Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Temporal lobe epilepsy caused by dermoid cyst.

Hidenori Sugano1, Hiroyuki Shimizu, Shigeki Sunaga

  • 1Department of Neurosurgery, Tokyo Metropolitan Neurological Hospital, Japan. debo@med.juntendo.ac.jp

Neurologia Medico-Chirurgica
|April 26, 2006
PubMed
Summary

A temporal lobe dermoid cyst caused complex partial seizures in a teen. Surgical removal and hippocampal treatment resolved seizures, highlighting electrocorticography

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ictal phase-amplitude coupling supports surgical decision-making in MRI-negative epilepsy with non-localizing SEEG: an illustrative case.

Acta neurochirurgica·2026
Same author

Longitudinal changes in developmental trajectory following early hemispherotomy in early infantile developmental and epileptic encephalopathy.

Epilepsy & behavior reports·2026
Same author

Propagation concordance index reflects spatial proximity to the spike generator by linking interictal spikes with stimulation-induced neural propagation.

Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology·2026
Same author

First-year Experience with Brivaracetam in Japan: Real-world Data from Juntendo Epilepsy Center.

Neurologia medico-chirurgica·2026
Same author

Effective connectivity between homologous cortices mediated by the corpus callosum: An axono-cortical evoked potentials study.

Clinical neurophysiology practice·2026
Same author

SEEG dynamic tractography-based spike source localization is useful across diverse brain regions and etiologies.

NeuroImage·2026

Area of Science:

  • Neurosurgery
  • Neurology
  • Pediatric Epilepsy

Background:

  • Dermoid cysts, a type of germ cell tumor, can occur in the brain.
  • Temporal lobe epilepsy is often associated with complex partial seizures.
  • Surgical intervention is a key treatment for intractable epilepsy.

Observation:

  • A 15-year-old boy presented with complex partial seizures due to a left temporal lobe dermoid cyst.
  • MRI revealed a subdural tumor compressing the hippocampus and amygdala.
  • Intraoperative electrocorticography (ECoG) identified epileptogenic activity in adjacent brain regions.

Findings:

  • Complete surgical resection of the dermoid cyst and surrounding gliotic tissue was achieved.
  • Transection of the hippocampal pyramidal layer preserved verbal memory function.

Related Experiment Videos

  • Post-operative seizure cessation confirmed the efficacy of the surgical approach.

    • Implications:

    • This case underscores the importance of ECoG in localizing epileptogenic zones, even with non-invasive tumors.
    • Surgical management of temporal lobe dermoid cysts can effectively treat associated epilepsy.
    • Preservation of hippocampal function during surgery is crucial for cognitive outcomes in pediatric epilepsy patients.