Fig. 3From: Primitive neuroectodermal tumor of the pericardium: a case report and literature reviewThe imaging characteristics of PNET on PET/MRI at recurence. Positron emission tomography-MRI shows an irregular soft-tissue mass in the pericardial cavity with apparent higher metabolism. a The lesions showed iso-intense signals on T1WI. b The lesions showed hyperintense signals on T2WI. c The lesions showed significantly inhomogeneous hyperintense signals on the DWIBack to article page