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. 2022 Dec 17;23(1):66–79. doi: 10.2463/mrms.mp.2022-0117

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©2022 Japanese Society for Magnetic Resonance in Medicine

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Fig. 1 — Drawing of possible egress pathways of CSF. (1) Pathway of egress through dural lymphatic vessels, observed using tracer studies, including gadolinium-based contrast agent. (2) Pathway of CSF from the DM to PSD, and then to SSS,⁴¹^,⁴⁴ observed using our tagged CSF method. (3) Another possible pathway where we observe in some healthy individuals. PSD was divided in horizontal or upper PSD and lateral or lower PSD. CSF, cerebrospinal fluid; DM, dura mater; PSD, parasagittal dura; SSS, superior sagittal sinus.