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Published on: November 23, 2013
[A case of limbic encephalitis associated with leucine-rich glioma-inactivated 1 antibody]
Hiroshi Yaguchi1, Toshiaki Hirai, Akira Kurita
1Department of Neurology, The Jikei University Kashiwa Hospital.
Abstract:
We report a 55-year-old woman with limbic encephalitis associated with leucine-rich glioma-inactivated 1 (LGI1) antibody. She first developed a generalized seizure, following by consciousness loss. Although anticonvulant was initially effective, she began to present frequently with seizure and memory impairment. After eleven months from onset, she was admitted due to generalized seizure. Neurological examination after recovering from the treatment with anesthetic agent demonstrated disorientation and memory impairment. Cerebrospinal fluid analysis was unremarkable. MR brain FLAIR imaging demonstrated high intensity lesions in the medial parts of the both temporal lobes, suggesting limbic encephalitis. There were no signs of malignant tumor detected on systemic examination. LGI1 antibody was positive in the cerebrospinal fluid and we finally diagnosed this patient as having limbic encephalitis associated with LGI1 antibody. She demonstrated a good response to steroid therapy and was discharged after one month.
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