AUTOMATIC PROSTATE CANCER SEGMENTATION USING KINETIC ANALYSIS IN DYNAMIC CONTRAST-ENHANCED MRI

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NAVAEI LAVASANI S.; MOSTAAR A.; ASHTIYANI M.

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Journal Paper

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Journal: Journal of Biomedical Physics and Engineering Year:2018 | Volume:8 | Issue:1 Page(s): 107-116

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Title

AUTOMATIC PROSTATE CANCER SEGMENTATION USING KINETIC ANALYSIS IN DYNAMIC CONTRAST-ENHANCED MRI

Author(s)

NAVAEI LAVASANI S. | MOSTAAR A. | ASHTIYANI M. | Issue Writer Certificate

Keywords

DCE-MRI

PROSTATE CANCER

SEMI-QUANTITATIVE FEATURE

WAVELET KINETIC FEATURE

SEGMENTATION

Abstract

Background: Dynamic contrast enhanced magnetic resonance imaging (DCEMRI) provides functional information on the microcirculation in tissues by analyzing the enhancement kinetics which can be used as biomarkers for prostate lesions detection and characterization.Objective: The purpose of this study is to investigate spatiotemporal patterns of tumors by extracting semi-quantitative as well as wavelet-based features, both extracted from pixel-based time-signal intensity curves to segment prostate lesions on prostate DCE-MRI.Methods: Quantitative dynamic contrast-enhanced MRI data were acquired on 22 patients. Optimal features selected by forward selection are used for the SEGMENTATION of prostate lesions by applying fuzzy c-means (FCM) clustering. The images were reviewed by an expert radiologist and manual SEGMENTATION performed as the ground truth.Results: Empirical results indicate that fuzzy c-mean classifier can achieve better results in terms of sensitivity, speciﬁcity when SEMI-QUANTITATIVE FEATUREs were considered versus WAVELET KINETIC FEATUREs for lesion SEGMENTATION (Sensitivity of 87.58% and 75.62%, respectively) and (Specificity of 89.85% and 68.89 %, respectively).Conclusion: The proposed SEGMENTATION algorithm in this work can potentially be implemented for automatic prostate lesion detection in a computer aided diagnosis scheme and combined with morphologic features to increase diagnostic credibility.

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APA: Copy

NAVAEI LAVASANI, S., MOSTAAR, A., & ASHTIYANI, M.. (2018). AUTOMATIC PROSTATE CANCER SEGMENTATION USING KINETIC ANALYSIS IN DYNAMIC CONTRAST-ENHANCED MRI. JOURNAL OF BIOMEDICAL PHYSICS AND ENGINEERING, 8(1), 107-116. SID. https://sid.ir/paper/334613/en

Vancouver: Copy

NAVAEI LAVASANI S., MOSTAAR A., ASHTIYANI M.. AUTOMATIC PROSTATE CANCER SEGMENTATION USING KINETIC ANALYSIS IN DYNAMIC CONTRAST-ENHANCED MRI. JOURNAL OF BIOMEDICAL PHYSICS AND ENGINEERING[Internet]. 2018;8(1):107-116. Available from: https://sid.ir/paper/334613/en

IEEE: Copy

S. NAVAEI LAVASANI, A. MOSTAAR, and M. ASHTIYANI, “AUTOMATIC PROSTATE CANCER SEGMENTATION USING KINETIC ANALYSIS IN DYNAMIC CONTRAST-ENHANCED MRI,” JOURNAL OF BIOMEDICAL PHYSICS AND ENGINEERING, vol. 8, no. 1, pp. 107–116, 2018, [Online]. Available: https://sid.ir/paper/334613/en

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