carcinoid

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Related to Carcinoid tumors: carcinoid syndrome, Neuroendocrine tumors

carcinoid

[′kärs·ən‚ȯid]
(medicine)
A potentially malignant tumor of the argentaffin cells of the stomach and intestine.
References in periodicals archive ?
Based on the results of our literature review, cardiac metastases are most common in the presence of small bowel carcinoid tumors and hepatic metastases, though cardiac metastases without hepatic involvement have been demonstrated, and they may be more common than what is reported.
Pulmonary carcinoid tumors with Cushing's syndrome: an aggressive variant or not?
Based on these results, the tumor was diagnosed as a metastatic carcinoid tumor originating from lung primary.
There are striking differences in the clinical settings of carcinoid tumors versus high-grade neuroendocrine (NE) carcinomas: the former occur in younger patients (mean age, 45-50 years), with no predilection for sex or smoking history, whereas the latter occur predominantly in older patients (mean age, 65 years), who are more frequently male and almost invariably heavy smokers.
some of the reported cases are problematic as they lack illustrations or illustrations that are more compatible with carcinoid tumors than paragangliomas are based upon positive staining for cytokeratin (1).
An ectopic ACTH-producing carcinoid tumor localized by the measurement of ACTH in the bronchial lavage.
The proposed staging systems show overall survival at 5 years ranging from 100% for stage I rectal carcinoid tumors to 18% for stage IV, and from 96% for stage I colon carcinoid tumors to 20% for stage IV No system is currently accepted for carcinoid tumors, according to the National Cancer Institute (NCI).
CgA plasma concentrations have also been found to correlate with tumor weight in nude mice with xenografted human deal carcinoid tumors (28).
1) Carcinoid tumors have been associated with other paraneoplastic syndromes, including the ectopic production of adrenocorticotropic hormone (Cushing's syndrome) and growth-hormone-releasing factor (acromegaly).
Recurrent metastatic carcinoid tumors have been described but not at such a large interval as 22 years.
Novartis, Basel, Switzerland, has announced that the Japanese health authority has approved Sandostatin LAR (octreotide acetate for injectable suspension) for the treatment of acromegaly and pituitary gigantism which is unresponsive to or unsuitable for surgery or other drug therapies, and for symptoms associated with gastrointestinal hormone secreting tumors (also known as gastroenteropancreatic (GEP) neuroendocrine tumors (NET), including carcinoid tumors, gastrinomas, and VIPomas (Vasoactive Intestinal Peptide- secreting tumors).
Glatt was diagnosed with carcinoid tumors in his spine, which is rare because such growths usually are found in the stomach or esophagus.