Endocrine Abstracts

Introduction: Patients with primary hyperparathyroidism (pHPT) run an increased risk of death, and in some studies cardiovascular diseases were inversely related to urine osmolality.Aim: Evaluate the renal concentration capacity in patients with mild and severe pHPT, and its changes after surgery for pHPT and during medical management and monitoring.Materials and methods: The study included 77 patients (median age 57 (52;61)) with ...

Introduction: Primary hyperparathyroidism (PHPT) results in alterations in carbohydrate metabolism, characterized by insulin resistance, hyperinsulinemia, and glucose intolerance.Objective: The aim of our study was to evaluate carbohydrate metabolism status in patients with PHPT.Methods: One hundred and nine patients with PHPT were investigated, healthy controls included 36 individuals matched by sex age and BMI (BMI=27±5 kg/m...

BackgroundMost cases of primary hyperparathyroidism (PHPT) is caused by a single benign adenoma, multiple parathyroid neoplasms (MPN) occur less often in 10–15%, parathyroid carcinoma accounts for <3%. MPN can be sporadic or develop due to inherited genetic syndromes (most commonly multiple endocrine neoplasia syndrome type 1 (MEN-1) that usually manifest at a young age. The preoperative examination of patients with MPN is important for achievin...

Background: Parathyroid cancer (P?) in children is extremely rare, more often sporadic, but may be associated with a germline mutation. The only effective treatment is surgical approach due to the chemo-radio-resistance of PC.Clinical case: A 6-years-old girl presented with weakness, gait disturbance, pain in the limbs, an X-shaped curvature of the legs. At the age of 12, the patient’s well-being worsened sharply. The laboratory examination revealed...

Introduction: Normocalcemic primary hyperparathyroidism (NPHPT) is defined as a condition in which persistently normal serum calcium levels are observed in the presence of high levels of parathyroid hormone (PTH). NPHPT is a new entity which possibly represents a clinically symptomatic disease and which has generated a considerable scientific interest.Aim: To compare the clinical and laboratory data between the normocalcemic and hypercalcemic forms of PH...

Primary hyperparathyroidism (PHPT) is the third most frequent endocrine disorder and has a variable clinical presentation. Asymptomatic PHPT became the predominant form of the disease with increase of it’s incidence after the introduction of automated serum calcium measurement in North America and Europe. Data from Russia is lacking.Aim: To present the clinical profile of PHPT in Russia.Materials and methods: This retrospectiv...

MEN1 syndrome is an autosomal dominant inherited disease characterised by primary hyperparathyroidism in association with endocrine enteropancratic tumors and anterior pituitary adenomas. Tumours of the pituitary gland as the first manifestations of MEN1 are very rare in children.Clinical case report: A 13-year-old boy presented with clinical signs suggestive of Cushing’s syndrome. He had decreased growth rate, muscle weakness, headaches and truncal...

Background: Parathyroid carcinoma (PC) is an infrequent pathology, responsible for 0.5–5% of primary hyperparathyroidism cases. Despite the high prevalence of secondary hyperparathyroidism in patients with a chronic kidney disease (CKD), PC among them is extremely rare, with less than 30 cases reported in the literature. The diagnosis of PC in CKD patients is more complex, because of using cinacalcet that reduces the level of calcium and parathyroid hormone (PTH). We repo...

BackgroundThe nonclassical complications of primary hyperparathyroidism (PHPT) can include metabolic syndrome associated with cardiovascular diseases. According to clinical studies, an increased incidence of diabetes mellitus, insulin resistance, obesity, dyslipidemia and other disorders are observed in patients with PHPT regardless of the severity of the disease. The aim of this study is to estimate metabolic parameters in patients with PHPT compared to...

Introduction: The genetic causes of development of multiple endocrine neoplasia type 1 (MEN-1) phenocopies remain largely unknown.Aim of the study: To evaluate the role of genes associated with familial primary hyperparathyroidism (PHPT) in the development of MEN-1 phenocopies with the combination of PHPT and pituitary adenomas (PA).Materials and methods: 20 patients (19 females and 1 male) were included in the study. All patients ...