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 ?
The Global Neuroendocrine Tumor Treatment Market was valued at US$ 1,197.3 million in 2016 and is projected to expand at a CAGR of 10.5% during the forecast period (2017-2025), as highlighted in a new report published by Coherent Market Insights.
Confirmation of neuroendocrine tumor diagnosis requires histopathological examination and immunohistochemical diagnosis based on positive staining on chromogranin or synaptophysin.
Quite recently, attention has again been directed to neuroendocrine tumors, so that in 2010 WHO proposed a new classification.
Liver resection is the most effective treatment of liver metastasis of neuroendocrine tumors. Other treatment options, including arterial chemo-embolization, radiofrequency ablation, radionuclide therapy, and liver transplantation, can be used for curative purposes when liver metastases are unresectable; the morbidity and mortality in patients with insulinoma are predominantly the result of the persistent hypoglycemia rather than wide-spread dissemination of the tumor (7).
Somatostatin analogs treated small intestinal neuroendocrine tumor patients circulating microRNAs.
In the second case, pancreatic neuroendocrine tumor (PNET), a very rare manifestation of VHL disease, developed during follow-up.
Primary hepatic neuroendocrine tumor with multiple liver metastases: A case report with review of the literature.
Comparison of three Ki-67 index quantification methods and clinical significance in pancreatic neuroendocrine tumors. Endocr Pathol.
Microscopic examination of the specimen showed solid, nesting, glandular masses of monotonous small circular cells with peripheral palisading; moderate amount of finely granular cytoplasm with small nucleoli and salt paper chromatin; and 2-3 mitotic activity per high power field, thus confirming the diagnosis of neuroendocrine tumor (Figure 1).
Baseline levels and concentration of Cg A during follow-up of patients with metastatic colorectal NENs is no different (a) as observed during small bowel neuroendocrine tumor progression (b) [65].
Current literature on CAPTEM mainly stems from pancreatic neuroendocrine tumor patients [8].

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