"Paget disease of bone can result in squaring of the vertebral bodies although it usually involves individual vertebrae and is associated with other signs typical of the condition, e.g. bony expansion, trabeculation and cortical thickening."
Expected headings
"Ankylosing spondylitis"
"Paget disease of bone"
"Inflammatory arthritides"
"Down syndrome"
"Congenital"
"There are many inflammatory arthritides, but while vertebral body squaring can occur it is an uncommon manifestation of these conditions. Examples include:"