Advanced optical techniques for monitoring dosimetric parameters in photodynamic therapy

Buhong Li; Zhihai Qiu; Zheng Huang

doi:10.1117/12.2001727

11 December 2012 Advanced optical techniques for monitoring dosimetric parameters in photodynamic therapy

Buhong Li, Zhihai Qiu, Zheng Huang

Proceedings Volume 8553, Optics in Health Care and Biomedical Optics V; 85530F (2012) https://doi.org/10.1117/12.2001727
Event: Photonics Asia, 2012, Beijing, China

Abstract

Photodynamic therapy (PDT) is based on the generation of highly reactive singlet oxygen through interactions of photosensitizer, light and molecular oxygen. PDT has become a clinically approved, minimally invasive therapeutic modality for a wide variety of malignant and nonmalignant diseases. The main dosimetric parameters for predicting the PDT efficacy include the delivered light dose, the quantification and photobleaching of the administrated photosensitizer, the tissue oxygen concentration, the amount of singlet oxygen generation and the resulting biological responses. This review article presents the emerging optical techniques that in use or under development for monitoring dosimetric parameters during PDT treatment. Moreover, the main challenges in developing real-time and noninvasive optical techniques for monitoring dosimetric parameters in PDT will be described.

Citation Download Citation

Buhong Li, Zhihai Qiu, and Zheng Huang "Advanced optical techniques for monitoring dosimetric parameters in photodynamic therapy", Proc. SPIE 8553, Optics in Health Care and Biomedical Optics V, 85530F (11 December 2012); https://doi.org/10.1117/12.2001727

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