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A carcinoid (also carcinoid tumor) is a slow-growing [1] type of neuroendocrine tumor originating in the cells of the neuroendocrine system. In some cases, metastasis may occur. Carcinoid tumors of the midgut ( jejunum , ileum , appendix , and cecum ) are associated with carcinoid syndrome .
Carcinoid syndrome is a paraneoplastic syndrome comprising the signs and symptoms that occur secondary to neuroendocrine tumors (formerly known as carcinoid tumors). [1] The syndrome is caused by neuroendocrine tumors most often found in the gut releasing biologically active substances into the blood causing symptoms such as flushing and diarrhea, and less frequently, heart failure, vomiting ...
Download QR code; Print/export Download as PDF; Printable version; ... Pulmonary carcinoid tumour is a neuroendocrine tumour of the lung. [1] There are two types:
Although estimates vary, the annual incidence of clinically significant neuroendocrine tumors is approximately 2.5–5 per 100,000; [103] two thirds are carcinoid tumors and one third are other NETs. The prevalence has been estimated as 35 per 100,000, [ 103 ] and may be considerably higher if clinically silent tumors are included.
Atypical pulmonary carcinoid tumour is a subtype of pulmonary carcinoid tumor. [1] It is an uncommon low-grade malignant lung mass that is most often in the central airways of the lung. It is also known as "atypical lung carcinoid tumour", " atypical lung carcinoid" or "moderately differentiated neuroendocrine carcinoma".
By definition, they are greater than 4 mm in largest dimension; smaller lesions are referred to as pulmonary carcinoid tumourlets. [citation needed] The differential diagnosis of typical pulmonary carcinoid tumour includes: atypical pulmonary carcinoid tumour, pulmonary carcinoid tumourlet and lung adenocarcinoma. [citation needed]
Pulmonary carcinoid tumor; Pleuropulmonary blastoma; Neuroendocrine tumors of the lung [7] Lymphomas of the lung. [8] Sarcomas of the lung. [9] Some rare vascular tumors of the lung [8] Non-lung tumors which may grow into the lungs: Mediastinal tumors; Pleural tumors; Metastasis or secondary tumors/neoplasms with other origin: Metastasis to the ...
The Neuroendocrine Tumor Research Foundation (NETRF), previously known as the Caring for Carcinoid Foundation (CFCF), is a nonprofit corporation organized under the laws of Massachusetts in order to support neuroendocrine and carcinoid cancer research in the public interest. The mission of NETRF is to fund research to discover cures and more ...