A 45 year old female develops swelling in her neck and diarrhea. X-ray shows dense calcification in her thyroid. A nuclear scan of her thyroid detects a cold nodule that does not concentrate radio-iodine. Her doctor does serum assays for several hormones. After the hormone is assayed, he tells her general practitioner that the patient probably has has medullary carcinoma of the thyroid since one of the hormones is markedly raised. What hormone did the doctor most likely assay?
a) thyroid stimulating hormone
b) thyroid hormone
c) calcitonin
d) Antidiuretic hormone
e) parathyroid hormone
Answer
Category:
Endocrinology MCQs
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