Lesions of the Inferior Olive in Cases of Autoimmune GFAP Astrocytopathy: A Case Series Report - Takeaways - MDSpire

Lesions of the Inferior Olive in Cases of Autoimmune GFAP Astrocytopathy: A Case Series Report

  • By

  • Haruka Kuwashige

  • Atsuhiko Sugiyama

  • Shinji Aoyama

  • Hideo Handa

  • Mitsuyoshi Tamura

  • Hiroki Masuda

  • Yuki Nakagawa

  • Masahiro Namiki

  • Hajime Yokota

  • Hiroki Mukai

  • Akio Kimura

  • Takayoshi Shimohata

  • Masahiro Mori

  • January 31, 2026

  • 0 min

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  • 1

    Autoimmune GFAP astrocytopathy is characterized by IgG autoantibodies against GFAP, leading to neurological symptoms and inflammatory responses.

  • 2

    Characteristic MRI findings include perivascular radial enhancement and T2 hyperintensity in the posterior thalamus and spinal cord.

  • 3

    The report details two cases of patients with autoimmune GFAP astrocytopathy showing lesions in the inferior olivary nuclei on MRI.

  • 4

    Both patients exhibited severe neurological symptoms, including tremors, disorientation, and autonomic dysfunction, requiring intensive treatment.

  • 5

    Treatment with intravenous immunoglobulin and corticosteroids led to significant clinical improvement and resolution of MRI lesions over time.

Original Source(s)

Lesions of the Inferior Olive in Cases of Autoimmune GFAP Astrocytopathy: A Case Series Report

  • by Haruka Kuwashige, Atsuhiko Sugiyama, Shinji Aoyama, Hideo Handa, Mitsuyoshi Tamura, Hiroki Masuda, Yuki Nakagawa, Masahiro Namiki, Hajime Yokota, Hiroki Mukai, Akio Kimura, Takayoshi Shimohata, Masahiro Mori

  • January 31, 2026

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