Fig. 1From: Gastrointestinal symptoms as an extended clinical feature of Pierson syndrome: a case report and review of the literatureGastrointestinal phenotypes associated with Pierson syndrome. a An upper gastrointestinal contrast study depicting the intestinal malrotation. Arrows indicate the “corkscrew sign” of the proximal jejunum. b A radiographic contrast image depicting the gatroesophageal reflux (arrow head)Back to article page