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Abstract #1373

Small-sized soft tissue tumor with deep location: Can MRI be used to differentiate benign from malignancy?

Ji Hyun Lee1, Hyun Su Kim1, Young Cheol Yoon1, Wook Jin2, and Jang Gyu Cha3

1Radiology, Samsung Medical Center, SEOUL, Korea, Republic of, 2Radiology, Kyung Hee University Hospital at Gangdong, Seoul, Korea, Republic of, 3Radiology, Soonchunhyang University Bucheon Hospital, Bucheon, Korea, Republic of

Small deep soft tissue tumors often results in dilemmatic clinical situation and raise clinical concern that deep location is one of risk factor for malignancy. We conducted this study hypothesizing that DWI with ADC value as well as conventional MRI parameters could help differentiation of benignity and malignancy for small deep soft tissue tumors; univariable and multivariable analyses were performed for all tumors and non-myxoid non-hemosiderin tumors. Although only small tumors were enrolled, lesion size was still important for differentiation of benign and malignant soft tissue tumors, being the most significant parameter in non-myxoid non-hemosiderin group.

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