Libicher M,Appeh A.Berger I,et al.The intravertebral vacuum phenomen as specific sign of osteonecrosis in vertebral compression fractures:results froma radiologicat and histologieal study[J].Eur radiol,2007,17:2248-2252.
[3]
Movrin I,Vengust R,Komadina R.Adjacent vertebral fractures after percutaneous bertebral augmentation of osteoporotic vertebral compression fracture:a comparison of balloon kyphoplasty and vertebroplasty[J].Arch Orthop Trauma Surg,2010,130:1157-1166.
[4]
Tatsumi RI,Ching AC,Byrd GD,et al.Predictors and prevalence of patients undergoing additional kyphoplasty ptocedures agter an initial kyphoplasty ptocedure[J].Spine J,2010,10:979-986.
Linn J,Birkenmaier C,Hoffmann RT,et al.The intravertebral cleft in avute osteoporotic fractures:fluid in magnetic resonance imaging-vacuum in computed tomography[J].Spine,2009,34:E88-E93.
[7]
LinCC,Yen PS,Wen SH.Fluid sign in the treated bodiesafter percutaneous vertebroplasty[J].Neuroradiology,2008,50:955-961.
