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Objectives
To evaluate the feasibility of topical photodynamic therapy (PDT) using 5‐aminolevulinic acid (5‐ALA) for vocal fold leukoplakia.
Study Design
Ex vivo and in vivo.
Methods
5‐ALA was applied topically as a 20% solution to ex vivo canine vocal folds. The penetration depth and concentrations of 5‐ALA in tissue were quantified using frozen sectioning and fluorescamine derivatization after...
Photodynamic therapy (PDT) has been developed as a promising treatment modality for laryngeal cancer. 9-Hydroxypheophorbide α (9-HPbD), a novel chlorophyll-derived photosensitizer, has a longer absorption wavelength, which increases the penetration of light to malignant tissues. Carboplatin (CBDCA), a second-generation platinum derivative, also has gained more popularity for the treatment of laryngeal...
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