Fig. 1From: Identification of lumbar disc disease hallmarks: a large cross-sectional studyMid-sagittal view on T2-weighted images of the Lumbardiscs. a (Normal), b (Blurred disc as early stage of LDD), c (Black disc), d (Black + bulging disc), e (Decreased height + protrusion disc), f (Pure bulging disc), g (Pure protrusion), h (Extrusion), i (sequestration), j (Schmorl node, SN)Back to article page