Hyperplastic polyp with perineuromatous stroma

From Libre Pathology
Revision as of 00:30, 29 October 2015 by Michael (talk | contribs) (Created page with "'''Hyperplastic polyp with perineuromatous stroma''', also known as '''benign serrated colorectal fibroblastic polyps/intramucosal perineurioma''' and '''hybrid hyperplastic p...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Hyperplastic polyp with perineuromatous stroma, also known as benign serrated colorectal fibroblastic polyps/intramucosal perineurioma and hybrid hyperplastic polyp/mucosal perineurioma, is a benign colorectal polyp.

General

  • Rare.
  • Benign.[1]

Microscopic

Features:

  • Serrated epithelial cells (at the surface of the gland) - key feature.
    • Serrated appearance = saw-tooth appearance, epithelium has jagged edge.
  • Perineuromatous stroma.

DDx:

See also

References

  1. ↑ Agaimy, A.; Stoehr, R.; Vieth, M.; Hartmann, A. (Nov 2010). "Benign serrated colorectal fibroblastic polyps/intramucosal perineuriomas are true mixed epithelial-stromal polyps (hybrid hyperplastic polyp/mucosal perineurioma) with frequent BRAF mutations.". Am J Surg Pathol 34 (11): 1663-71. doi:10.1097/PAS.0b013e3181f4a458. PMID 20962618.
Retrieved from "https://librepathology.org/w/index.php?title=Hyperplastic_polyp_with_perineuromatous_stroma&oldid=40896"