Colon Ulcer

Differential of Ulcers in the Colon

Tumors

Trauma from manipulation such as rectal tube placement

Medications:
NSAIDs
Antibiotics
Steroids

Infectious Causes:

CMV
HSV
Bacteria
TB
Salmonella
Parasite
Ameba (multiple)
IBD

Iatrogenic Causes:

Radiation

Vascular Disorders:

Vasculitis
Ischemia

Other causes:

Solitary rectal ulcer syndrome
Colitis cystica profunda
Inflammatory cloacogenic polyp
Mucosa adjacent to diverticular orifice
Mucosa adjacent to neoplasia
Mucosa adjacent to ileocecal valve

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