Abstract
Small bowel obstruction is a blockage in the small intestine, which is usually caused by adhesion scar tissue, hernia, medication, or malignancy. The symptoms of small bowel obstruction include nausea and vomiting of bile, abdominal distention and obstipation. We present a case of a 61-year-old man with ankylosing spondylitis and scoliosis, who suffered from incomplete small bowel obstruction due to unusual direction of duodenum and externally compressed by liver, gallbladder and pancreas. We gave conservative treatment and inserted a nasojejunal tube for enteral feeding, and the duodenum broke free from the grip of liver, gallbladder and pancreas to its normal anatomical direction. Besides common etiology of small bowel obstruction, unusual body shape and smaller abdominal cavity may cause obstruction due to external compression of neighbor organs. Conservative treatments include gastrointestinal decompression, correction of electrolytes abnormality and nutrition support, while surgical intervention is suggested for the patient without improvement on conservative management.
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