Differentiation of normal and cancerous lung tissues by multiphoton imaging

被引：49
作者：
Wang, Chun-Chin [2 ]
Li, Feng-Chieh [3 ]
Wu, Ruei-Jhih [3 ]
Hovhannisyan, Vladimir A. [3 ]
Lin, Wei-Chou [4 ]
Lin, Sung-Jan [2 ,5 ]
So, Peter T. C. [1 ]
Dong, Chen-Yuan [3 ]
机构：
[1] MIT, Dept Mech Engn, Cambridge, MA 02139 USA
[2] Natl Taiwan Univ, Inst Biomed Engn, Taipei 100, Taiwan
[3] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan
[4] Natl Taiwan Univ Hosp, Dept Pathol, Taipei 10617, Taiwan
[5] Natl Taiwan Univ Hosp, Dept Dermatol, Taipei 100, Taiwan
来源：
JOURNAL OF BIOMEDICAL OPTICS | 2009年 / 14卷 / 04期
关键词：
multiphoton microscopy; autofluorescence; second-harmonic generation (SHG); lung adenocarcinoma (LAC); squamous cell carcinoma (SCC); FLUORESCENCE; MODULATION; COLLAGEN; STROMA;
D O I：
10.1117/1.3210768
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
We utilize multiphoton microscopy for the label-free diagnosis of noncancerous, lung adenocarcinoma (LAC), and lung squamous cell carcinoma (SCC) tissues from humans. Our results show that the combination of second-harmonic generation (SHG) and multiphoton excited autofluorescence (MAF) signals may be used to acquire morphological and quantitative information in discriminating cancerous from noncancerous lung tissues. Specifically, noncancerous lung tissues are largely fibrotic in structure, while cancerous specimens are composed primarily of tumor masses. Quantitative ratiometric analysis using MAF to SHG index (MAFSI) shows that the average MAFSI for noncancerous and LAC lung tissue pairs are 0.55 +/- 0.23 and 0.87 +/- 0.15, respectively. In comparison, the MAFSIs for the noncancerous and SCC tissue pairs are 0.50 +/- 0.12 and 0.72 +/- 0.13, respectively. Our study shows that nonlinear optical microscopy can assist in differentiating and diagnosing pulmonary cancer from noncancerous tissues. (C) 2009 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3210768]
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页数：4
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