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Abstract #1772

Amide Proton Transfer Imaging in Hemorrhagic Brain Lesions at 3T

Sung Soo Ahn 1 , Yoon Seong Choi 1 , Ha-Kyu Jeong 2 , Jinyuan Zhou 3 , Yansong Zhao 4 , and Seung-Koo Lee 1

1 Radiology, Yonsei University College of Medicine, Seoul, Korea, 2 Philips Korea, Seoul, Korea, 3 Radiology, Johns Hopkins University, Baltimore, Maryland, United States, 4 Philips Healthcare, Cleveland, Ohio, United States

Amide proton transfer imaging was performed in several hemorrhagic brain lesions including glioblastoma, metastasis, and cavernous malformation. We found that magnetic transfer ratio asymmetry in hemorrhage was higher than those in enhancing portion, perilesional T2 hyperintensity, and normal appearing white matter in all patients regardless of underlying pathology. We should be aware of high magnetic tranfer ratio asymmetry in hemorrhage for interpreting brain lesions with hemorrhage.

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