A Case Study of Myofibroblast Accumulation in a Carotid Web - Summary - MDSpire

A Case Study of Myofibroblast Accumulation in a Carotid Web

  • By

  • Saki Kotani

  • Ryoji Yasumizu

  • Yasuhiro Takeuchi

  • Takumi Yamanaka

  • Kazuyuki Kuwayama

  • Keigo Matsumoto

  • February 7, 2026

  • 0 min

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Objective:

To analyze a resected carotid web specimen histopathologically and hypothesize the role of myofibroblasts in its pathogenesis, particularly in relation to ischemic stroke risk.

Key Findings:
  • Carotid webs are associated with increased risk of ischemic stroke, particularly in younger patients, with a prevalence of 9-37% in those under 60 with cryptogenic stroke.
  • Histopathological analysis revealed significant myofibroblast accumulation and collagen changes in the excised specimen.
  • Post-surgical follow-up showed no recurrence or neurological symptoms in the patient.
Interpretation:

The findings suggest that myofibroblast dysregulation may play a role in the pathogenesis of carotid webs, warranting further investigation into its implications for stroke prevention.

Limitations:
  • The study is based on a single case, limiting generalizability and introducing potential biases.
  • Long-term outcomes and the effectiveness of surgical intervention in asymptomatic cases remain unclear.
Conclusion:

This case highlights the potential role of myofibroblasts in carotid web formation and supports the need for further research into optimal management strategies, particularly regarding stroke prevention.

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