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Can cryptogenic multifocal ulcerous stenosing enteritis (CMUSE) be diagnosed in a patient with non-steroidal anti-inflammatory drug exposure?
  1. Karim T Osman1,
  2. Daniel B Maselli1,
  3. Taofic M Mounajjed2 and
  4. Travis E Grotz3
  1. 1Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
  2. 2Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
  3. 3Department of Hepatobiliary and Pancreatic Surgery, Mayo Clinic, Rochester, Minnesota, USA
  1. Correspondence to Dr Karim T Osman; ktarek.osman{at}gmail.com

Abstract

The differential diagnosis for ulcerating small bowel strictures is extensive and includes exposure to non-steroidal anti-inflammatory drugs (NSAIDs), Crohn’s disease, infections, gastrointestinal lymphoma and vasculopathy. It also encompasses the exceptionally rare and poorly understood diagnosis of cryptogenic multifocal ulcerative stenosing enterocolitis (CMUSE), often a diagnosis of exclusion and considerable difficulty. We present a case of persistent proximal jejunal ulcerating stenoses in a 75-year-old Caucasian man, which continued despite cessation of NSAIDs. After extensive clinical, radiographic, laboratory and ultimately surgical pathological appraisal—as well as failure to improve with both misoprostol and budesonide—he was diagnosed with CMUSE and managed with limited small bowel resection. In the presentation of this case, we aim to underscore the diagnostic challenges that clinicians face in differentiating CMUSE from other more common diagnoses, particularly NSAIDs-induced enteropathy.

  • gastroenterology
  • drugs: gastrointestinal system
  • gastrointestinal system
  • ulcer
  • small intestine

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Footnotes

  • Contributors KTO and DBM performed the literature review and wrote the manuscript. TMM and TEG reviewed and edited the manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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