Microsurgical anatomy of the anterior inferior cerebellar artery- systematic review with meta-analysis

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The anterior inferior cerebellar artery (AICA) originates from the basilar artery and supplies critical areas of the cerebellum and cranial nerves.
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AICA's anatomical variations and relationships with cranial nerves can lead to compression syndromes, necessitating microvascular decompression.
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Tumors in the cerebellopontine angle can distort neurovascular structures, increasing the risk of iatrogenic AICA lesions during surgery.
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This systematic review and meta-analysis aimed to enhance understanding of AICA's anatomy to aid clinicians and neurosurgeons in surgical procedures.
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The study identified a high risk of bias in included studies, particularly regarding demographic data and methodological rigor.

Acta Neurochirurgica

by Jonasz Tempski, Grzegorz Fibiger, Radosław Chudy, Jakub Pękala, Katarzyna Majka, Oliwia Andrasz, Ignacy Jastrzębski, Dominik Łazarz, Kamil Możdżeń, Stanisław Adamski, Jerzy A. Walocha, Przemysław Pękala, R Shane Tubbs
February 20, 2026

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