| postbulbar duodenal ulcers | <radiology> Peptic ulcer disease, only 5% of benign ulcers are postbulbar, Zollinger-Ellison syndrome (gastrinoma), 25% postbulbar, benign tumour (especially leiomyoma), malignant tumour, primary duodenal carcinoma, invasion (nnodes, pancreas, colon, kidney, gall bladder), malignant melanoma, Crohn's disease, TB, aorticoduodenal fistula, simulators: ectopic pancreas, duodenal tics (12 Dec 1998) |
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| postbulbar |
posterior or distal to a bulb, such as the medulla oblongata, or distal to the pileus ventriculi (duodenal bulb).
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