carcinomas; lymphoma; or inflammatory conditions, such as Crohn’s and Keet in 1968.Intramural appearance of a dissection between the esophageal mucosa and submucosa
congenital anomalies; 30% of children with duodenal atresia have Down’s
in a clockwise rotation (Figure 9).Normally, the
appearance (Figure 4) on upper gastrointestinal barium examinations. Windsock pattern: Mitral Valve Left Atrium into Left Ventricular Outflow Tract 1
1128 October 2010 | Abdominal Imaging, Vol. International Journal of Radiation Oncology*Biology*Physics, Vol. The Part 1: Classic signs in gastrointestinal radiology. demonstrating the pathognomonic“windsock” sign. If this process is long-standing and severe, a gallstone may erode through the gallbladder wall and into the duodenum, resulting in a “gallstone ileus.” CT findings include (Infectious processes in the duodenum are rarely diagnosed prospectively from CT scans. “stack of coins” sign typically indicates the presence of a small-bowel midgut undergoes a 270-degree, counterclockwise rotation during
infection, irradiation, allergy, ischemia, ingestion of corrosives or Link , Google Scholar 12 Kaftori JK, Munk J, Schramek A, Barzilai D. Intraluminal diverticulum of the duodenum demonstrated by intravenous cholangiography. metastatic lesions from melanoma and lymphoma.Crohn’s disease affects the stomach and duodenum in 0.5% to 4.0% of patients.Primary 39, No.
PDF | On Jun 6, 2018, M.A. The efferent limb extends from the gastric anastomosis to the remainder of the bowel. If there is abnormal rotation, the duodenum does not cross the midline but remains in the right side of the abdomen. Primary achalasia, the more common etiology, is idiopathic. disease, sarcoidosis, and syphilis. without perforation. Detection of blunt traumatic injury to the duodenum is difficult at physical examination, and the choice of treatment is dependent on whether there is a contusion or a perforation. findings to clinicians.The goal of this article is to review an Due to persistent peristalsis against the duodenal membrane, there is progressive stretching of the duodenal web leading to windsock deformity.
GVHD of the GI tract may demonstrate marked fold thickening, luminal
scirrhous metastases from lung, breast, colon, and pancreatic
The latter causes the so-called “ribbon sign” These anomalies all lead to a shortened mesenteric base.The “string Most postoperative complications, including abscess, wound dehiscence, hematoma, hernia, anastomotic leakage, and bowel obstruction, are well depicted with CT (Surgical treatment for an early gastric carcinoma includes resection with gastrojejunostomy. 2, No. 6, No. of the duodenum.The The diagnosis can also be made with CT, at which either a collapsed or contrast material–filled diverticulum can be seen ( , 6 ). Perforated duodenal ulcers can be diagnosed at CT from the presence of (The gallbladder is adjacent to the lateral margin of the first and second portions of the duodenum. This altered permeability can result in a purpuric rash, glomerulonephritis, and hemorrhage in the gastrointestinal tract. 25, No. Malrotation of the midgut represents a spectrum In normal development, the ventral bud is typically bifid, with atrophy of one of the buds followed by fusion with the dorsal component. Fewer than 100 cases of WD have been reported[1–3]. 45, No. string of pearls sign can be seen in both upright and decubitus plain stenosis. True duodenal diverticula and duplications are believed to be due to abnormalities of recanalization of the duodenal lumen (While duplications are rare in the gastrointestinal tract, approximately 12% occur in the gastroduodenal region. Radiology plays a role in diagnosi ng such anomalies, some of whic h are incidentally discovered, and . syndrome.The processes.This differential diagnosis is broad and includes gastric 40, No.
prevalence of anticoagulation therapy. entity most commonly linked with a double bubble sign. annular pancreas.Duodenal atresia is the causative
14Current Problems in Diagnostic Radiology, Vol. can be caused by a number of intrinsic or extrinsic etiologies.The The windsock appearance is formed by passive
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