Assessment of neurovascular compression in patients with trigeminal neuralgia with a boundary fusion three-dimensional magnetic resonance cisternogram/angiogram

Toru Satoh, Megumi Omi, Chika Ohsako, Keisuke Onoda, Isao Date

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Precise assessment of the complex nerve-vessel relationship at the root entry zone (REZ) of the trigeminal nerve is useful for the planning of the microvascular decompression CMVD) in patients with trigeminal neuralgia. We have applied a boundary imaging of fusion three-dimensional (3D) magnetic resonance (MR) cisternogram/angiogram. The boundary imaging allows virtual assessment of the spatial relationship of the neurovascular compression at the REZ of the trigeminal nerve. The boundary images depicted complex anatomical relationship of the offending vessels to the trigeminal nerve REZ. The presence of offending vessels, compressive site, and degree of neurovascular compression were assessed from various viewpoints in the cistern and virtually through the brainstem and trigeminal nerve per se. The 3D visualization of the nerve-vessel relationship with fusion images was consistent with the intraoperative findings. The boundary fusion 3D MR cisternogram/angiogram may prove a useful adjunct for the diagnosis and decision-making process to execute the MVD in patients with trigeminal neuralgia.

Original languageEnglish
Pages (from-to)33-41
Number of pages9
JournalNeurological Surgery
Volume35
Issue number1
Publication statusPublished - Jan 2007

Keywords

  • Cranial nerve
  • MR cisternography
  • Neurovascular compression
  • Trigeminal neuralgia

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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