Diagnostic, Therapeutic and Healthcare Management Protocol ...

If TSH is abnormal, the laboratory will perform a free T3 and free T4 [] ... [4,5], it is advisable to routinely determine calcitonin levels prior to thyroidectomy. In the presence of altered baseline calcitonin levels, it is appropriate to perform a calcium gluconate stimulation test to differentiate between C-cell hyperplasia and medullary ... ................
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