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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: A mysterious risk factor for bone cement leakage into the spinal canal through the Batson vein during percutaneous kyphoplasty: a case control study

Fig. 2

a Thoracic data measurement schematic diagram on the axial view showing lines PVWCD and VBSD; PVWCD represents the depth of the concave posterior vertebral wall; VBSD represents the mid-sagittal diameter of the nonfractured vertebral body. b Lines L1 and L2 are shown on the sagittal view; L1 corresponds to the true projection line of the posterior wall of the thoracic vertebral body, while L2 corresponds to the posterior border of the thoracic vertebrae on the lateral C-arm fluoroscopic view

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