Fig. 2From: Development and validation of a nomogram predicting the risk of recurrent lumbar disk herniation within 6 months after percutaneous endoscopic lumbar discectomyThe classification of Modic change. On T1-weighted and T2-weighted images, normal: isointense on T1w and T2w. Type I, hypointense on T1w and hyperintense on T2w. Type II, hyperintense on T1w and hyperintense or isointense on T2w. Type III, hypointense on T1w and T2wBack to article page