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<p>Traumatic pseudoaneurysms of the vertebrobasilar artery are rare and may occur without skull fractures. Standard CTA may miss or misinterpret these lesions due to technical limitations and low clinical suspicion, leading to significant diagnostic and medicolegal errors; We present two cases of fatal isolated traumatic subarachnoid hemorrhage (iTSAH), where optimized thin-slice CTA, identified pseudoaneurysms of the PICA and VA (V4 segment), confirmed by histopathology.</p> Graphical abstract <p></p>

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Traumatic vertebrobasilar pseudoaneurysms: diagnostic pitfalls on CT angiography with forensic implications — two case reports

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月7日

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  • Numfon Tweeatsani,
  • Kana Unuma,
  • Yukiko Uemura,
  • Hirotaro Iwase,
  • Yohsuke Makino

摘要

Traumatic pseudoaneurysms of the vertebrobasilar artery are rare and may occur without skull fractures. Standard CTA may miss or misinterpret these lesions due to technical limitations and low clinical suspicion, leading to significant diagnostic and medicolegal errors; We present two cases of fatal isolated traumatic subarachnoid hemorrhage (iTSAH), where optimized thin-slice CTA, identified pseudoaneurysms of the PICA and VA (V4 segment), confirmed by histopathology.

Graphical abstract