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  • Title: [Diagnostic problems with recognition of primary hyperparathyroidism].
    Author: Gołkowski F, Jabrocka-Hybel A, Trofimiuk M, Huszno B.
    Journal: Przegl Lek; 2005; 62(7):685-9. PubMed ID: 16463702.
    Abstract:
    The aim of our study was to compare the results of biochemical and imaging investigations with histopathological diagnosis in operated patients with primary hyperparathyroidism. 46 subjects were included into the study, pathologically demonstrated as parathyroid adenoma--23 subjects, parathyroid hypertrophy--16, parathyroid carcinoma--2 and in 5 patients parathyroid gland was not found in resected tissue. The most frequent complications of primary hyperparathyroidism in our group were osteoporosis (87%) and nephrolithiasis (64.1%). 99mTc-MIBI imaging described as a parathyroid adenoma or parathyroid hypertrophy were confirmed pathologically in 52 and 57.1%, respectively. Three typical symptoms of primary hyperparathyroidism assessed in our study (hypercalcemia, hypercalciuria and increased concentration of parathormone) were observed only in about 50% patients with histopathological diagnosis of adenoma and hypertrophy. The lowest average calcium serum level (2.87 mmol/l), urinary calcium level (7.8 mmol/24h) and parathyroid hormone concentration (209.4 pg/ml) were observed in patients with parathyroid adenoma, the highest levels of these parameters were noticed in patients with parathyroid carcinoma (3.41 mmol/l; 14.6 mmol/24h; 687.8 pg/ml, respectively), patients with parathyroid adenoma were characterized by intermediate values (2.98 mmol/l; 9.7 mmol/24h; 285.5 pg/ml, respectively). After parathyroidectomy lowering in average calcium serum level (2.94 vs. 2.16 mmol/l), parathyroid hormone concentration (244.45 vs. 54.15 pg/ml) and increasing in average phosphate serum level (0.81 vs. 1.04 mmol/24h) were observed in our group. Finally, using different biochemical and imaging investigations is necessary for proper recognition of primary hyperparathyroidism due to occurring of oligosymptomatic cases.
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