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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

From: Endplate and intervertebral disc injuries in acute and single level osteoporotic vertebral fractures: is there any association with the process of bone healing?

Fig. 3

Signal alternation pattern of intervertebral disc (IVD) lesions. Sagittal MR T2 short-TI inversion recovery (STIR) images were divided into four types based on the signal alternation pattern (grade 0 to 3) as previously reported with modifications [21]. Grade 0: intact (no injury), grade 1: diffuse hyper-intense in T2 STIR images; grade 2: peri focal hyper-intense in T2 STIR images; grade 3: infraction of disc tissue into the endplate or the fractured vertebral body

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