WEBPATHOLOGY / SCIENCE PHOTO LIBRARY WEBPATHOLOGY / SCIENCE PHOTO LIBRARY
Tubular colon polyp, light micrograph. This specimen shows tissue from a tubular adenoma. Tubular adenomas make up around 80 percent of all colon polyps. They are composed of round or oval shaped glands. Tubular adenomas are generally small and show low-grade dysplasia. This is seen here in the glands at lower right. There is hypercellularity, glandular crowding, nuclear enlargement, nuclear hyperchromasia, and loss of mature goblet cells. These features impart a basophilic appearance to the adenomatous epithelium. Colon polyps can turn cancerous. Haematoxylin and eosin stain.
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