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tertiary hyperparathyroidism
Etiology:
- prolonged PTH stimulation
Pathology:
- severe parathyroid hyperplasia
Laboratory:
- serum parathyroid hormone: hyperparathyroidism
- serum 25-hydroxyvitamin D
- serum calcium: hypercalcemia
- serum phosphorus
Management:
- serum PTH does not respond to phosphate binders* & calcitriol therapy
- parathyroidectomy often needed [1]
* unclear why phosphate binders might be used
General
hyperparathyroidism
References
- Medical Knowledge Self Assessment Program (MKSAP) 17, 18.
American College of Physicians, Philadelphia 2015, 2018.