3D CT-Video Fusion for Image-Guided Bronchoscopy

被引：61

作者：

Higgins, William E. ^{[1
,2
]}

Helferty, James P. ^{[1
,2
,3
]}

Lu, Kongkuo ^{[1
,2
]}

Merritt, Scott A. ^{[1
,2
]}

Rai, Lav ^{[1
,2
]}

Yu, Kun-Chang ^{[1
,2
]}

机构：

[1] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA

[2] Penn State Univ, Dept Comp Sci & Engn, University Pk, PA 16802 USA

[3] Lockheed Martin Corp, King Of Prussia, PA 19405 USA

来源：

COMPUTERIZED MEDICAL IMAGING AND GRAPHICS | 2008年 / 32卷 / 03期

关键词：

virtual endoscopy; virtual bronchoscopy; image-guided surgery; image fusion; lung cancer;

D O I：

10.1016/j.compmedimag.2007.11.001

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Bronchoscopic biopsy of the central-chest lymph nodes is an important step for lung-cancer staging. Before bronchoscopy, the physician first visually assesses a patient's three-dimensional (3D) computed tomography (CT) chest scan to identify suspect lymph-node sites. Next, during bronchoscopy, the physician guides the bronchoscope to each desired lymph-node site. Unfortunately, the physician has no link between the 3D CT image data and the live video stream provided during bronchoscopy. Thus, the physician must essentially perform biopsy blindly, and the skill levels between different physicians differ greatly. We describe an approach that enables synergistic fusion between the 3D CT data and the bronchoscopic video. Both the integrated planning and guidance system and the internal CT-video registration and fusion methods are described. Phantom, animal, and human Studies illustrate the efficacy of the methods. Published by Elsevier Ltd.

引用

页码：159 / 173

页数：15

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