neuroendocrine tumor


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Related to neuroendocrine tumor: Carcinoid tumor, Neuroendocrine cancer

neuroendocrine tumor

Neuropathology A neoplasm with a characteristic morphology, often composed of clusters and trabecular sheets of round 'blue cells', granular chromatin, and an attenuated rim of poorly demarcated cytoplasm Examples Carcinoids, small–'oat' cell carcinomas, medullary carcinoma of thyroid, Merkel cell tumor, cutaneous neuroendocrine CA, pancreatic islet cell tumors, pheochromocytoma. See Neurosecretory granules.
References in periodicals archive ?
Extensive preoperative investigations of pancreatic neuroendocrine tumors do not necessarily yield an accurate diagnosis.
Pancreatic neuroendocrine tumors (NET) are a rare cause of ectopic ACTH syndrome.
Causes of an increased ACTH value can include (a) increased pituitary secretion of ACTH due to adrenal insufficiency (primary adrenal insufficiency), (b) increased secretion from a tumor in the pituitary (Cushing disease), or (c) ectopic secretion by neuroendocrine tumors outside the pituitary, ranging from small-cell lung cancers to carcinoids.
Paragangliomas and other neuroendocrine tumors are hypervascular and, therefore, have hyperintense signals on T2-weighted MR-images.
Many patients with metastatic neuroendocrine tumors are now able to live longer lives.
Activity of sunitinib in patients with advanced neuroendocrine tumors.
CgA is normally found in endocrine cells and neurons and is a promising tumor marker because most neuroendocrine tumors, including silent tumors without secretion of known hormones, express and release CgA (1-4).
Gives Impact analysis of approval of Afinitor for Pancreatic Neuroendocrine Tumor (PNET) Patients
Association of Progression-Free Survival with Overall Survival in Patients with Neuroendocrine Tumor Treated with Somatostatin Analogs
Neuroendocrine tumors can arise from numerous organ systems including lung, gastrointestinal tract, pancreas, breast, gynecologic tract, and urothelial tract.
There was no evidence of high-grade neuroendocrine tumor involvement.
Neuroendocrine tumors of the gastroenteropancreatic system (NET-GEP) correlation between Ki-67 immunostaining, histological features and clinical behaviour.

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