Cluster of symptoms mediated by the release of humoral factors secreted by carcinoid tumors:
Cutaneous flushing
Diarrhea
Bronchospasms
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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<bold><italic>FIGURE 12.41.</bold></bold> 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)...
<bold><italic>FIGURE 12.41.</bold></bold> Transthoracic echocardiogram recorded in a patient with carcinoid syndr...