J.Jpn. Surg. Soc.
ISSN 1880-1129

[Abstract] [Full Text HTML] [Full Text PDF] （in Japanese / 536KB） [Members Only]

J.Jpn. Surg. Soc.. 109(2): 65-70, 2008

Feature topic

NEW DIAGNOSTIC IMAGING FOR NAVIGATION SURGERY

1) First Department of internal Medicine, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
2) Department of Radiology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan
3) Department of Radiology, Faculty of Medicine, University of Yamanashi, Yamanashi, Japan

Takatoshi Kitamura1), Tomoaki Ichikawa2), Yoshihito Aikawa3), Yoshitomo Sano3), Nobuyuki Enomoto1), Tsutomu Araki2)

Progress in diagnostic computed tomography (CT) and magnetic resonance (MR) imaging has been remarkable. Multidetector-row CT provides thin-slice images through the upper abdomen, multiphase abdominal imaging, and 3D images of high quality including CT angiography and multiplanar reformation. The development of MR units provides diffusion-weighted images for detecting abdominal tumors, and the steady-state coherent echo method can be used for imaging of vessels without using contrast media. The 3D images provided in CT and MR imaging facilitate anatomic understanding of tumors and vessels and are useful for preoperative navigation. However, we must be careful when using 3D images for diagnosis, because the subjectivity of the 3D image creator may affect the results. Therefore the original axial images should also be referred to.

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