A 45-year-old woman comes to the physician because of a 3-month history of bone, joint, and muscle pain. She says, "I am always tired, and my mood fluctuates between anxiety and depression." She has a history of renal calculi. Physical examination shows no abnormalities. Serum studies show a calcium concentration of 125 mg/dL and an intact parathyroid hormone concentration of 70 pg/mL (N=10–65). During an exploratory operation of the neck for a parathyroid adenoma, both superior parathyroid glands are easily located on the posterior surface of the thyroid gland and appear normal. Neither inferior parathyroid gland can be found. The surgeon should look for the inferior parathyroid glands in which of the following locations? A) At the base of the tongue B) In the neck above the hyoid bone C) in the neck lateral to the carotid sheath D) Within the thymus E) There are no inferior parathyroid glands in this patient
A 45-year-old woman comes to the physician because of a 3-month history of bone, joint, and muscle pain. She says, "I am always tired, and my mood fluctuates between anxiety and depression." She has a history of renal calculi. Physical examination shows no abnormalities. Serum studies show a calcium concentration of 125 mg/dL and an intact parathyroid hormone concentration of 70 pg/mL (N=10–65). During an exploratory operation of the neck for a parathyroid adenoma, both superior parathyroid glands are easily located on the posterior surface of the thyroid gland and appear normal. Neither inferior parathyroid gland can be found. The surgeon should look for the inferior parathyroid glands in which of the following locations?
- A) At the base of the tongue
- B) In the neck above the hyoid bone
- C) in the neck lateral to the carotid sheath
- D) Within the thymus
- E) There are no inferior parathyroid glands in this patient
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