Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2021
Late-onset acute disseminated encephalomyelitis followed by optic neuritis without anti-myelin oligodendrocyte glycoprotein antibodies: a biopsied case report.
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Mori Makoto, Sakai Kenji, Tada Yasutake, Nozaki Ichiro, Usui Yuta, Ichinose Toshiya, Tanaka Shingo, Takahashi Toshiyuki, Nakada Mitsutoshi, Yamada Masahito
Аннотация
BACKGROUND: Acute disseminated encephalomyelitis (ADEM) followed by optic neuritis (ADEM-ON) is characterized by the following features: early onset, monophasic or multiphasic ADEM followed by one or more episodes of ON, and the presence of serum anti-myelin oligodendrocyte glycoprotein (MOG) antibodies.
CASE REPORT: We report a case of ADEM-ON without anti-MOG antibodies in a 78-year-old woman. The patient developed acute-onset neurological findings and was diagnosed with ADEM. She was treated with intravenous methylprednisolone (IVMP), and oral corticosteroids. Her clinical symptoms and MRI findings subsequently improved. Left optic neuritis emerged 6 months later, and we made a diagnosis of ADEM-ON. A brain biopsy performed during the acute phase of ADEM showed perivascular infiltration of macrophages with demyelination.
CONCLUSION: The majority of the reported ADEM-ON cases are pediatric cases with serum anti-MOG antibodies, but our patient was the elderly, without anti-MOG antibodies. Moreover, the pathological features of our case were similar to those observed in patients with typical ADEM and in patients with anti-MOG antibody-positive ADEM. Although ADEM-ON is related to the presence of anti-MOG antibodies, factors other than anti-MOG antibodies could contribute to the development of ADEM-ON.
CASE REPORT: We report a case of ADEM-ON without anti-MOG antibodies in a 78-year-old woman. The patient developed acute-onset neurological findings and was diagnosed with ADEM. She was treated with intravenous methylprednisolone (IVMP), and oral corticosteroids. Her clinical symptoms and MRI findings subsequently improved. Left optic neuritis emerged 6 months later, and we made a diagnosis of ADEM-ON. A brain biopsy performed during the acute phase of ADEM showed perivascular infiltration of macrophages with demyelination.
CONCLUSION: The majority of the reported ADEM-ON cases are pediatric cases with serum anti-MOG antibodies, but our patient was the elderly, without anti-MOG antibodies. Moreover, the pathological features of our case were similar to those observed in patients with typical ADEM and in patients with anti-MOG antibody-positive ADEM. Although ADEM-ON is related to the presence of anti-MOG antibodies, factors other than anti-MOG antibodies could contribute to the development of ADEM-ON.