Practice questions answers Pathology of parathyroid gland/MEN
Practice questions answers Pathology of parathyroid gland/MEN © Jun Wang, MD, PhD 1. C. The causes of hypercalcemia are variable. The first laboratory test for patient with hypercalcemia, as recommended by American Academy of Family Physicians , is intact parathyroid hormone (PTH). Bone marrow biopsy and immunofixation are for multiple myeloma , plasmacytoma and other lymphoid neoplasms . These disorders commonly have abnormal urine immunoglobulins. MRI breast examination may be used to detect recurrent breast cancers . Parathyroid hormone related peptide may be produce by solid tumors, such as squamous cell carcinoma of lung . 2. B. Elevated PTH in a patient with hypercalcemia is either primary or tertiary hyperparathyroidism . However, tertiary hyperparathyroidism is defined as autonomous hypersecretion of parathyroid hormone in a patient with long standing secondary hyperparathyroidism . This patient does not have any secondary hyperparathyroidism associate...