RT Journal Article SR Electronic T1 MRI Shrimp Sign in Sarcoidosis-Associated Cerebellar Progressive Multifocal Leukoencephalopathy JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A7407 A1 Anand, P. A1 Vincent Lau, K.H. A1 Martinez-Ramirez, S. YR 2022 UL http://www.ajnr.org/content/early/2022/01/20/ajnr.A7407.abstract AB