MDCT angiography of middle mesenteric artery with associated bowel nonrotation complicating management of abdominal aortic aneurysm.
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Biomedical subjects
Courtney A Woodfield
Publications and source records attributed to Courtney A Woodfield.
The postoperative stomach.
Gastric surgery may be performed for the treatment of a variety of benign and malignant diseases of the upper gastrointestinal tract, including peptic ulcers and gastric carcinoma. Radiographic studies with water-soluble contrast agents often are obtained to rule out leaks, obstruction, or other acute complications during the early postoperative period. Barium studies may also be obtained to evaluate for anastomotic strictures or ulcers, bile reflux gastritis, recurrent tumor, or other chronic complications during the late postoperative period. Cross-sectional imaging studies such as CT are also helpful for detecting abscesses or other postoperative collections, recurrent or metastatic tumor, or less common complications such as afferent loop syndrome or gastrojejunal intussusception. It is important for radiologists to be familiar not only with the radiographic findings associated with these various abnormalities but also with the normal appearances of the postoperative stomach on radiographic examinations, so that such appearances are not mistaken for pseudoleaks or other postoperative complications. The purpose of this article is to describe the normal postsurgical anatomy after the most commonly performed operations (including partial gastrectomy, esophagogastrectomy and gastric pull-through, and total gastrectomy and esophagojejunostomy) and to review the acute and chronic complications, normal postoperative findings, and major abnormalities detected on radiographic examinations in these patients.
Barium Sulfate↗
Pharyngeal retention cysts: radiographic findings in seven patients.
OBJECTIVE: The purpose of this study was to better characterize the radiographic features of pharyngeal retention cysts on double-contrast pharyngograms. CONCLUSION: Pharyngeal retention cysts typically involve the valleculae, appearing on double-contrast pharyngograms as small, round or ovoid, well-circumscribed, smooth-surfaced submucosal masses that are best visualized on frontal views of the pharynx. Such features should be highly suggestive of benign retention cysts, obviating further diagnostic workup in asymptomatic patients. When the cysts are lobulated or completely obliterate the valleculae, however, further evaluation by otolaryngologic examination may be required to rule out malignant tumor in the pharynx.
Adult↗