Tract-based χ-separation imaging differentiates multiple sclerosis from neuromyelitis optica spectrum disorder by mapping iron and myelin signatures. Wu S, Xie Y, Zhang Y, Yan S, Zhu H, Duan B, Dimov AV, Zhu W, Wang Y BMC Med Imaging. 2026 Jun 27. PMID: 42365292. Abstract CommentRecommendBookmarkWatch