Biochemical Tests of Fine-Needle Aspirate as an Adjunct to Cytological Diagnosis for Patients with Thyroid Cancer or Primary Hyperparathyroidism
The measurement of thyroglobulin and calcitonin concentrations in aspiration needle washout solution is a simple and useful method for the diagnosis of papillary thyroid carcinoma and medullary thyroid carcinoma. As the measurement of parathyroid hormone in aspiration needle washout solution is also useful to confirm the parathyroid tumor, this method should be considered, especially when reoperation is scheduled for patients with recurrent or persistent hyperparathyroidism.
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