GI Radiology > Stomach > Neoplasms


Adenomatous Polyps

Adenomatous polyps constitute 10-20% of all gastric polyps and represent a true neoplasm with malignant potential. They are histologically characterized by intestinal metaplasia and cellular atypia. Adenomatous polyps are typically solitary and most commonly located in the gastric antrum.

Radiographic Findings:

  • Shape: Broad-based elliptical polyp +/- a pedicle

  • Size: Usually >2cm in diameter

  • Surface: Contour is generally lobulated, but may be smooth

  • Location: Antrum is most common


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