良性前列腺增生组织对钛宝石激光的吸收和散射特性

doi:10.3964/j.issn.1000-0593.2008.01.005

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Abstract The optical properties and their differences of human benign prostatic hyperplasia (BPH) tissues removed using transurethral plasma kinetic resection of the prostate (PKRP) and transurethral vaporization of the prostate (TUVP) at 640, 660, 680, 700, 720, 740, 760, 780, 800, 820, 840, 860 and 880 nm of Ti: Sapphire laser were studied in vitro. The measurements were performed using a double-integrating-sphere setup, and the absorption and scattering properties were assessed using the inverse adding-doubling method. The results of measurement showed that the absorption coefficients and reduced scattering coefficients of BPH tissues removed using PKRP and TURP obviously decreased with the increase in the wavelength for thirteen different laser wavelengths. The absorption coefficient and reduced scattering coefficient of BPH tissues removed using PKRP at a certain laser wavelength were obviously smaller than that of BPH tissues removed using TUVP at the same laser wavelength. The maximum absorption coefficient and maximum reduced scattering coefficient of BPH tissues removed using PKRP and TURP were respectively (0.885±0.022) and (0.955±0.024)mm^-1,and (1.564±0.039) and (1.658±0.042)mm^-1 at 640 nm, their differences were respectively 7.91% and 6.01%, and the minimum absorption coefficient and minimum reduced scattering coefficient of BPH tissues removed using PKRP and TURP were respectively (0.443±0.011) and (0.455±0.011)mm^-1,and (1.117±0.028) and (1.197±0.030)mm^-1 at 640 nm, their differences were respectively 2.71% and 9.13%. The maximum difference in the absorption coefficients of BPH tissues removed using PKRP and TURP is 8.95% at 660 nm, and the minimum difference is 1.75% at 860 nm. The maximum difference in the reduced scattering coefficients of BPH tissues removed using PKRP and TURP is 9.13% at 800 nm, and the minimum difference is 6.01% at 640 nm.

Key words：Human benign prostatic hyperplasia tissues;Absorption and scattering properties;Ti: Sapphire laser;Integrating-sphere

Received: 2006-08-23 Accepted: 2006-11-23

ZTFLH:

R318.5

Corresponding Authors: XING Da E-mail: xingda@scnu.edu.cn

Cite this article:

WEI Hua-jiang,XING Da,HE Bo-hua, et al. Absorption and Scattering Characteristics of Human Benign Prostatic Hyperplasia Tissue with Ti:Sapphire Laser Irradiation in Vitro[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 28(01): 10-13.

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https://www.gpxygpfx.com/EN/10.3964/j.issn.1000-0593.2008.01.005 OR https://www.gpxygpfx.com/EN/Y2008/V28/I01/10

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