by George Hanna, Medical University of South Carolina Dorsal dural lymphatic system MR images and metrics from multiple subjects. a Sagittal FLAIR image shows linear signal increase representing the dural-parasagittal lymphatics around the walls of the superior sagittal sinus (arrowheads), straight sinus (arrows) and confluent sinus (double arrow). Coronal (b) and axial (c) FLAIR images...