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Endoscopic Spectrum of “Left”-Sided Ischemic Colitis

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Endoscopic Spectrum of “Left”-Sided Ischemic Colitis

Klaus Mönkemüller
Jan 21, 2023
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Endoscopic Spectrum of “Left”-Sided Ischemic Colitis

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  • The endoscopic spectrum of ischemic colitis is broad. Key elements though are sparing of the rectum and segmental distribution, mainly in the left colon (at the watershed area, arc of Riolan).

  • Colonic ischemia occurs due to changes in systemic circulation and/or alterations in local mesenteric vasculature.

  • The most frequent areas affected are left colon (Griffith’s point), and superior rectum (Sudeck’s point), the lower rectum usually being spared because of its dual blood supply.

  • In mild ischemic colitis there are usually segmentally distributed patchy erythema, edema and subepithelial hemorrhages. In moderate colitis, in addition to changes seen in mild disease, there are localized erosions and ulcers, which may be confluent. Often, a linear ulcer in the mesenteric border of the colon is seen. This is known as colon single strip sign (CSSS) or Zuckerman’s sign. In severe colitis there are deep ulcers, luminal narrowing and strictures and frank necrosis.


More Ischemic Colitis on EndoCollab

  • 🎥 Endoscopic Spectrum of Ischemic Colitis

  • 🎥 Endoscopic spectrum of “left”-sided ischemic colitis

  • 📝 Ischemic colitis - Zuckerman's or colon single strip sign


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Endoscopic Spectrum of “Left”-Sided Ischemic Colitis

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A guest post by
Klaus Mönkemüller
Director of Endoscopy Professor of Medicine
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