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  • Title: Fine-needle biopsy of parathyroid adenomas.
    Author: Kahaly G, Krause U, Dienes HP, Schrezenmeir J, Beyer J.
    Journal: Klin Wochenschr; 1986 Nov 17; 64(22):1176-82. PubMed ID: 3543472.
    Abstract:
    High-resolution real-time sonography was performed in 15 cases of clinically and chemically suspected primary hyperparathyroidism and in 20 patients with different thyroid nodules. The suspected enlarged parathyroid glands and the thyroid nodules were percutaneously punctured under sonographic control. Concentrations of parathyroid hormone, human thyroglobulin, and human calcitonin were measured in the aspirate, and immunocytology was performed. The mean concentration of the aspirated parathyroid hormone in the parathyroid glands was 4,013.6 pmol/l +/- 4,519 (SD) as compared with 14.9 pmol/l +/- 8.7 in the thyroid nodules. Thyroglobulin was present in the aspirated fluid of parathyroid adenomas located behind the thyroid (mean +/- SD, 398.1 ng/ml +/- 317). In comparison, the aspirated thyroglobulin from the thyroid nodules averaged 9,689.7 ng/ml +/- 3,732. Immunocytology for parathyroid hormone was positive in 14 of the 15 biopsied specimens. Of 15 patients who were scanned for suspected hyperparathyroidism, six had concomitant thyroid nodules. It is concluded that the measurement of high concentrations of parathyroid hormone in the aspirate from a cervical mass, with sonographic control of needle position and/or positive immunocytology provides absolute localization of parathyroid tissue.
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