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Optical-thermal simulation of tonsillar tissue irradiation

Shah, Rahul K. and Nemati, Babak and Wang, Lihong V. and Shapshay, Stanley M. (2001) Optical-thermal simulation of tonsillar tissue irradiation. Lasers in Surgery and Medicine, 28 (4). pp. 313-319. ISSN 0196-8092.

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Background and Objective: Despite laser applications targetted toward tonsillar tissue, there has been no characterization of underlying optical and thermal events during laser irradiation of tonsillar tissue. Study Design/Materials and Methods: The optical properties of canine and human tonsils were determined at 805 nm (diode laser) and 1,064 nm (Nd:YAG laser). An optical-thermal simulation was developed to predict the temperature rise in irradiated human tonsils. Results: The optical properties of human and canine tonsillar tissue are similar at both wavelengths. The optical-thermal simulation was validated and predicts that at 10 W and 1 minute of irradiation, the heat will be contained within the human tonsil. The diode laser causes more superficial heating than the Nd:YAG laser. Conclusions: The safety of irradiating human tonsils was shown. The diode laser is superior to the Nd:YAG laser because less heat affects collateral structures. The optical-thermal simulation detailed in this study can be used to predict the temperature rise in tissues undergoing irradiation.

Item Type:Article
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Wang, Lihong V.0000-0001-9783-4383
Additional Information:© 2001 Wiley-Liss, Inc. Issue online: 2 May 2001; Version of record online: 2 May 2001; Manuscript Accepted: 14 September 2000.
Subject Keywords:laser-tissue interactions; mucosa intact laser tonsillar ablation; optical properties
Issue or Number:4
Record Number:CaltechAUTHORS:20170203-133552771
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Official Citation:Shah, R. K., Nemati, B., Wang, L. V. and Shapshay, S. M. (2001), Optical-thermal simulation of tonsillar tissue irradiation. Lasers Surg. Med., 28: 313–319. doi:10.1002/lsm.1055
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:74033
Deposited By: Tony Diaz
Deposited On:04 Feb 2017 02:49
Last Modified:03 Oct 2019 16:33

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