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Title: A new automatic detection approach for hepatocellular carcinoma using ¹¹C-acetate positron emission tomography
Authors: Chen, S
Wong, LK
Feng, DD
Keywords: Cluster analysis
Hepatocellular Carcinoma (HCC)
Positron Emission Tomography (PET)
Parameter K
Issue Date: 2003
Publisher: IEEE
Source: ICIP 2003 : 2003 International Conference on Image Processing : proceedings : September 14-17, 2003, Barcelona, Spain, v. 1, p. 1065-1068 How to cite?
Abstract: Functional imaging techniques such as Positron Emission Tomography (PET) has the potential for early diagnosis of malignant tumors. However, 40-50% of Hepatocellular Carcinoma (HCC), a common malignancy worldwide, can hardly be detected by the widely used [sup 18]F-2-fluoro-2-deoxy-D-glucose (FDG) PET. ¹¹C-acetate PET has recently been found effective for detecting HCC. To perform quantitative analysis to obtain the diagnosis information, regions of interest (ROls) are needed to be extracted. Manual placement of ROIs is subject to operator's skill and time-consuming. Furthermore, the small sizes of some ROIs make the task even more difficult. In this paper, we propose an approach to segment the dynamic ¹¹C-acetate PET liver images automatically. The curves extracted from some segmented ROIs are then fitted to the presented ¹¹C-acetate liver model. Finally, the parameter K, which has been validated as an indicator for detecting HCC, can be calculated.
ISBN: 0-7803-7750-8
DOI: 10.1109/ICIP.2003.1247150
Rights: © 2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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