duodenal bulb


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Related to duodenal bulb: punctate erythema

du·o·de·nal cap

the first portion of the duodenum, as seen in a radiograph or by fluoroscopy.
Synonym(s): duodenal bulb

duodenal bulb

the first part of the superior portion of the duodenum, which has a bulblike appearance on radiographic views of the small intestine.

duodenal bulb

The upper duodenal area just beyond the pylorus.
See also: bulb
References in periodicals archive ?
Since the tube itself can distort the course of the duodenum, bowel rotation should be assessed with the tube retracted to the duodenal bulb followed by contrast injection (Figures 10 and 11).
Ulcers rarely occur in the esophagus or in the first portion of the duodenum, the duodenal bulb.
It is also found in the duodenal bulb of patients with duodenal ulcer.
2) reported the endoscopic ultrasonography (EUS) diagnosis of an ectopic opening of the CBD in the duodenal bulb before ERCP.
The duodenum is divided into the duodenal bulb (D1), descending part (D2), transverse part (D3) and ascending part (D4).
sup][5] It most frequently is located in the duodenal bulb or the periampullary region.
Blunting and distortion of villi may be observed in the duodenal bulb, secondary to expanded Brunner glands.
Brunner's gland hyperplasia is most often found in the proximal duodenum, representing the normal Brunner's glands distribution, with 70% found in the duodenal bulb, 26% in the second portion of the duodenum, and 4% in the third portion (2).
There are potential areas of the stomach' the proximal portion of the duodenal bulb and the upper portion of the second part of the duodenum that may be difficult to see with this instrument.
75,76) Biopsies from the duodenal bulb should be interpreted with caution because this area is exposed to gastric acid and is prone to peptic injury; Brunner glands can also be prominent in the bulb and they may cause artifactual distortion of villi.