• Internal medicine · Oct 2021

    Review Case Reports

    Irreversible Homonymous Hemianopia Associated with Severe Hyperglycemia and Cerebral Hyperperfusion: A Case Report and Literature Review.

    • Yuya Kobayashi, Ryo Itabashi, Takuya Saito, Yuichi Kawabata, and Yukako Yazawa.
    • Department of Stroke Neurology, Kohnan Hospital, Japan.
    • Intern. Med. 2021 Oct 1; 60 (19): 3161-3166.

    AbstractA 68-year-old man was admitted to our department because of left incomplete homonymous hemianopia accompanied by hyperglycemia. Both T2-weighted and diffusion-weighted imaging revealed a low signal intensity along the subcortex and high signal intensity along the cortex on the right parietal and occipital lobes. Furthermore, arterial spin labeling and single-photon emission computed tomography showed hyperperfusion at the right parieto-occipital lobe. However, the electroencephalography result was normal. Hyperperfusion improved after controlling the blood glucose levels; nevertheless, homonymous hemianopia remained. We suspect that the irreversible brain damage was attributable to hyperperfusion associated with long-term hyperglycemia.

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