Inferior vena cava filter penetration and anchor in the vertebral column.

K. SHAHEEN, A. KASO, A.H. ALRAIYES, B. DINARY, K. RAVAKHAH and M.C. ALRAIES From the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Department of Hospital Medicine, Institute of Medicine, Cleveland Clinic, Cleveland, OH, USA, Department of Internal Medicine, Case Western Reserve University/St. Vincent Charity Medical Center, Cleveland, OH, USA, Department of Pulmonary, Critical Care and Environmental Medicine, Tulane University Health Sciences Center, New Orleans, LA, USA and Department of Internal Medicine, Internal Medicine Residency, Program Director, Case Western Reserve University/St. Vincent Charity Medical Center, Cleveland, Ohio, USA.