Atlas of Gastroenterological Endoscopy
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Anular pancreas
Anular pancreas Prestenotic dilatation
This duodenal lumen is completly obliterated by edematous mucosa in an old lady suffering from acute pancreatitis and continous vomiting. The upper duodenum (duodenal bulb) shows prestenotic dilatation.
x-ray stenosis The stenosis can be documented by contrast enhanced X-ray studies. The abdominal CT- scan shows suspected anular pancreas. The patient is lost to further differential diagnosis. With an anular pancreas as an inherited malformation there is a life long relative duodenal stenosis. Only with progressing, symptomatic stenosis this abnormality gains clinical importance.
Move the mouseīs arrow onto the figure to outline the stenosis.