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5-Aminolevulinic acid-mediated photodynamic therapy to superficial malignant skin tumors using Super Lizer.

Abstract
Photodynamic therapy (PDT) using topically applied 5-aminolevulinic acid (ALA) has become a generally accepted treatment modality for superficial malignant skin tumors. However, the costly excimer-dye laser, diode laser and light-emitting diode (LED) frequently used to administrate PDT are impractical to use in most dermatology clinics. This study evaluated the effectiveness of ALA-mediated PDT using a Super Lizer (Tokyo Iken, Tokyo, Japan) equipped with band-pass filters in 38 patients with superficial malignant skin tumors (33 cases of actinic keratosis and five cases of Bowen's disease). Twenty-one cases (18 cases of actinic keratosis and three cases of Bowen's disease) were successfully treated, and the other 17 cases (15 cases of actinic keratosis and two cases of Bowen's disease) showed partial remission after single or repeated administration of PDT. PDT repeated three times at weekly intervals was more effective against actinic keratosis than randomly repeated procedures. The Super Lizer is easy to handle and move, and is less expensive than other known machinery and is useful for PDT in dermatology, especially under the protocol of three times at weekly intervals for the treatment of actinic keratosis.
AuthorsYui Hirata, Sumie Koga, Nao Fukui, Akitoshi Yu, Saya Koshida, Yukako Kosaka, Teruo Kurokawa, Shinichi Moriwaki
JournalThe Journal of dermatology (J Dermatol) Vol. 38 Issue 8 Pg. 748-54 (Aug 2011) ISSN: 1346-8138 [Electronic] England
PMID21352331 (Publication Type: Case Reports, Journal Article)
Copyright© 2010 Japanese Dermatological Association.
Chemical References
  • Photosensitizing Agents
  • Aminolevulinic Acid
Topics
  • Aged
  • Aged, 80 and over
  • Aminolevulinic Acid (therapeutic use)
  • Bowen's Disease (drug therapy, pathology)
  • Female
  • Humans
  • Keratosis, Actinic (drug therapy, pathology)
  • Male
  • Middle Aged
  • Photochemotherapy (instrumentation, methods)
  • Photosensitizing Agents (therapeutic use)
  • Skin Neoplasms (drug therapy, pathology)
  • Treatment Outcome

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