secondary tertiary grainger

  • Brown Tumor as a Result of Hyperparathyroidism in an End ...

    There is renal loss of calcium, and with normal parathyroid glands, elevation of PTH occurs in response to the hypocalcemia. Tertiary HPT appears in patients with longstanding secondary disease, as hyperplasia of parathyroid glands and loss of response to the level of calcium in serum [2].

  • Primary, Secondary, and Tertiary Sources | University of ...