Department of General Surgery, No. 324 Hospital of PLA, and Department of Anatomy, College of Medicine, Third Military Medical University, Chongqing 400020, China. cgang997@163. com
Chin Med J (Engl). 2010 Jan 20;123(2):146-50.
Comparing with two dimensional (2D) imaging, both in diagnosis and treatment, three dimensional (3D) imaging has many advantages in clinical medicine. 3D reconstruction makes the target easier to identify and reveals the volume and shape of the organ much better than 2D imaging. A 3D digitized visible model of the liver was built to provide anatomical structure for planing of hepatic operation and for realizing accurate simulation of the liver on the computer.
Transverse sections of abdomen were chosen from the Chinese Visible Human dataset. And Amira software was selected to segment and reconstruct the structures of the liver. The liver was reconstructed in three-dimensions with both surface and volume rendering reconstruction.
Accurately segmented images of the main structures of the liver were completed. The reconstructed structures can be displayed singly, in small groups or as a whole and can be continuously rotated in 3D space at different velocities.
The reconstructed liver is realistic, which demonstrates the natural shape and exact position of liver structures. It provides an accurate model for the automated segmentation algorithmic study and a digitized anatomical mode of viewing the liver.
与二维（2D）成像相比，三维（3D）成像在诊断和治疗中都有许多优势。3D 重建使目标更容易识别，并比 2D 成像更好地显示器官的体积和形状。构建了一个 3D 数字化肝脏可视模型，为肝手术规划提供解剖结构，并实现了肝脏在计算机上的精确模拟。
从中国可视人数据集选择腹部的横切面。选择 Amira 软件对肝脏的结构进行分割和重建。使用表面和体积渲染重建对肝脏进行三维重建。
完成了对肝脏主要结构的精确分割图像。重建的结构可以单独、小群组或整体显示，并可以在 3D 空间中以不同的速度连续旋转。
重建的肝脏是逼真的，它展示了肝脏结构的自然形状和精确位置。它为自动分割算法研究提供了一个精确的模型，以及一个用于观察肝脏的数字化解剖模型。
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