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The Ependymal "Dot-Dash" Sign: An MR Imaging Finding of Early Multiple Sclerosis
AJNR 26:2033-2036, Lisanti, C.J.,et al, 2005
See this aricle in Pubmed
Article Abstract
The Dot-Dash sign of ependymal irregularity on thin-section sagittal fluid-attenuated inversion recovery images is an early marker for multiple sclerosis, which is particularly useful in the younger patient. This finding appears to be more sensitive for early lesion detection than any other multiple sclerosis imaging finding yet described in the literature.
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