RT Journal Article SR Electronic T1 Role of endoscopy and biopsy in the work up of dyspepsia JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP iv13 OP iv16 DO 10.1136/gut.50.suppl_4.iv13 VO 50 IS suppl 4 A1 G N J Tytgat YR 2002 UL http://gut.bmj.com/content/50/suppl_4/iv13.abstract AB Endoscopy is recommended as the first investigation in the work up of a patient with dyspeptic symptoms and is essential in the classification of the patient's condition as organic or functional dyspepsia. Although the correlation between mucosal alterations and symptom pattern is difficult, endoscopy will remain the initial investigation of choice for clinically relevant abnormalities that need proper detection and biopsy.