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Abdomen » Gastrointestinal
Antral gastric polyp
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Author(s) :
Nirvikar Dahiya, MD
 
Presentation Patient presented with history of recurrent abdomen pain. No obvious history of association with feeding habits was ascertained.
 
 
 
Caption: Antral Polyp
Description: This is a transverse scan in the region of the epigastrum showing a water filled stomach outlining a well defined hypoechoic lesion along the stomach wall.
 
 
 
Caption: Antral Polyp
Description: This is a transverse scan in the region of the epigastrum showing a water filled stomach outlining a well defined hypoechoic lesion along the stomach wall.The mucosal surface is hyperechoic.
 
 
 
Caption: Antral Polyp Endoscopy
Description: Endoscopy showed a well defined smoothly marginated sessile polyp along the wall of the antrum of stomach.
 
 
 
Caption: Antral Polyp Endoscopy
Description: Endoscopy showed a well defined smoothly marginated sessile polyp along the wall of the antrum of stomach.
 
Differential Diagnosis Gastric Polyp Hypertrophic Mucosal Fold Leiomyoma
 
Final Diagnosis Hyperplastic Gastric Polyp
 
Discussion Gastric polyps are found in 2% to 3% of gastric examinations, usually as incidental findings. The polyps may be neoplastic or non-neoplastic, with most (80% to 90%) being non-neoplastic. They may be multiple or solitary, and some complicate polyposis syndromes. The two main types of non-neoplastic polyps include hyperplastic polyps and fundic gland polyps. Less commonly, neoplastic (adenomatous) polyps develop. Clinical and endoscopic features are rarely able to distinguish the various types of polyps prior to histologic examination.Most hyperplastic polyps arise on a background of chronic gastritis. The ultrasound examination in this case was done after making sure the patient had had an adequate amount of water to fill the stomach. A hypoechoic polypoidal lesion was seen arising from the wall with a thin hyperechoic mucosal rim over it. The lesion measured about 8mm in its widest axis. A provisional diagnosis of polyp was made. The endoscopic findings correlated with the ultrasound - a smoothly marginated polyp was seen in the antrum.
 
Case References Ming SC, Goldman H: Gastric polyps. A histogenetic classification and its relation to carcinoma. Cancer 18:721, 1965. Mocek FW, Ward WW, Wolfson SE, et al: Elimination of recurrent hyperplastic polyps by eradication of Helicobacter pylori. Ann Intern Med 120:1007, 1994 Inflammatory fibroid polyp of the duodenum. 
Soon MS, Lin OS Surg Endosc 2000 Jan;14(1):86
 
Technical Details 3.5 Mhz Convex Linear Probe
 
Follow Up Histopatholgy revealed a hyperplastic gastric polyp. The polyp was removed endoscopically and the patient's symptoms have also subsided. Recent ultrasound and endoscopic follow up did not reveal any fresh lesions or recurrence.
 
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