Minimally invasive single-stage hybrid strategy for ruptured dissecting fusiform proximal posterior inferior cerebellar artery aneurysm: how I do it - Takeaways - MDSpire

Minimally invasive single-stage hybrid strategy for ruptured dissecting fusiform proximal posterior inferior cerebellar artery aneurysm: how I do it

  • By

  • Gahn Duangprasert

  • Dilok Tantongtip

  • January 8, 2026

  • 0 min

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  • 1

    Posterior inferior cerebellar artery aneurysms are rare, comprising less than 5% of aneurysmal subarachnoid hemorrhage cases.

  • 2

    Proximal PICA aneurysms require careful surgical exposure due to their deep location and risk of cranial nerve deficits.

  • 3

    A hybrid surgical approach allows for simultaneous microsurgical and endovascular techniques, improving patient outcomes.

  • 4

    The PICA-PICA bypass is performed under high magnification, ensuring minimal cerebellar retraction and effective anastomosis.

  • 5

    Endovascular coil embolization successfully occluded the aneurysm while preserving PICA flow through the bypass.

Original Source(s)

Minimally invasive single-stage hybrid strategy for ruptured dissecting fusiform proximal posterior inferior cerebellar artery aneurysm: how I do it

  • by Gahn Duangprasert, Dilok Tantongtip

  • January 8, 2026

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