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Seizures: Classification

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: Overview

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...

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Author Spotlight: Advancing Pediatric Epilepsy Surgery in Children Through Novel Biomarkers and Enhanced Localization

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Visual epilepsy in glioblastoma multiforme.

P K S Chong¹, A V P Loo

¹Department of Ophthalmology, Hospital Kuala Lumpur, Jalan Pahang, 50586 Kuala Lumpur, Malaysia.

The Medical Journal of Malaysia

|October 7, 2009

Summary

This summary is machine-generated.

A 33-year-old man with visual epilepsy and increased intracranial pressure was diagnosed with glioblastoma multiforme (GBM) via MRI and biopsy. Surgical removal and radiotherapy led to recovery, with residual visual field defects improving over time.

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Tumor Treating Field Therapy in Combination with Bevacizumab for the Treatment of Recurrent Glioblastoma

Tumor Treating Field Therapy in Combination with Bevacizumab for the Treatment of Recurrent Glioblastoma

Published on: October 27, 2014

Area of Science:

Neuro-oncology
Neurosurgery
Neurology

Background:

Glioblastoma multiforme (GBM) is an aggressive primary brain tumor.
Visual epilepsy and raised intracranial pressure can be presenting symptoms of occipital lobe tumors.
Accurate diagnosis and timely surgical intervention are crucial for managing brain malignancies.

Observation:

A 33-year-old gentleman presented with visual epilepsy and symptoms of increased intracranial pressure.
Magnetic Resonance Imaging (MRI) revealed a large, contrast-enhancing mass in the right occipital lobe.
Clinical examination showed normal visual fields and acuity despite the significant intracranial mass.

Findings:

Histological examination confirmed the diagnosis of glioblastoma multiforme (GBM).
Surgical resection (craniotomy and excision) of the tumor was performed.
The patient received adjuvant radiotherapy following surgery.

Implications:

Early diagnosis and aggressive treatment of GBM can lead to improved patient outcomes.
Post-operative visual field defects, such as homonymous quadrantropia, may occur but can improve with time.
This case highlights the importance of comprehensive neuroimaging and histopathological confirmation in diagnosing and treating brain tumors presenting with atypical neurological symptoms.