Abstract #2876
Evaluation of Diffusion-weighted Imaging Apparent diffusion coefficient histogram for the differential diagnosis between lipoma and liposarcoma
Haiyan Sun 1 , Shaowu Wang 2 , Ziheng Zhang 3 , Weisheng Zhang 1 , Lina Zhang 1 , Minting Zheng 1 , Meiyu Sun 1 , Qingwei Song 1 , and Dianxiu Ning 1
1
Radiology department, The first hospital
affiliated to Dalian Medical University, Dalian,
Liaoning, China,
2
Radiology
department, The second hospital affiliated to Dalian
Medical University, Dalian, Liaoning, China,
3
GE
Healthcare China,Beijing, Beijing, China
Fat cell tumors constitute the largest group of the soft
tissue tumors. lipomas account for at least 30% of
benign soft tissue tumors. Liposarcoma are most common
soft tissue sarcomas. Typical lipomas are easy to
identified by conventional MRI, characterized with high
signals on T1WI and T2WI, signal are reduced in fat
suppression sequence. But atypical lipomas, including
space, are difficult to diagnosis. Diffusion weighted
imaging (DWI) can detect the signal strength according
to the difference of water molecular diffusion
movement.The apparent diffusion coefficient (ADC)
values, as quantitative parameters, can be used in the
evaluation of benign and malignant tumors.
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