Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery · 2016
Parathyroid adenoma: a comprehensive biochemical and histological correlative study.
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Stern S, Mizrachi A, Strenov Y, Knaanie A, Benbassat C, Shpitzer T, Bachar G
Аннотация
OBJECTIVE: To investigate the controversial relationship between preoperative calcium and parathyroid hormone levels and the dimensions and histological features of parathyroid adenoma in patients with primary hyperparathyroidism.
STUDY DESIGN: Historical cohort.
SETTING: Tertiary medical centre.
SUBJECTS AND METHODS: Clinical and tumour-related data were collected from the medical files of all patients who underwent parathyroidectomy for primary hyperparathyroidism in 1996-2012. Preoperative blood parathyroid hormone and calcium levels and urine calcium levels were correlated with the size, weight and volume of the parathyroid adenoma. Pathohistological features were determined in a representative sample of archived paraffin-embedded sections and analysed by calcium or parathyroid hormone level (high/low) and adenoma weight (high/low).
RESULTS: A total of 378 patients were included. There was a statistically significant direct correlation of preoperative calcium and parathyroid hormone levels with tumour dimensions and of tumour weight and chief-cell percentage. At a preoperative calcium level >11.5 mg/dL and parathyroid hormone (PTH) level >165 mg/dL, we predict that the adenoma would measure more than 2.7 g, 2.18 cm and volume of 3.59 cm3 .
CONCLUSIONS: In patients with primary hyperparathyroidism, preoperative calcium and PTH levels may be predictive of parathyroid adenoma dimensions.
STUDY DESIGN: Historical cohort.
SETTING: Tertiary medical centre.
SUBJECTS AND METHODS: Clinical and tumour-related data were collected from the medical files of all patients who underwent parathyroidectomy for primary hyperparathyroidism in 1996-2012. Preoperative blood parathyroid hormone and calcium levels and urine calcium levels were correlated with the size, weight and volume of the parathyroid adenoma. Pathohistological features were determined in a representative sample of archived paraffin-embedded sections and analysed by calcium or parathyroid hormone level (high/low) and adenoma weight (high/low).
RESULTS: A total of 378 patients were included. There was a statistically significant direct correlation of preoperative calcium and parathyroid hormone levels with tumour dimensions and of tumour weight and chief-cell percentage. At a preoperative calcium level >11.5 mg/dL and parathyroid hormone (PTH) level >165 mg/dL, we predict that the adenoma would measure more than 2.7 g, 2.18 cm and volume of 3.59 cm3 .
CONCLUSIONS: In patients with primary hyperparathyroidism, preoperative calcium and PTH levels may be predictive of parathyroid adenoma dimensions.