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Peutz-Jeghers polyps. A: Peutz-Jeghers polyps are a subset of hamartomatous polyps. These patients also have mucocutaneous pigmentation of the lips, buccal mucosa, and digits. B: These polyps are highly characteristic in the small and large bowels but may appear more nonspecific in the gastric mucosa. This striking example shows characteristic arborizing smooth muscle (arrows; hematoxylin and eosin stain, 100× magnification).
