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May 20, 2026Journal of Clinical Medicine0 citationsOpen Access

Segmental Arterial Mediolysis Diagnosis and Characteristics

Segmental Arterial Mediolysis and Other Mimics of Medium Vessel Vasculitis: A Case and Review

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Authors

RYReena YamanAMAlejandro Arango MartinezCPCarlos A. Padula

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Overview

Case presentation reports segmental arterial mediolysis mimicking medium vessel vasculitis, highlighting diagnostic challenges.

Key Points

  • The aim is to discuss segmental arterial mediolysis (SAM) and distinguish it from mimicking vasculopathies that affect medium-sized vessels.
  • Presentation of a case involving a 55-year-old woman with symptoms and imaging findings typical of SAM.
  • Transcatheter arterial embolization was performed for management of the bleeding vascular bed.
  • A narrative literature review was conducted to examine presentations and differentiating features of medium vessel vasculitis and mimics.
  • The patient presented with severe epigastric pain, hypotension, and abdominal imaging revealing significant vascular complications.
  • Key findings included aneurysms and stenosis characteristic of SAM, necessitating transcatheter arterial embolization to manage hemorrhage.
  • Accurate diagnosis is crucial as treatment strategies differ significantly between SAM and its mimics.
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Cite This Study

Yaman et al. (2026) studied this question.

synapsesocial.com/papers/6a0d5100f03e14405aa9d410https://doi.org/10.3390/jcm15103849
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Segmental arterial mediolysis: vasculopathy presenting as acute abdominal pain2024
  2. 2Coronary Artery Involvement in Segmental Arterial Mediolysis: A Case Report2019 · 4 citations
  3. 3Segmental arterial mediolysis after fenestrated endovascular abdominal aortic aneurysm repair—A rare complication2024
  4. 4Segmental Arterial Mediolysis: A Multiguised Vasospastic Arteriopathy with Collateral Mesangial Cell Hyperplasia and Cardiac Toxicity Generated by Norepinephrine and Hyperdense Adrenoceptors Alone or by Crosstalk with Other Pressor Agents2021 · 8 citations
  5. 5Acute multiple lesions resulting from segmental arterial mediolysis: An autopsy case report of subarachnoid hemorrhage accompanied by great omentum bleeding2025 · 1 citations