Reduced Paramagnetic Rim Visibility Signals Lesion Aging and Tissue Degeneration in Progressive Multiple Sclerosis: Impact on Clinical Trials. Sacco S, Zhao H, Cheng S, Akula A V, Luskin E, Zhang J, Manouvakhova O, Cooper TP, Stern W, Block VJ, et al. Neurol Neuroimmunol Neuroinflamm. 2026 Nov; 13(6):e200655. PMID: 42766812. Abstract CommentRecommendBookmarkWatch