نتایج جستجو برای: parathyroid hyperplasia
تعداد نتایج: 49719 فیلتر نتایج به سال:
The binding sites of lectins in parathyroid glands were determined by an immunohistochemical method in normal parathyroid gland, hyperplasia, adenoma and carcinoma, the used lectins were commercially available Glycine max (SBA), Concanavalin enciformis (Con A), Triticum vulgaris (WGA), Richinus communis (RCA), Banderiaea simplicifolia II (BSA II) and Arachis hypogaea (PNA). For normal parathyro...
Vitamin D or vitamin D analogues pulse therapy is seldom effective in patients with at least one parathyroid gland with nodular hyperplasia, and surgical parathyroidectomy or parathyroid intervention is indicated. In parathyroid interventions, especially in selective percutaneous ethanol injection therapy (PEIT), the enlarged parathyroid gland(s) with nodular hyperplasia is selectively destroye...
Introduction: Hyperparathyroidism is presented with increased parathyroid hormone (PTH) secretion due to hyperfunctioning of one or more of the four parathyroid glands. Primary hyperparathyroidism (p-HPT) can be due to parathyroid adenoma, hyperplasia or carcinoma of the parathyroid gland. Secondary hyperparathyroidism (s-HPT) is usually a response to hypocalcaemia and consecut...
The factors involved in abnormal parathyroid cell secretory function and growth in patients with primary (I degree) and secondary (II degree) hyperparathyroidism are still incompletely understood. We compared the expression of the calcium-sensing receptor (CaR) at the gene message and the protein level in parathyroid tissue obtained from patients with I degree non-uremic or II degree uremic hyp...
Parathyroid specimens removed from patients with clinical hyperparathyroidism were cultured in a two-layer soft-agar system. Four patients had parathyroid hyperplasia and one had a parathyroid adenoma. Colonies grew from single-cell suspensions of each specimen. Plating efficiency ranged from 0.001 to 0.05%. No colonies grew from normal bovine parathyroid specimens. Parathormone was detected in...
The parathyroid hyperplasia secondary to kidney disease is associated with enhanced expression of the growth promoter transforming growth factor-alpha (TGF-alpha). TGF-alpha stimulates growth through activation of its receptor, the epidermal growth factor receptor (EGFR), normally expressed in the parathyroid glands. Because enhanced coexpression of TGF-alpha and EGFR causes aggressive cellular...
UNLABELLED INTRODUCTION In the treatment of secondary hyperparathyroidism of chronic kidney disease, calcimimetics - allosteric modulators of the calcium-sensing receptor - inhibit glandular hyperplasia and significantly reduce circulating parathyroid hormone levels. They have a major impact on the management of secondary hyperparathyroidism. CASE PRESENTATION We present the clinical case ...
Hyperparathyroidism represents as a novel feature of primary aldosteronism (PA). Its occurrence in patients with the surgically correctable aldosterone-producing adenoma (APA) and not in those with bilateral adrenal hyperplasia suggested that the measurement of parathyroid hormone could help in differentiating between these subtypes of PA. To test this hypothesis we measured the plasma levels o...
Hyperparathyroidism represents as a novel feature of primary aldosteronism (PA). Its occurrence in patients with the surgically correctable aldosterone-producing adenoma (APA) and not in those with bilateral adrenal hyperplasia suggested that the measurement of parathyroid hormone could help in differentiating between these subtypes of PA. To test this hypothesis we measured the plasma levels o...
Objective: To determine whether there is any correlation between parathyroid hyperplasia, as detected by high-resolution ultrasound, and clinical and laboratory variables in patients with hyperparathyroidism secondary to stage-5 chronic kidney disease (CKD) on hemodialysis. Design: Descriptive. Location: RTS Ltda. Renal Unit in Caldas, Santa Sofía Hospital and Children’s Hospital. Patients: All...
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