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Purpose Several new gene mutations have been reported in recent years to be associated with a risk of familial pheochromocytoma. However, it is unclear as to whether extensive genetic testing is required in all patients. Methods The clinical data of consecutive patients operated for pheochromocytoma over a decade in a tertiary referral center were reviewed. Genetic screening was performed using...
Bilateral adrenal macronodular hyperplasia (BMAH) is a rare form of Cushing’s syndrome characterised by the presence of bilateral secretory adrenal nodules and hypercortisolism. Familial studies support a genetic basis for BMAH, and the disease has been linked to mutations in ARMC5, a gene shown to have a tumour suppressor-like action in the development of adrenal nodules. This study aimed to investigate...
Cushing’s syndrome (CS) is a condition associated with high cortisol levels and affects around 0.7–2.4 cases per million population per year [1–3]. Approximately 80 % of cases of CS are secondary to excess adrenocorticotrophin (ACTH) secretion, while in around 20 % the primary abnormality lies in the adrenal, most often an adrenal adenoma or carcinoma. Of the ACTH-dependent causes, some 80–90 % are...
Pheochromocytomas and paragangliomas (PPGLs) are rare catecholamine-secreting tumors which arise from the adrenal glands or sympathetic neuronal tissue. Malignant transformation of these tumors occurs in a significant proportion and may therefore lower overall survival rates. In patients with PPGLs it is impossible to identify malignant disease without the presence of metastatic disease, something...
Recently, an endogenous ligand has been described for the growth hormone secretagogue receptor (GHS-R), named ghrelin. It was originally isolated from the stomach, but it is also present in the hypothalamus, where the highest concentration of GHS-R has been detected. It is well established that synthetic GHSs exert their effects on the growth hormone (GH) axis principally via the hypothalamus, although...
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