نتایج جستجو برای: pheochromocytomas pccs
تعداد نتایج: 1151 فیلتر نتایج به سال:
BACKGROUND AND AIM Desmoplasia is a characteristic feature and a suspected mechanism of tumor progression in pancreatic ductal adenocarcinoma (PDAC). Main constituents of the stroma involve cancer-associated fibroblasts (CAFs) and extracellular matrix (ECM). The aim of this study was to dissect the interaction of CAFs, ECM, and PDAC cells in both an in vitro setting and a large-scale clinical c...
BACKGROUND Several countries have co-located General Practitioners (GPs) in Primary Care Centres (PCCs) with other health and social care professionals in order to improve integrated care. It is not clear whether the co-location of a multidisciplinary team actually facilitates a positive patient experience concerning GP care. The aim of this study was to verify whether the co-location of GPs in...
Pheochromocytomas (PCCs) are rare tumors that arise from chromaffin tissue in the adrenal medulla, but can also occur in the abdomen outside the adrenals and are then called sympathetic paragangliomas (sPGLs). According to the literature, between 15 and 25% of apparently sporadic adrenal PCC and sPGL are caused by germline mutations in RET, von Hippel-Lindau disease (VHL), succinate dehydrogena...
UNLABELLED Pheochromocytomas (PCC) and paraganglioma (PGL) are rare neuroendocrine tumors arising from chromaffin cells of the neural crest. Mutations in the RET-proto-oncogene are associated with sporadic pheochromocytoma, familial or sporadic medullary thyroid carcinoma (MTC) and multiple endocrine neoplasia type 2. In the past, only few cases of pigmented PCCs, PGLs, and one case of pigmente...
Somatostatin receptors are present in the normal adrenal cortex and medulla. These receptors are also expressed by tumors that cause Cushing's syndrome and by pheochromocytomas. Somatostatin analogues such as octreotide have been developed to target somatostatin receptors for diagnostic and therapeutic purposes. This article reviews the current knowledge of the biology of somatostatin receptors...
Catecholamine-producing tumors may arise in the adrenal medulla (pheochromocytomas) or in extraadrenal chromaffin cells (secreting paragangliomas). Their prevalence is about 0.1% in patients with hypertension and 4% in patients with a fortuitously discovered adrenal mass. An increase in the production of catecholamines causes symptoms (mainly headaches, palpitations and excess sweating) and sig...
Pheochromocytomas and abdominal paragangliomas are adrenal and extra-adrenal catecholamine-producing tumours. They arise due to heritable cancer syndromes, or more frequently occur sporadically due to an unknown genetic cause. The majority of cases are benign, but malignant tumours are observed. Previous comparative genomic hybridization (CGH) and loss of heterozygosity studies have shown frequ...
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