Temporal lobe epilepsy in infants and children

Area of Science:

• Neurology
• Pediatric Neurology
• Epileptology

Background:

• Temporal lobe epilepsy (TLE) in children exhibits distinct clinical and etiological profiles compared to adults.
• Etiologies in pediatric TLE are diverse, frequently involving cortical dysplasia, low-grade tumors, and perinatal insults.
• Hippocampal sclerosis, while less common, can occur as dual pathology with neocortical lesions in children.

Purpose of the Study:

• To delineate the unique clinical expression, etiology, and neuropsychological characteristics of temporal lobe seizures in infants and children.
• To highlight the differences in semiology and presentation between pediatric and adult TLE.
• To emphasize the importance of individualized cognitive assessment for optimizing care.

Main Methods:

• Review and synthesis of existing literature on pediatric temporal lobe seizures.
• Analysis of clinical semiology, etiological factors, and neuroimaging findings in pediatric populations.
• Examination of age-dependent variations in seizure presentation and neuropsychological outcomes.

Main Results:

• Pediatric TLE is characterized by a broader range of etiologies, including cortical dysplasia, tumors, and perinatal damage.
• Clinical semiology is more varied and often misleading in children, with motor features and infantile spasms predominating in infants.
• Classical complex partial seizures and lateralizing signs are less frequent in younger children, typically appearing after age two.
• Aura, emotional, and autonomic signs appear independent of brain maturation.
• Neuropsychological profiles are influenced by age of onset, seizure duration, focus lateralization, and etiology.

Conclusions:

• Temporal lobe seizures in children present with significant differences in etiology and clinical expression compared to adults.
• The varied semiology necessitates careful clinical evaluation, distinguishing infantile presentations from those in older children.
• Individualized cognitive assessments are crucial for effective management and improving the quality of life for children with TLE.