Vertebral giant-cell tumor and variants

T mors of the spinal column is confusing because of the inclusion of many giant-cell "variants" without sufficient documentation to identify them accurately.Aneurysmal bone cysts and giant osteoid osteomas (so-called osteoblastomas) are relatively common in the spinal column and frequently have been mis-From the sections of Pathology, Surgical Pathology, and Neurologic Surgery, Mayo Clinic and Mayo Fonndation for Education and Research, Rochester, Minn.The Mayo Foundation is a part of the Graduate School of the University of Minnesota.Figures 3 and 7 are reprinted from Bone Tumors;