RT Journal Article SR Electronic T1 Primary osseous amyloidoma causing spinal cord compression. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1152 OP 1154 VO 16 IS 5 A1 H J Cloft A1 D J Quint A1 J M Markert A1 M D Iannettoni A1 S M Papadopoulos YR 1995 UL http://www.ajnr.org/content/16/5/1152.abstract AB The myelographic, CT, and MR findings of a rare localized primary bone amyloidoma causing upper thoracic spinal cord compression are presented. Imaging showed a large, calcified mass centered in the posteromedial portion of the left second rib that invaded the second thoracic vertebra and the spinal canal.