa; Photodynamic Therapy; Terapia fotodinámica; Ácido 5-aminolevulínico

PMID:
24472519
DOI:
10.1016/j.ad.2013.10.016
[Indexed for MEDLINE]

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