Cluster of symptoms mediated by the release of humoral factors secreted by carcinoid tumors:
The term carcinoid has fallen out of favor due to l...
Most NEN are asymptomatic and discovered incidentally during imaging, endoscopy, surgery, or autopsy.
Record timing, frequency, and precipitating factors:
Episodic flushing (85%)—clinic...
Cives M, Strosberg JR. Gastroenteropancreatic neuroendocrine tumors. CA Cancer J Clin. 2018;68(6):471–487. [View Abstract on OvidMedline]
E34.0 Carcinoid syndrome
D3A.8 Other benign neuroendocrine tumors
35868009 Carcinoid syndrome (disorder)
255046005 neuroendocrine tumor (disorder)
The term carcinoid has fallen out of favor. Neuroendocrine neoplasia (NEN) is preferred.
<10% of NEN produce symptoms, often leading to delay in diagnosis.
NEN is often misdiagnosed a...
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Transthoracic echocardiogram recorded in a patient with carcinoid syndrome and tricuspid valve involvement. <bold>A:</bold> A right ventricular inflow tract view reveals diffusely thickened and immobile tricuspid valve leaflets (<italic>arrows</bold>). This image was recorded in early systole. Note the complete failure of coaptation of the leaflets, which results in severe tricuspid regurgitation, confirmed in an apical four-chamber view with color flow Doppler imaging <b>(B)...
Transthoracic echocardiogram recorded in a patient with carcinoid syndr...