RT Journal Article SR Electronic T1 Ring-enhancing cerebral lesions JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 104 OP 110 DO 10.3949/ccjm.84a.16037 VO 84 IS 2 A1 Aram Barbaryan A1 Jignesh Modi A1 Wajih Raqeem A1 Michael I. Choi A1 Alan Frigy A1 Aibek E. Mirrakhimov YR 2017 UL http://www.ccjm.org/content/84/2/104.abstract AB