Arora R, Levine MS, Harvey RT, Laufer I, Rubesin SE. Hypertrophied antral-pyloric fold: reassessment of radiographic findings in 40 patients.
Radiology 1999;
213:347-51. [PMID:
10551211 DOI:
10.1148/radiology.213.2.r99nv30347]
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Abstract
PURPOSE
To reassess the findings of a hypertrophied antral-pyloric fold on double-contrast barium studies.
MATERIALS AND METHODS
A search of radiologic files resulted in recovery of records of 1,796 patients with findings of antral gastritis on double-contrast upper gastrointestinal studies. According to radiologic reports, 40 patients had a hypertrophied antral-pyloric fold. The radiographs were reviewed retrospectively to determine the size, location, and morphologic features of the folds. Clinical, radiologic, and/or endoscopic follow-up data were obtained in 22 patients.
RESULTS
All but two patients were symptomatic, and all but one responded to medical treatment. The hypertrophied antral-pyloric fold was located on the lesser curvature of the distal antrum in all patients and extended to the pylorus in 25 (62%) and into the base of the duodenal bulb in 15 (38%). The fold appeared as a smooth or slightly lobulated submucosal mass in 37 (92%) patients and as a plaquelike lesion in three (8%). Other radiographic findings of antral gastritis were present in 26 (65%) patients. In nine patients who underwent endoscopy, endoscopic and/or histologic findings of antral gastritis were present in five, but none had evidence of tumor.
CONCLUSION
A hypertrophied antral-pyloric fold may be a sign of antral gastritis that is associated with characteristic radiographic findings. Endoscopy and biopsy may not be warranted when lesions with features typical of a hypertrophied antral-pyloric fold are seen on double-contrast barium studies.
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