Results 251 to 260 of about 81,368 (303)

Photodynamic therapy

Journal of Laser Applications, 1995
Photodynamic therapy (PDT) is a new treatment for solid tumors utilizing the combined action of light and a photosensitizing drug. Laser–fiber optic delivery systems make it practical to treat superficial and interstitial cancers, including malignancies of the skin, head and neck, esophagus, endobronchial tract, stomach, urinary bladder, female genital
G I, Stables, D V, Ash
  +7 more sources

Photodynamic therapy

Hospital Medicine, 2000
Photodynamic therapy (PDT) is a selective therapeutic approach involving uptake of a sensitizer by the target cells followed by their destruction on lightinduced activation of the chemical. Although the technique was discovered at the turn of the 20th century, its widespread use has awaited the development of suitable drugs and light sources (Brown ...
C, Ell, L, Gossner
openaire   +5 more sources

Photodynamic Therapy

Surgical Clinics of North America, 1992
Photodynamic therapy is an experimental method for treating malignant tumors. Injection of a tumor-localizing and photosensitizing agent and its subsequent activation by an appropriate wavelength of light can lead to tumor destruction, apparently through disruption of the vascular integrity of the neoplasm.
T J, Wieman, V H, Fingar
  +7 more sources

Photodynamic Therapy

Advances in Dermatology, 2006
ALA-PDT is a safe, well-tolerated, and effective treatment for many dermatologic conditions. Current data most strongly support its use in the treatment of actinic damage, but further investigation into alternative uses continues. Current efficacy is limited primarily by the depth of penetration of the photosensitizing agent and the activating light ...
openaire   +4 more sources

PHOTODYNAMIC THERAPY

Photochemistry and Photobiology, 1985
Photodynamic therapy for treatment of malignant tumors uses certain porphyrins as relatively tumor-selective photosensitizers. A wide variety of tumors take up and retain these materials, which can result in complete eradication of the local tumor provided that light of the proper wavelength and sufficient dose is used.
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Photodynamic Therapy

Dermatologic Clinics, 2014
Photodynamic therapy (PDT) relies on the interaction between a photosensitizer, the appropriate wavelength, and oxygen to cause cell death. First introduced about 100 years ago, PDT has continued to evolve in dermatology into a safe and effective treatment option for several dermatologic conditions.
Ali M, Rkein, David M, Ozog
openaire   +2 more sources

Photodynamic Therapy

Gastrointestinal Endoscopy Clinics of North America, 2011
Photodynamic therapy (PDT) is a photochemical process that uses a photosensitizer drug activated by laser light to produce mucosal ablation. Porfimer sodium PDT has proved long-term efficacy and durability in the treatment of Barrett's esophagus and high-grade dysplasia and early esophageal adenocarcinoma.
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Innovative therapies: photodynamic therapy

Thoracic Surgery Clinics, 2004
Photodynamic diagnosis could be a useful tool for improving the diagnostic yield of tumor biopsy, especially for mesothelioma tumors that are sclerotic and particularly hypocellular. For PDD, the use of low doses of a sensitizing drug, such as 5-ALA, must be investigated further. The initial results of 5-ALA-mediated PDD are promising. The role, if any,
Evelio, Rodriguez   +2 more
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