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