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Continuous giggling and autistic disorder associated with hypothalamic hamartoma
Angeles Pérez-Jiménez1, Fransisco J Villarejo, María Concepción Fournier del Castillo
1Clinical Neurophysiology section, Niño Jesús University Hospital, Madrid, Spain. mperez.hnjs@salud.madrid.org
Summary
Early surgical treatment of hypothalamic hamartomas can resolve epileptic encephalopathy and associated symptoms like giggling and falls in children. This intervention also led to significant improvements in autistic behaviors.
Area of Science:
- Pediatric Neurology
- Epileptology
- Developmental Neuroscience
Background:
- Hypothalamic hamartomas are rare congenital tumors associated with various neurological issues.
- Epileptic encephalopathy in infancy can manifest with complex, subtle ictal behaviors.
- Autistic disorder can present with or be exacerbated by neurological comorbidities.
Observation:
- A case of infantile epileptic encephalopathy presenting with recurrent giggling, head drops, and falls, alongside autistic disorder.
- Scalp video-electroencephalography (EEG) identified generalized slow spike-and-wave complexes correlating with clinical events.
- Surgical resection of a hypothalamic hamartoma was performed at age two.
Findings:
- Post-surgical follow-up showed complete resolution of giggling and falls.
- Significant improvement in autistic behaviors was observed within 22 months.
- The case highlights the link between hypothalamic hamartomas, epileptic encephalopathy, and behavioral changes.
Implications:
- Early recognition of subtle ictal manifestations in infants and children is crucial.
- Surgical intervention for hypothalamic hamartomas in cases of epileptic encephalopathy can be highly effective.
- This case supports the consideration of early surgical treatment when feasible for improved neurodevelopmental outcomes.