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Intimomedial mucoid degeneration of the peripheral arteries

Georgios Tzavellas1, Edvard Skripochnik1, David Landau1

  • 1Vascular and Endovascular Surgery Division, Stony Brook Medicine, Stony Brook, NY.

Journal of Vascular Surgery Cases and Innovative Techniques
|October 30, 2019
PubMed

Insights

Intimomedial mucoid degeneration is a rare vascular condition causing aneurysms in young patients. Early diagnosis and comprehensive imaging are crucial due to potential multi-vessel involvement and rupture risk.

Area of Science:

  • Vascular Biology
  • Pathology
  • Medical Imaging

Background:

  • Intimomedial mucoid degeneration (IMMD) is a rare vascular disorder.
  • Characterized by mucinous deposition in the intima and media layers.
  • Leads to aneurysmal degeneration of the vessel wall, particularly in young individuals.

Observation:

  • Presents three distinct clinical cases of IMMD.
  • Case 1: Emergency presentation with ruptured subclavian artery aneurysm.
  • Case 2: Posterior tibial artery aneurysm with new pain and paresthesias.
  • Case 3: Self-discovered dorsalis pedis artery aneurysm.

Findings:

  • IMMD can manifest with varied and severe clinical presentations.
  • Rupture can occur even in non-aneurysmal segments.
  • Symptoms range from acute rupture to localized pain and neurological deficits.

Implications:

  • Highlights the need for high clinical suspicion in young patients with vascular abnormalities.
  • Emphasizes the importance of full-body imaging for comprehensive assessment.
  • Suggests the necessity of long-term follow-up for patients diagnosed with IMMD.
Keywords:
AneurysmArterial diseaseIntimomedial mucoid degenerationPeripheral arteries

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