Three-dimensional photoacoustic and ultrasonic endoscopic imaging of two rabbit esophagi

被引：1
|
作者：
Yang, Joon-Mo [1 ]
Favazza, Christopher [1 ]
Yao, Junjie [1 ]
Chen, Ruimin [2 ]
Zhou, Qifa [2 ]
Shung, K. Kirk [2 ]
Wang, Lihong V. [1 ]
机构：
[1] Washington Univ, Dept Biomed Engn, Opt Imaging Lab, St Louis, MO 63130 USA
[2] Univ So Calif, Dept Biomed Engn, Ultrason Transducer Resource Ctr, Los Angeles, CA 90089 USA
来源：
PHOTONS PLUS ULTRASOUND: IMAGING AND SENSING 2015 | 2015年 / 9323卷
关键词：
Photoacoustic endoscopy; endoscopic ultrasound; upper gastrointestinal tract; three-dimensional imaging; rabbit esophagus; rabbit mediastinum; vasculature; Barrett's esophagus; MINIMALLY INVASIVE ESOPHAGECTOMY; OPTICAL COHERENCE TOMOGRAPHY; BARRETTS-ESOPHAGUS; MUCOSAL MORPHOLOGY; MICROSCOPY; DYSPLASIA; PATTERNS; RISK;
D O I：
10.1117/12.2080294
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The addition of photoacoustic endoscopy to conventional endoscopic ultrasound offers imaging capabilities that may improve diagnosis and clinical care of gastrointestinal tract diseases. In this study, using a 3.8-mm diameter dual-mode photoacoustic and ultrasonic endoscopic probe, we investigated photoacoustic and ultrasonic image features of rabbit esophagi. Specifically, we performed ex vivo imaging of intact rabbit esophagi and correlated the acquired images with histology. Without motion artifact-based limitations, we were able to utilize the full resolving power of the endoscopic device and acquire the first three-dimensional vasculature map of the esophagus and mediastinum, along with coregistered tissue density information. Here, we present the experimental results and discuss potential clinical applications of the technique.
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页数：8
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