Carcinoid tumors are part of a heterogeneous group of gastrointestinal and pancreatic endocrine tumors that are characterized by their capacity to produce and secrete hormones, 5-hydroxytryptamine ...

Background. A 48-year-old man presented with diarrhea, flushing, abdominal pain and weight loss of 10 kg over a 6-month period. He subsequently developed dyspnea on exertion. Diagnosis. Carcinoid ...