Rasmussen's encephalitis presenting as focal cortical dysplasia.

Area of Science:

• Neurology
• Neuroscience
• Epileptology

Background:

• Rasmussen's encephalitis is a rare, chronic inflammatory neurological disease affecting one cerebral hemisphere.
• It is characterized by frequent, intractable seizures and progressive neurological deficits.
• Standard antiepileptic drugs are often ineffective, necessitating alternative treatment approaches.

Observation:

• This report details a rare case of Rasmussen's encephalitis co-occurring with focal cortical dysplasia (FCD).
• The patient presented with symptoms characteristic of Rasmussen's encephalitis, complicated by the presence of FCD.
• Epilepsia partialis continua was a prominent feature, resistant to conventional antiepileptic drug therapy.

Findings:

• The co-existence of Rasmussen's encephalitis and FCD represents a rare dual pathology.
• This combination poses diagnostic and therapeutic challenges, as FCD can alter the typical presentation and progression of Rasmussen's encephalitis.
• Surgical intervention is often considered for refractory seizures in such complex cases.

Implications:

• Understanding this dual pathology is crucial for refining diagnostic criteria and treatment protocols for Rasmussen's encephalitis.
• The presence of FCD may influence surgical planning and prognosis.
• Further research into the pathophysiology of combined Rasmussen's encephalitis and FCD is warranted to improve patient outcomes.