Definition of photodynamic in US English:



  • Denoting treatment for cancer involving the injection of a cytotoxic compound which is relatively inactive until activated by a laser beam after collecting in the tumor.

    ‘patients are being treated with photodynamic therapy’
    • ‘Other options include endoscopic ablation with thermal or photodynamic therapy.’
    • ‘New treatments such as photodynamic therapy and macular surgery may limit the extent of visual loss and in a few cases even restore sight.’
    • ‘He also did original work in photodynamic therapy for bladder cancers.’
    • ‘It is suitable for a number of medical applications including photodynamic therapy for cancer treatments, ophthalmology, and dermatology.’
    • ‘The efficacy of photodynamic treatment may be increased by adjuvant treatments.’