Fig. 1. Axial (a) and sagittal (c) T2-weighted images of the L3/4 disc level show a hyperintense mass (arrows) with a dark signal rim at the right extraforaminal.

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Fig. 1. Axial (a) and sagittal (c) T2-weighted images of the L3/4 disc level show a hyperintense mass (arrows) with a dark signal rim at the right extraforaminal zone. There is a fibrillary pattern originating from the intervertebral disc to the mass (arrowheads in a). Indentation of the mass (star in c) is observed just below the intervertebral disc level (dotted line). A sagittal T2-weighted image obtained at the medial aspect of the mass (f) shows continuity (arrowhead) between the disc and the mass (arrow) with disruption of the annulus fibrosus. Axial (b) and sagittal (e) T1-weighted images show isointensity of the mass (arrow) and hypointense lesion (arrowheads) corresponding to fibrillary pattern in a. Fat-suppressed sagittal T2-weighted image (d) shows hyperintensity of the mass (arrow). Fig. 1. Axial (a) and sagittal (c) T2-weighted images of the L3/4 disc level show a hyperintense mass (arrows) with a dark signal rim at the right extraforaminal zone. There is a fibrillary pattern originating from the intervertebral disc to the mass (arrowheads in a). Indentation of the mass (star in c) is observed just below the intervertebral disc level (dotted line). A sagittal… Investig Magn Reson Imaging. 2017 Jun;21(2):109-113. https://doi.org/10.13104/imri.2017.21.2.109