Blurred Vision Caused by Inflammation of the Optic Nerves Due to a Pituitary Abscess-Case Report-

  • UTSUKI Satoshi
    Department of Neurosurgery, Kitasato University School of Medicine Department of Neurosurgery, Kitasato Institute Medical Center Hospital
  • OKA Hidehiro
    Department of Neurosurgery, Kitasato University School of Medicine
  • TANAKA Satoshi
    Department of Neurosurgery, Kitasato Institute Medical Center Hospital
  • IWAMOTO Kazuhisa
    Department of Neurosurgery, Kitasato University School of Medicine Department of Neurosurgery, Kitasato Institute Medical Center Hospital
  • HASEGAWA Hitomi
    Department of Internal Medicine, Kitasato Institute Medical Center Hospital
  • HIROSE Ryuichi
    Department of Internal Medicine, Kitasato Institute Medical Center Hospital
  • FUJII Kiyotaka
    Department of Neurosurgery, Kitasato University School of Medicine

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  • —Case Report—

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A 48-year-old woman was admitted to our institution complaining of headache and a 2-month history of blurred vision and increased urinary volume. T1-weighted magnetic resonance (MR) imaging with gadolinium showed a ring-enhanced mass lesion in the pituitary. Fluid-attenuated inversion recovery MR imaging showed high-intensity lesions in the optic nerves, hypothalamus, and thalamus. The histological diagnosis was pituitary abscess. The blurred vision was caused by inflammation, but not compression, of the optic nerves due to the pituitary abscess outside the hypophysis.<br>

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