نتایج جستجو برای: parathyroid carcinoma
تعداد نتایج: 409366 فیلتر نتایج به سال:
BACKGROUND Hyperparathyroidism is a common endocrinopathy characterised by the formation of parathyroid tumours. In this study, we determine the role of the recently identified gene, HRPT2, in parathyroid tumorigenesis. METHODS Mutation analysis of HRPT2 was undertaken in 60 parathyroid tumours: five HPT-JT, three FIHP, three MEN 1, one MEN 2A, 25 sporadic adenomas, 17 hyperplastic glands, tw...
We report a case of severe hyperparathyroidism complicated by osteitis fibrosa cystica in an 83-year-old man post-myocardial infarction. The lesions were evident on magnetic resonance imaging only. A diagnosis of parathyroid carcinoma was considered due to clinical appearance of the parathyroid intraoperatively and the presence of an invasive T3 lesion mimicking metastatic disease. Differentiat...
PURPOSE Because parathyroid carcinoma is rare, clear consensus is not available regarding the optimal management of patients with this condition. Treatment strategies generally derive from clinical and anecdotal experiences. We report our experience with this entity. METHODS We included all patients with parathyroid carcinoma seen at The University of Texas M. D. Anderson Cancer Center since ...
OBJECTIVE Angiogenic growth factors bFGF and VEGF ensure vascularisation of the growing tumor tissue. We decided to investigate their peripheral serum concentrations in patients with thyroid gland adenoma and papillary carcinoma and with parathyroid adenoma. We wanted to find the possible serum marker of these tumor diseases. METHODS 28 patients with thyroid gland tumor (14x adenoma, 14x papi...
BACKGROUND A new parathyroid hormone (PTH) species, the N-terminal PTH form (N-PTH), is distinct from intact human PTH of 84 amino acid residues [hPTH(1-84)] and is recognized in a 3rd-generation assay of "whole" PTH (wPTH; the 1-2 epitope) but not in a 2nd-generation assay of "total" PTH (tPTH; the 12-18 epitope). N-PTH usually represents <15% of wPTH but can be overproduced in severe primary ...
Primary hyperparathyroidism (PHPT) is the most common cause of hypercalcemia. Majority of cases are related to single gland adenoma. Parathyroid carcinoma, atypical parathyroid adenoma, parathyroid cysts and parathyromatosis are rare conditions that account for approximately 2% of all patients with PHPT. We report an unusual case of severe hypercalcemia due to cystic atypical parathyroid adenom...
Parathyroid carcinoma is rare and the associated hypercalcaemia is often resistant to all treatment. A case is described in which prolonged control of hypercalcaemia has been achieved by infrequent infusions of pamidronate despite continuing hypersecretion of parathyroid hormone.
A 68-year-old woman with a history of parathyroidectomy of the left upper and right lower parathyroid gland for parathyroid carcinoma was admitted to our hospital for evaluation of fatigue and anorexia that lasted for 1 month. Blood chemistry was notable for hypercalcemia (14.1 mg/dL) and elevated parathyroid hormone (PTH) 1,652 pg/mL (0.35 to 5.50). Serum PTH-related peptide (PTHrP) level was ...
UNLABELLED Parathyroid carcinoma is a rare disease leading to severe hypercalcemia due to hyperparathyroidism. Surgery is the primary treatment option. A more progressive form of the disease is characterized by parathyrotoxicosis, and subsequent hypercalcemia is the most common cause of death. We report a case presenting with severe hypercalcemia due to parathyrotoxicosis from parathyroid carci...
Parathyroid carcinoma is a rare etiology of primary hyperparathyroidism responsible for 0.4 to 5.2% of all primary hyperparathyroidism cases. The overt hyperparathyroid bone or renal disease with palpable neck mass, as well as severe hypercalcemia with extremely high parathyroid hormone, are clinical parameters raising the suspicionforparathyroid carcinoma. However a definite diagnosis can be c...
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