| 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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| superior duodenal fold | A fold of peritoneum bounding the superior duodenal recess. Synonym: plica duodenalis superior, plica duodenojejunalis, duodenojejunal fold. (05 Mar 2000) |
| superior duodenal fossa | A peritoneal recess extending upward behind the superior duodenal fold. Synonym: recessus duodenalis superior, duodenojejunal fossa, duodenojejunal recess, Jonnesco's fossa, superior duodenal fossa. (05 Mar 2000) |
| superior duodenal recess | A peritoneal recess extending upward behind the superior duodenal fold. Synonym: recessus duodenalis superior, duodenojejunal fossa, duodenojejunal recess, Jonnesco's fossa, superior duodenal fossa. (05 Mar 2000) |
| duodenal | Relating to the duodenum. (05 Mar 2000) |
| duodenal ampulla | The dilated portion of the superior part of the duodenum. Synonym: ampulla duodeni. See: duodenal cap. Synonym: hepatopancreatic ampulla. (05 Mar 2000) |
| duodenal atresia | <radiology> Double bubble sign, polyhydramnios, associated with, Down syndrome, VATER syndrome NB: annular pancreas also may cause duodenal obstruction, and is associated with VATER syndrome (12 Dec 1998) |
| duodenal bulb | The first portion of the duodenum, as seen in a roentgenogram or by fluoroscopy. Synonym: duodenal bulb. (05 Mar 2000) |
| duodenal cap | The first portion of the duodenum, as seen in a roentgenogram or by fluoroscopy. Synonym: duodenal bulb. (05 Mar 2000) |
| duodenal diverticulum | A diverticulum of the duodenum, often of large size, that is occasionally found projecting from the duodenum near the duodenal papilla. (05 Mar 2000) |
| duodenal fistula | An opening through the duodenal wall and into the peritoneal cavity, into another organ, or through the abdominal wall. (05 Mar 2000) |
| duodenal fossae | See: inferior duodenal recess, superior duodenal recess. (05 Mar 2000) |
| duodenal glands | Small, branched, coiled tubular glands that occur mostly in the submucosa of the first third of the duodenum; they secrete an alkaline mucoid substance that serves to neutralise gastric juice. Synonym: glandulae duodenales, Brunner's glands, Wepfer's glands. (05 Mar 2000) |
| duodenal impression | A hollow on the visceral surface of the right lobe of the liver alongside the gallbladder, marking the situation of the duodenum. Synonym: impressio duodenalis. (05 Mar 2000) |
| duodenal narrowing or obstruction | <radiology> Congenital (see double bubble sign), duodenal atresia: neonatal presentation, annular pancreas: infants or adults, duodenal web/diaphragm, Ladd's bands, duplication cyst, inflammatory, postbulbar ulcer, Crohn disease, infections: TB, Strongyloides, pancreatitis, pancreatic pseudocyst, radiation injury, malignant, duodenal adenocarcinoma/lymphoma, pancreatic carcinoma, metastatic disease, traumatic, intramural haematoma, vascular, superior mesenteric artery syndrome (12 Dec 1998) |