Infectious Pseudoaneurysm of the Internal Carotid Artery in a Child Secondary to Parapharyngeal Abscess

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Christian Davidson1, Cheryl Holihan2, Rafael de Oliveira Sillero3

  • 1University of Texas Southwestern Medical Center, Dallas, TX, USA.

Ear, Nose, & Throat Journal
|January 4, 2021
PubMed

Insights

Infectious pseudoaneurysm, a rare arterial condition, can arise from nearby infections. This case highlights endovascular coil occlusion as a successful treatment for a pediatric internal carotid artery pseudoaneurysm secondary to a parapharyngeal abscess.

Area of Science:

  • Vascular Surgery
  • Pediatric Infectious Diseases
  • Interventional Neuroradiology

Background:

  • Infectious pseudoaneurysms are uncommon arterial dilatations often stemming from adjacent infectious sources.
  • Parapharyngeal abscesses, while treatable, can lead to rare but serious vascular complications involving major neck arteries.

Observation:

  • An 8-year-old male presented with severe headache following treatment for a parapharyngeal abscess.
  • Imaging revealed an internal carotid artery (ICA) pseudoaneurysm and a residual parapharyngeal abscess.

Findings:

  • The patient received intravenous antibiotics and underwent successful transfemoral endovascular coil occlusion of the cervical ICA pseudoaneurysm.
  • The procedure was performed without complications, effectively managing the vascular complication.

Implications:

  • This case underscores the importance of recognizing and managing rare vascular complications associated with deep neck infections in pediatric patients.
  • Neurointerventional embolization, specifically endovascular coil occlusion, offers a viable and safe treatment option for infectious pseudoaneurysms of the internal carotid artery.
Keywords:
carotid arterydeep neck infectioninfectious pseudoaneurysmparapharyngeal abscesspseudoaneurysm

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