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Abstract #0869

Differential Diagnosis Between Normal Marrow and Metastasis of Pelvic Bones Using Relaxation Maps from Synthetic MRI

Yadong Cui1,2, Yue Lin1,2, Chunmei Li1, Jianxun Qu3, Bing Wu3, and Min Chen1,2

1Department of Radiology, Beijing Hospital, National Center of Gerontology, Beijing, China, 2Graduate School of Peking Union Medical College, Beijing, China, 3GE Healthcare, Beijing, China

Synthetic MRI enables quantification of T1, T2 and proton density (PD) value. The purpose of our study was to assess the feasibility for distinguishing bone metastasis from normal marrow with synthetic MRI. Our study found that T1 value of metastasis was significantly higher than those of red and yellow marrow. The T2 value of metastasis was significantly lower than those of red and yellow marrow. We concluded that synthetic MRI could be used for differentiating bone metastasis from normal marrow.

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