Rare large sigmoid hamartomatous polyp in an elderly patient with atypical Peutz-Jeghers syndrome: A case report

Figure 5 Postoperative tissue sample and pathological results. A-D: The resected grape-like mass of sigmoid colon was showed and the polyp size was approximately 6 cm × 5 cm × 5 cm; E: Hematoxylin-eosin staining of the lesions. There were dendritic-like structures formed by the proliferation of muscle fibers in the muscularis mucosa, which were overlaid with intrinsic mucosa tissue and piled up into villous structures.