Figure 2. Upper gastrointestinal series showing dilatation of the stomach and proximal duodenum with a corkscrew appearance of the distal duodenum and proximal jejunum.

• 图2上消化道摄影术显示胃和邻近的十二指肠扩张，十二指肠末端和邻近的空肠呈拔钻形。