Secondary Hyperparathyroidism

  • Etiology: decreased serum calcium -> increased PTH levels, most common cause is renal disease -> decreased vitamin D conversion to active form -> renal osteodystrophy
  • Imaging: loss of provisional zone of calcification, widened growth plates, frayed metaphyses, coarsening of trabeculae, demineralization, cortical thinning
  • Clinical: secondary hyperparathyroidism

Cases of Secondary Hyperparathyroidism