Publications by authors named "Nagatoshi Boku"

Article Synopsis
  • A study of 534 patients with cerebral arteriovenous malformations treated using gamma knife radiosurgery (GKRS) showed high cumulative complete obliteration rates within 7 years, ranging from 92% for small volumes to 43% for larger volumes.
  • Bleeding post-GKRS occurred in 8.1% of patients, with higher risks in those who had larger niduses and previous bleeding episodes.
  • Cyst formation was observed in 4.7% of patients, with two-thirds requiring surgical intervention, indicating a need for improved GKRS techniques for more effective treatment outcomes.
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A 29-year-old woman presented with a primary meningeal melanocytoma of the left middle fossa manifesting as headache and nausea. Computed tomography (CT) with contrast medium demonstrated a clearly demarcated, homogeneously enhanced high density area surrounded by a cyst in the left temporal lobe. Magnetic resonance (MR) imaging showed the mass as a slightly high signal intensity area on the T1-weighted image and as a low signal intensity area on the T2-weighted image.

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