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Journal of Environmental Pathology, Toxicology and Oncology
Factor de Impacto: 1.625 Factor de Impacto de 5 años: 1.63 SJR: 0.402 SNIP: 0.613 CiteScore™: 2.3

ISSN Imprimir: 0731-8898
ISSN En Línea: 2162-6537

Journal of Environmental Pathology, Toxicology and Oncology

DOI: 10.1615/JEnvironPatholToxicolOncol.v25.i1-2.150
pages 239-250

Positron Emission Tomography Imaging of Tumor Response after Photodynamic Therapy

Veronique Berard
Department of Nuclear Medicine and Radiobiology, Faculty of Medicine, Université de Sherbrooke, Sherbrooke, QC, Canada J1H 5N4
Roger Lecomte
Department of Nuclear Medicine and Radiobiology, Faculty of Medicine, Université de Sherbrooke, Sherbrooke, QC, Canada J1H 5N4
Johan E. van Lier
Department of Nuclear Medicine and Radiobiology, Faculty of Medicine, Université de Sherbrooke, Sherbrooke, QC, Canada J1H 5N4

SINOPSIS

Positron emission tomography (PET) imaging is a powerful noninvasive tool allowing physiological and biochemical processes to be investigated in vivo at the molecular level. In the clinics, it is currently being used to detect and stage cancer and to assess tumor response following therapy. In cancer research, at the preclinical level, PET in conjunction with a dedicated high-resolution small animal scanner can play an important role in drug development as well as in the evaluation of novel treatment protocols. In this paper, we review the use of PET in assessing tumor response to photodynamic therapy (PDT) and discuss its potential role in the development of novel photosensitizers. This molecular imaging modality is particularly promising for the real-time evaluation of tumor response to therapy both in terms of treatment efficacy and action mechanism.


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