<prompt> True about tropical sprue are AE:Protein losing enteropathySteatorrheaStomatitisJejunal biopsy is specific  <response>: An upper endoscopy with biopsy of the duodenum beyond the duodenal bulb or jejunum is performed. It is impoant for the physician to obtain multiple samples 4-8 from the duodenum. Not all areas may be equally affected; if biopsies are taken from healthy bowel tissue, the result would be a false negative. Findings : Scalloping of the small bowel folds Paucity in the folds A mosaic pattern to the mucosa cracked mudappearance Prominence of the submucosa blood vessels, and a nodular pattern to the mucosa. Tropical Sprue presents in adults as steatorrhea, diarrhea and vitamin deficiency -stomatitis 