Solitary Rectal Ulcer: A Literature Review

Context null Solitary rectal ulcer (SRU) is a disease with many challenging issues. There are several controversies about the basic pathophysiology of this disease. Despite its name, “solitary rectal ulcer”, more than a quarter of patients do not show any ulcer in colonoscopy. Instead, many patients show multiple polypoid lesions. Some previous reports have suggested calling this disease “rectal mucosal prolapse” instead of SRU, however, most of...