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Abstract #2655

Characterization of Myxoid Soft Tissue Tumors as Benign or Malignant Using Texture Analysis of the Apparent Diffusion Coefficient

Hyun Su Kim1, Jae-Hun Kim1, and Young Cheol Yoon1

1Radiology, Samsung medical center, Seoul, Korea, Republic of

Myxoid soft tissue tumors (STTs) are histologically unique group of tumors that have been proven to have significantly higher ADC values than nonmyxoid counterparts. In addition, no significant difference of mean ADC value exists between benign and malignant myxoid STTs. We propose texture of ADC value as a new parameter for differentiating benign and malignant myxoid STTs. The global (mean, standard deviation, skewness and kurtosis), regional (intensity variability and size-zone variability), and local features (energy, entropy, correlation, contrast, homogeneity, variance and maximum probability) were extracted from ADC values of each tumor group for texture analysis and statistical comparisons were performed.

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