Increase of Urinary 5-Hydroxyindoleacetic Acid Excretion but Not Serum Chromogranin a Following Over-The-Counter 5-Hydroxytryptophan Intake

BACKGROUND: 5-hydroxyindoleacetic acid (5-HIAA) excretion is commonly measured for biochemical detection of carcinoid tumours. A 77-year-old woman was referred for elevated 24 h urine 5-HIAA excretion (510 μmol/day; normal is less than 45 μmol/day) and serum chromogranin A (CgA) (72.1 U/L; normal is...

Full description

Saved in:
Bibliographic Details
Main Authors: Tisha Joy, Grace Walsh, Sonya Tokmakejian, Stan HM Van Uum
Format: Article
Language:English
Published: Wiley 2008-01-01
Series:Canadian Journal of Gastroenterology
Online Access:http://dx.doi.org/10.1155/2008/472159
Tags: Add Tag
No Tags, Be the first to tag this record!