Definition
Photothermal therapy (PTT) is a method of heat ablation in which light energy is utilized to induce localized heat within the tissue and destroy the pathologic cells. Often in practice and in order to not harm surrounding healthy tissues, the targeted diseased cells are labeled with light-absorbing nano-sized particles, which significantly increases the light energy absorption and also allows for utilizing laser lights in near-infrared (NIR) wavelengths to achieve larger penetration depths. With the aid of these nano-sized agents (i.e., nanoparticles), PTT is capable of destroying pathologic cells selectively, at larger penetration depth and with no damage to surrounding non-labeled healthy tissue.
Characteristics
Hyperthermia is a noninvasive approach for cancertherapy, whereby biological tissues are exposed to higher than normal temperatures to promote destruction of abnormal cells. PTT is...
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Gellci, K., Mehrmohammadi, M. (2014). Photothermal Therapy. In: Schwab, M. (eds) Encyclopedia of Cancer. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27841-9_7097-1
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DOI: https://doi.org/10.1007/978-3-642-27841-9_7097-1
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