Ácido 5-hidroxindoleacético (5-HIAA); Metabolito de la serotonina; A5-HIA
El rango normal es de 3 a 15 mg/24 h (miligramos por 24 horas).
Los médicos generalmente miden los niveles de A5-HIA para detectar tumores en el tubo digestivo (tumores carcinoides) y hacer seguimiento a la afección del paciente. Este examen también se realiza para diagnosticar ciertas afecciones, como mastocitosis sistémica y tumores endocrinos.
Feldman M, Friedman LS, Brandt LJ, eds. Sleisenger and Fordtran's Gastrointestinal and Liver Disease: Pathophysiology, Diagnosis, Management . 8th ed. Philadelphia, Pa: Saunders; 2006.
Goldman Lee, Ausiello D. Cecil Textbook of Medicine . 22nd ed. Philadelphia, Pa: Saunders; 2003.
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