renal osteodystrophy CHORUS

Description: types:
1. glomerular form (chronic glomerulonephritis)
2. tubular form (congenital renal osteodystrophy)
* osteomalacia (adults): acquired insensitivity to vitamin D
o diffuse osteopenia
o milkman fracture, Looser zones
o rickets (children)
* osteitis fibrosa
* osteosclerosis: one of the most common radiological manifestations
o diffuse chalky density
o thoracolumbar spine in 60%: "rugger jersey spine"
o also in pelvis, ribs, long bones, facial bones, base of skull (kids)
* soft tissue calcifications
o arteries, periarticular, cutaneous/subcutaneous viscera
o fluffy amorphous "tumoral" calcification