Case of metastasizing carcinoma (argentaffinoma?) of unknown origin showing peculiar red flushing and increased amounts of histamine and 5-hydroxy-tryptamine in blood and urine.
D002276:Carcinoid Tumor / Q000378:metabolism*; D002277:Carcinoma; D004067:Digestive System Neoplasms; D041981:Gastrointestinal Tract; D006632:Histamine / Q000097:blood* / Q000652:urine*; D006801:Humans; D009369:Neoplasms; D012701:Serotonin / Q000097:blood* / Q000652:urine*
D012701:Serotonin; D006632:Histamine
ARGENTAFFINOMA/metabolism; GASTROINTESTINAL SYSTEM/neoplasms; HISTAMINE/in blood; HISTAMINE/in urine; SEROTONIN/in blood; SEROTONIN/in urine