Proctitis refers to inflammation of the lining of the rectum (rectal mucosa) it may be acute or chronic. When is involves the rest of the wider colon, it is then termed proctocolitis.

Proctitis may have a range clinical symptoms which include rectal bleeding, discharge, urgency, painful defecation, tenesmus, and/or crampy lower abdominal pain. 

Proctitis may result from number of pathologies

Usually tends to show diffuse thickening of the rectum

Possible differential considerations include

Share article

Article information

rID: 66295
Synonyms or Alternate Spellings:
  • Inflammation of the rectum
  • Rectal inflammation

Support Radiopaedia and see fewer ads

Cases and figures

  • Case 1: radiation proctitis
    Drag here to reorder.
  • Case 2: CMV proctitis
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.