Fig. 1From: A PTPN11 mutation in a woman with Noonan syndrome and protein-losing enteropathya shows the snowflake appearance of the duodenum and b shows the granuloid changes in the gastric antral mucosa by electronic gastroscopy. Reconstructive CT of the small intestine in (c & d) demonstrate segmental thickening of the intestinal wall with local intestinal stenosis. Arrows highlight the indicated featuresBack to article page