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Segmental arterial mediolysis: a less recognised mesenteric vasculopathy
  1. Santhoshini Saravanan,
  2. Rajoo Ramachandran,
  3. Karthikeyan Palanisamy and
  4. Veena Mariam Joseph
  1. Radio Diagnosis, Sri Ramachandra Institute of Higher Education and Research (Deemed to be University), Chennai, Tamil Nadu, India
  1. Correspondence to Dr Santhoshini Saravanan; santhoshini.saravanan{at}gmail.com

Abstract

Segmental arterial mediolysis (SAM) is a non-immune, non-atherosclerotic and non-inflammatory arteriopathy that predominantly involves medium-sized visceral arteries of the abdomen, including the coeliac, mesenteric and renal arteries. Differentiating SAM from other vascular diseases is crucial due to significant differences in treatment strategies and clinical outcomes. However, the diagnosis of SAM poses challenges, particularly due to the difficulty in obtaining histological samples and its radiological similarities with other vascular pathologies. A thorough understanding of the clinical and radiological features that distinguish SAM is essential for accurate diagnosis and appropriate management.

  • Gastrointestinal system
  • GI bleeding
  • Hepatitis B

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Footnotes

  • Contributors The following authors were responsible for drafting of the text, sourcing and editing of clinical images, investigation results, drawing original diagrams and algorithms and critical revision for important intellectual content: RR, VMJ, KP and SS. The following authors gave final approval of the article: RR, VMJ, KP and SS. The following author is the guarantor who is responsible for the overall integrity of the research: RR.

  • 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.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

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