Last revised by Daniel J Bell on 12 Jan 2023

Proctitis (rare plural: proctitides 8) refers to acute or chronic inflammation of the lining of the rectum (rectal mucosa). If involvement extends to the rest of the wider colon, it is then termed proctocolitis.

Proctitis may have a range of clinical symptoms including: 

Proctitis may result from a number of pathologies:

  • infection - infective proctitis

    • common

      • gonococcal proctitis

      • syphilitic proctitis 2

      • Chlamydia trachomatis 8

      • viral 

        • CMV proctitis

        • herpes simplex 8

    • uncommon 8

      • Escherichia coli

      • Shigella

      • Campylobacter

      • Clostridium difficile

  • ischemia - ischemic proctitis

  • radiation - radiation proctitis

  • fecal impaction - stercoral proctitis

Usually tends to show diffuse thickening of the rectum.

Possible differential considerations include:

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Cases and figures

  • Case 1: radiation proctitis
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  • Case 2: CMV proctitis
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  • Case 3
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