Rugger jersey spine sign

The bands of increased opacity along the superior and inferior aspect of the vertebral bodies in a 54 y/o male with the osteosclerosis associated with secondary hyperparathyroidism of chronic renal failure and called : rugger jersey spine.
The alternating parallel sclerotic and lucent bands are analogous to the stripes on an English rugby sweater, from which arises the name “rugger jersey spine”.