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Fig. 1 | BMC Musculoskeletal Disorders

Fig. 1

From: Risk factors for recollapse of new vertebral compression fractures after percutaneous kyphoplasty in geriatric patients: establishment of a nomogram

Fig. 1

CT values were measured by PACS. A is a sagittal image of the lumbar spine with three tangents made on the measured vertebrae, corresponding to the three levels of (B), (C) and (D) in the axial position. The largest elliptical region of interest (ROI) containing only bone trabeculae was drawn in the axial position to obtain the average Hu value

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