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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 .
Pulmonary carcinoid tumour is a neuroendocrine tumour of the lung. [1] There are two types: Typical pulmonary carcinoid tumour; Atypical pulmonary carcinoid tumour;
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]
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.
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". It is a more aggressive than typical carcinoid tumors: nodal metastases in 70% vs. 5%.
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 ...
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Nong Lam University (Vietnamese: Trường Đại học Nông Lâm Thành Phố Hồ Chí Minh) is a comprehensive university in Thủ Đức, Ho Chi Minh City, Vietnam.