title: Carcinoid-islet cell tumors of the duodenum.
mesh_terms: D007516:Adenoma, Islet Cell / Q000473:pathology / Q000601:surgery; D000328:Adult; D002276:Carcinoid Tumor / Q000473:pathology / Q000601:surgery; D004379:Duodenal Neoplasms / Q000473:pathology / Q000601:surgery; D004381:Duodenal Ulcer / Q000150:complications; D005260:Female; D005743:Gastrectomy; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000652:urine; D008297:Male; D008875:Middle Aged; D015043:Zollinger-Ellison Syndrome / Q000175:diagnosis*
chemical_list: D006897:Hydroxyindoleacetic Acid