Metastatic disease can appear shortly after the initial diagnosis and operation or for up to 20 years later. Because of the difficulty in making a histologic diagnosis, the appearance of recurrent or metastatic disease in a patient previously operated on for hypercalcemia can be the first indicator that the tumor was malignant. Approximately 50% of the patients who experience recurrence will have distant metastases. The most common site of distant metastasis is the lung.[4,5] Some patients experience years of survival even after the diagnosis of distant metastases. Aggressive surgical resection has been associated with a 30% long-term survival in retrospective series.[3,6] (Refer to the PDQ summary on Hypercalcemia for more information.)
Many of the medical and scientific terms used in this summary are found in the NCI Dictionary of Genetics Terms. When a linked term is clicked, the definition will appear in a separate window.
Many of the genes described in this summary are found in the Online Mendelian Inheritance in Man (OMIM) database. When OMIM appears after a gene name or the name of a condition, click on OMIM for a link to more information.
There are several hereditary syndromes that involve endocrine or neuroendocrine glands,...
Chemotherapy. Anecdotal reports show that short-term remissions with chemotherapy are possible.[5,10]
Current Clinical Trials
Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with metastatic parathyroid cancer. The list of clinical trials can be further narrowed by location, drug, intervention, and other criteria.
General information about clinical trials is also available from the NCI Web site.
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Busaidy NL, Jimenez C, Habra MA, et al.: Parathyroid carcinoma: a 22-year experience. Head Neck 26 (8): 716-26, 2004.
Sandelin K, Tullgren O, Farnebo LO: Clinical course of metastatic parathyroid cancer. World J Surg 18 (4): 594-8; discussion 599, 1994 Jul-Aug.
Favia G, Lumachi F, Polistina F, et al.: Parathyroid carcinoma: sixteen new cases and suggestions for correct management. World J Surg 22 (12): 1225-30, 1998.
Obara T, Okamoto T, Ito Y, et al.: Surgical and medical management of patients with pulmonary metastasis from parathyroid carcinoma. Surgery 114 (6): 1040-8; discussion 1048-9, 1993.
Vetto JT, Brennan MF, Woodruf J, et al.: Parathyroid carcinoma: diagnosis and clinical history. Surgery 114 (5): 882-92, 1993.
Sandelin K: Parathyroid carcinoma. Cancer Treat Res 89: 183-92, 1997.
Iacobone M, Lumachi F, Favia G: Up-to-date on parathyroid carcinoma: analysis of an experience of 19 cases. J Surg Oncol 88 (4): 223-8, 2004.
Rahbari R, Kebebew E: Parathyroid tumors. In: DeVita VT Jr, Lawrence TS, Rosenberg SA: Cancer: Principles and Practice of Oncology. 9th ed. Philadelphia, Pa: Lippincott Williams & Wilkins, 2011, pp 1473-9.
Clayman GL, Gonzalez HE, El-Naggar A, et al.: Parathyroid carcinoma: evaluation and interdisciplinary management. Cancer 100 (5): 900-5, 2004.
Peacock M, Bilezikian JP, Klassen PS, et al.: Cinacalcet hydrochloride maintains long-term normocalcemia in patients with primary hyperparathyroidism. J Clin Endocrinol Metab 90 (1): 135-41, 2005.
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September 04, 2014
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