Figure 2From: Solitary Peutz-Jeghers type hamartomatous polyps in the duodenum are not always associated with a low risk of cancer: two case reports Histological examination showed findings suggestive of a hamartoma: branching bundles of smooth muscle fibers covered by hyperplastic duodenal mucosa, with a focus of well-differentiated adenocarcinoma. Hematoxylin and eosin staining (objective 10 ×).Back to article page