The annual tree ring sign, the concentric sign, and Aurora rings: similar faces of "prolapsing" diseases?

Gastrointest Endosc. 2014 Mar;79(3):538. doi: 10.1016/j.gie.2013.10.005.
No abstract available

Publication types

  • Letter
  • Comment

MeSH terms

  • Colonoscopy / methods*
  • Female
  • Humans
  • Intestinal Mucosa / pathology*
  • Rectal Diseases / pathology*