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[Dysembrioplastic neuroepithelial tumors].

F Villarejo1, C Alvarez-Sastre, J V Martínez-Quiñones

  • 1Servicio de Neurocirugía, Hospital Infantil Niño Jesús, Madrid, España.

Revista De Neurologia
|March 4, 2000
PubMed
Summary
This summary is machine-generated.

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Dysembryoplastic neuroepithelial tumors (DNETs) are rare brain tumors characterized by seizures. Surgical lesionectomy offers excellent outcomes, with most patients becoming seizure-free.

Area of Science:

  • Neuro-oncology
  • Pediatric Neurosurgery

Background:

  • Dysembryoplastic neuroepithelial tumors (DNETs) are rare glioneuronal tumors.
  • Histologically, DNETs exhibit multinodular architecture and cortical dysplasia.
  • Clinically, DNETs often present with long-standing seizures.

Observation:

  • This study reviewed 4 cases of DNETs from a larger cohort of 470 nervous system tumors.
  • Patients underwent surgical lesionectomy.
  • Follow-up ranged from 1 to 5 years.

Findings:

  • All 4 DNET cases showed excellent post-operative outcomes (Engel Class I).
  • Lesionectomy, including a 1 cm margin, was effective in seizure control.
  • Radiologically, DNETs appear as non-displacing cystic and solid cortical lesions.

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Implications:

  • DNETs are amenable to surgical resection with high success rates.
  • Early diagnosis and surgical intervention can lead to seizure freedom.
  • DNETs represent a distinct entity within neuroepithelial tumors requiring specific management.