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

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 impractic...

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Bibliographic Details
Published in:Journal of dermatology 2011-08, Vol.38 (8), p.748-754
Main Authors: HIRATA, Yui, KOGA, Sumie, FUKUI, Nao, YU, Akitoshi, KOSHIDA, Saya, KOSAKA, Yukako, KUROKAWA, Teruo, MORIWAKI, Shinichi
Format: Article
Language:English
Subjects:
5-aminolevulinic acid
actinic keratosis
Aged
Aged, 80 and over
Aminolevulinic Acid - therapeutic use
Bowen's disease
Bowen's Disease - drug therapy
Bowen's Disease - pathology
Female
Humans
Keratosis, Actinic - drug therapy
Keratosis, Actinic - pathology
Male
Middle Aged
Photochemotherapy - instrumentation
Photochemotherapy - methods
photodynamic therapy
Photosensitizing Agents - therapeutic use
skin cancer
Skin Neoplasms - drug therapy
Skin Neoplasms - pathology
Super Lizer
Treatment Outcome
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Summary: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.
ISSN:0385-2407
1346-8138
DOI:10.1111/j.1346-8138.2010.01102.x