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KMID : 0357520170400020237
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Journal of Radiological Science and Technology
2017 Volume.40 No. 2 p.237 ~ p.243
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Retrospective Analysis of Cytopathology using Gray Level Co-occurrence Matrix Algorithm for Thyroid Malignant Nodules in the Ultrasound Imaging
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Kim Young-Ju
Lee Jin-Soo
Kang Se-Sik
Kim Chang-Soo
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Abstract
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This study evaluated the applicability of computer-aided diagnosis by retrospective analysis of GLCM algorithm based on cytopathological diagnosis of normal and malignant nodules in thyroid ultrasound images. In the experiment, the recognition rate and ROC curve of thyroid malignant nodule were analyzed using 6 parameters of GLCM algorithm. Experimental results showed 97% energy, 93% contrast, 92% correlation, 92% homogeneity, 100% entropy and 100% variance. Statistical analysis showed that the area under the curve of each parameter was more than 0.947 (p = 0.001) in the ROC curve, which was significant in the recognition of thyroid malignant nodules. In the GLCM, the cut-off value of each parameter can be used to predict the disease through analysis of quantitative computer-aided diagnosis.
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KEYWORD
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Thyroid Ultrasound image , Thyroid Malignant nodule , GLCM Algorithm , ROC curve
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