Related Experiment Video
Updated: Aug 16, 2026

Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
Published on: September 20, 2024
[A child with choreic movement, generalized convulsion and severe neurological deterioration responded to
Yoichiro Nakae1, Mana Kurihara, Toshitaka Kohagizawa
1Department of Pediatrics, Kanagawa Rehabilitation Hospital, Atsugi, Kanagawa. nakae@msj.biglobe.ne.jp
Insights
A pediatric autoimmune disorder caused severe neurological symptoms in a young girl. Prompt cyclophosphamide treatment led to significant recovery, suggesting an antiphospholipid syndrome-like mechanism.
Area of Science:
- Pediatric Neurology
- Autoimmunology
- Rheumatology
Background:
- Autoimmune disorders can present with severe neurological manifestations in children.
- Antiphospholipid syndrome (APS) is characterized by autoantibodies and thrombotic events, but pediatric cases with neurological symptoms are less understood.
Observation:
- A 3-year-old girl experienced acute hemiplegia, seizures, chorea, and rapid motor decline, becoming bedridden.
- The patient exhibited a severe, progressive neurological deficit suggestive of a systemic autoimmune process.
Findings:
- Intravenous cyclophosphamide pulse therapy induced a remarkable clinical improvement.
- The child recovered significantly, with only mild dysarthria remaining by age six.
- The clinical presentation and response to treatment suggested an autoimmune pathogenesis, potentially similar to antiphospholipid syndrome.
Implications:
- Cyclophosphamide therapy may be effective in treating pediatric neurological autoimmune conditions with APS-like features.
- Early diagnosis and aggressive immunosuppressive treatment can lead to substantial recovery in affected children.
- Further research into pediatric autoimmune neurological disorders and their management is warranted.
Abstract:
A 3-year-old girl developed right hemiplegia with acute onset, followed by generalized convulsion, choreic movement, and severe motor deterioration. She became bed-ridden a few months after the onset. Intravenous cyclophosphamide pulse therapy resulted in a remarkable improvement of her clinical symptoms. At age of six, she has recovered markedly with the residual symptom of minimum dysarthria. Autoimmune mechanism similar to the antiphospholipid syndrome was considered to be the pathogenesis of this case.
Related Concept Videos
Rocky Mountain Spotted Fever
Pharmaceutical Poisoning: Treatment Strategies
Chemotherapy-Induced Nausea and Vomiting: Dopamine Receptor Antagonists
Phenothiazines, such as prochlorperazine...
Hepatic Encephalopathy
Anticholinesterase Agents: Poisoning and Treatment
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is slower than the...
Myasthenia Gravis: Overview and Treatment
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which leads...