Clin Endosc.  2015 Mar;48(2):178-180. 10.5946/ce.2015.48.2.178.

"Cat Scratch Colon" in a Patient with Ischemic Colitis

• Park EJ
• Lee JS
• Lee TH
• Choi DH
• Kim EB
• Jeon SR
• Hong SJ
• Kim JO

• KMID: 1801212
• DOI: http://doi.org/10.5946/ce.2015.48.2.178

Abstract

"Cat scratch colon" is a gross finding characterized by hemorrhagic mucosal scratches on colonoscopy. It is usually associated with a normal colon and is rarely associated with collagenous colitis. In a previous report, cat scratch colon was noted in the cecum and ascending colon, but has also been observed in the distal transverse colon. The patient in this study was also diagnosed with ischemic colitis that may have played a role in the development of cat scratch colon.

Keyword

Cat scratch colon; Colonoscopy; Barotrauma; Ischemia; Colitis

MeSH Terms

Animals
Barotrauma
Cats
Cecum
Colitis
Colitis, Collagenous
Colitis, Ischemic*
Colon
Colon, Ascending
Colon, Transverse
Colonoscopy
Humans
Ischemia

Figure

• 

  Fig. 1 (A-C) Photograph showing an endoscopic view of the middle-to-distal transverse colon. Bright red, linear, hemorrhagic lesions and scratch mucosal lesions are seen.

• 

  Fig. 2 Photograph showing an endoscopic view of the cecum (A) and ascending colon (B). Severe redness, swelling, and an almost a bluish appearance of the wall of the bowel are seen.

• 

  Fig. 3 After 3 weeks, a follow-up colonoscopy reveals mild wall edema, with erythematous and scarred mucosa of the cecum and ascending colon (A). Mucosal scarring is seen in the middle-to-distal transverse colon (B).

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