[Epilepsy surgery in children with focal cortical dysplasias]

Francisco J Villarejo-Ortega1, Juan Álvarez-Linera Prado, M Ángeles Pérez-Jiménez

  • 1Hospital Infantil Universitario Nino Jesus, 28009 Madrid, Espana.

Revista De Neurologia
|July 31, 2013
PubMed

Insights

Focal cortical dysplasias (FCD) are a leading cause of pediatric epilepsy surgery. Advances in pre-surgical diagnosis and surgical techniques improve outcomes for children with FCD, even in challenging cases.

Area of Science:

  • Neuroscience
  • Pediatric Neurology
  • Neurosurgery

Background:

  • Focal cortical dysplasias (FCD) are the primary cause of medically intractable epilepsy in children requiring surgical intervention.
  • Pre-surgical assessment for FCD is challenging due to potential for preserved neurological function and subtle or absent MRI findings.
  • Successful surgical outcomes depend on accurate lesion identification and complete resection of dysplastic tissue.

Purpose of the Study:

  • To review current literature and expert experience on the pre-surgical assessment and neurosurgical management of pediatric epilepsy due to FCD.
  • To discuss FCD classifications, post-surgical prognostic factors, and distinct anatomo-clinical phenotypes in children.
  • To explore current challenges and future directions in the surgical treatment of FCD-related epilepsy.

Main Methods:

  • Literature review focusing on pre-surgical assessment and neurosurgical management of pediatric FCD.
  • Analysis of surgical series data, including FCD classifications and post-surgical outcomes.
  • Description of distinct anatomo-clinical phenotypes and their surgical implications.

Main Results:

  • Improved pre-surgical diagnostic methods and surgical procedures enable earlier and more successful treatments for FCD.
  • Identification of specific anatomo-electro-clinical phenotypes allows for tailored surgical approaches and prognostic expectations.
  • Outcomes vary by FCD subtype, with better prognoses for transmantle-type FCD IIb and bottom-of-sulcus dysplasias compared to multilobe FCD I.

Conclusions:

  • Advances in diagnosis and surgery are improving outcomes for pediatric epilepsy patients with FCD.
  • Tailoring surgical strategies based on identified FCD phenotypes enhances treatment success.
  • Further research into FCD classification and management is crucial for optimizing patient care.
Abstract

Related Concept Videos

Epilepsy ll: Types01:22

Epilepsy ll: Types

Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.
Seizures: Classification01:13

Seizures: Classification

Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
Seizures l: Introduction01:20

Seizures l: Introduction

Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...