Biomedical subjects
Publications and source records attributed to J M Messmer.
Intramural gastric diverticula are true diverticula, entirely contained within the wall of the stomach without deformity of the serosa. All of the 13 known reported cases are at the greater curvature of the distal antrum. This is true of our three cases as well. The unique location and characteristic change in shape with peristalsis distinguish them from pathological entities.
Twenty-two patients who had gastric partition surgery for morbid obesity and subsequently developed stomal dilatation were evaluated with both upper gastrointestinal barium examinations and upper endoscopy. Both examinations were positive in eight patients. Endoscopy alone was positive in 14, but retrospective view of the upper gastrointestinal series was positive in nine of the patients. The authors stress the importance of a dedicated radiologist in performing these difficult examinations and the need for specific measurements of the stomal diameter.
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Three examples of intravascular air caused by massive head trauma are presented. The basic types of air embolism are discussed and the pathophysiology in the three cases is offered. The association should be recognized to avoid misinterpretation of the radiographs.
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We report an unusual case of diffuse infiltration of the mesentery by amyloidosis. The CT, sonographic, and operative findings mimicked abdominal carcinomatosis.
Percutaneous transhepatic biliary drainage is performed for the relief of biliary obstruction, usually on a malignant basis. The basic pathology and indications for the procedure are discussed, and the technical materials and methods are detailed. The role of the radiologic technologist in performing this procedure is emphasized.