Fig. 2
From: Identification of lumbar disc disease hallmarks: a large cross-sectional study
MRI of the Lumbardiscs. K1 (Modic change type I on T1-weighted image), K2 (Modic change type I on T2-weighted image), L1 (Modic change type II on T1-weighted image), L2 (Modic change type II on T2-weighted image), M1 (Modic change type III on T1-weighted image),M2 (Modic change type III on T2-weighted image), N (Spondylosis deformans), O (Pure decreased disc height), P1 (Mid-sagittal viewof High intensity zone, HIZ), P2 (Axial viewof High intensity zone, HIZ)