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March 26, 2026Operative Neurosurgery

Comparison of Surgical Exposure and Outcomes Between the Subtonsillar and Infrafloccular Approaches in Microvascular Decompression for Hemifacial Spasm

Sayyid Abdil Hakam Perkasa Yukihiro Goto Bryan De Liyis Ryan Rhiveldi Keswani Mustaqim Prasetya Abrar Arham Shigeto Hatakenaka J. YAMASHITA Satoshi Ihara Riku Ishimaru Takashi Iimori Ryo Oike Yasuaki Inoue Takuro Inoue

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Key Points

The aim is to compare the surgical exposure and outcomes of the subtonsillar and infralfloccular approaches in microvascular decompression for hemifacial spasm.
Comparison of surgical exposure between subtonsillar and infralfloccular approaches.
Assessment of outcomes including auditory morbidity and nerve dissection efficiency.
The subtonsillar approach improves inferior access for vessel manipulation.
It reduces mastoid disruption compared to the infralfloccular approach.
The subtonsillar approach is associated with lower auditory morbidity.

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Implication

Comparison evaluates surgical exposure and outcomes in hemifacial spasm, suggesting a safer alternative approach.

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Cite This Study

Perkasa et al. (2026) studied this question.

synapsesocial.com/papers/69c771518bbfbc51511e1401 https://doi.org/10.1227/ons.0000000000001983

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