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<p>Chronic subdural hematoma (CSDH) is commonly managed with burr hole evacuation, yet recurrence remains frequent. Middle meningeal artery (MMA) embolization has emerged as a minimally invasive treatment. We describe the case of an 85-year-old man with refractory CSDH who developed multiple recurrences despite repeated surgical evacuation and MMA embolization. Three-dimensional rotational angiography (3D-RA) revealed atypical transosseous feeders from the anterior and middle deep temporal arteries and the middle temporal artery. Targeted embolization using N-butyl cyanoacrylate and coils resulted in durable hematoma resolution without further recurrence. This case highlights the importance of detailed vascular assessment with 3D-RA when MMA embolization fails.</p>

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Failure of MMA embolization due to deep and middle temporal artery supply in chronic subdural hematoma: the diagnostic value of 3D-RA

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月16日

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  • Masaomi Takeuchi,
  • Yoichi Morofuji,
  • Yuki Matsunaga,
  • Chieko Inoue,
  • Eri Shiozaki,
  • Takayuki Matsuo

摘要

Chronic subdural hematoma (CSDH) is commonly managed with burr hole evacuation, yet recurrence remains frequent. Middle meningeal artery (MMA) embolization has emerged as a minimally invasive treatment. We describe the case of an 85-year-old man with refractory CSDH who developed multiple recurrences despite repeated surgical evacuation and MMA embolization. Three-dimensional rotational angiography (3D-RA) revealed atypical transosseous feeders from the anterior and middle deep temporal arteries and the middle temporal artery. Targeted embolization using N-butyl cyanoacrylate and coils resulted in durable hematoma resolution without further recurrence. This case highlights the importance of detailed vascular assessment with 3D-RA when MMA embolization fails.