2014
DOI: 10.3109/02656736.2014.948497
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Development of a computational simulation tool to design a protocol for treating prostate tumours using transurethral laser photothermal therapy

Abstract: Heating time to achieve 100% damage to the tumour was identified to be approximately 630 s when using a laser irradiance of 7 W/cm2 incident on the prostatic urethral surface. Parametric studies were conducted to show how the local blood perfusion rate and urethral surface cooling affect the heating time to achieve the same thermal dosage. The heating time was shorter when cooling at the urethra was not applied and/or with heat-induced vasculature damage. The identified treatment protocols were acceptable sinc… Show more

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Cited by 42 publications
(16 citation statements)
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“…While intracellular temperature is necessary to explain the damage induced in the cell under treatment, the exact knowledge of the thermal gradient created in its surroundings is fundamental to explain the damage appearing in neighboring cells . The magnitude and extension of thermal gradients in the surrounding of cells and other heating objects in aqueous media have been estimated and postulated in the past, but neither has been experimentally measured …”
mentioning
confidence: 99%
“…While intracellular temperature is necessary to explain the damage induced in the cell under treatment, the exact knowledge of the thermal gradient created in its surroundings is fundamental to explain the damage appearing in neighboring cells . The magnitude and extension of thermal gradients in the surrounding of cells and other heating objects in aqueous media have been estimated and postulated in the past, but neither has been experimentally measured …”
mentioning
confidence: 99%
“…While this work focuses on laser ablation in brain, there are diverse organs that receive laser ablation at various levels of clinical maturity, including breast (69), liver (70), pancreas, prostate (71), and spine (72, 73), sometimes with therapeutic enhancing agents, e.g., nanoparticles and dyes (7476). At this time, it is not clear to the authors whether or not the proposed steady state model within a train-and-predict paradigm is widely applicable to other body sites.…”
Section: Discussionmentioning
confidence: 99%
“…μg Au/ml). These ideas have already been applied to thermal therapy of tumors with perfusion using computational approaches (48; 49). Here we expand the applications for nanoparticle heating into tissue cryopreservation, diagnostics, and fish embryo rewarming (15; 16; 27).…”
Section: Nanoparticle Heatingmentioning
confidence: 99%