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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.
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[Pediatric ependymomas: Current diagnosis and therapy].

Didier Frappaz1, Alexandre Vasiljevic2, Pierre-Aurelien Beuriat3

  • 1Centre Léon-Bérard, institut d'hématologie et oncologie pédiatrique, département de neuro-oncologie, place Professeur-Joseph-Renaut, 69008 Lyon, France.

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Ependymomas are pediatric brain tumors where complete surgical removal is key. Treatment varies by age, with infants receiving chemotherapy and children often undergoing radiation, while targeted therapies are emerging.

Keywords:
Biologie moléculaireChemotherapyChimiothérapieChirurgieEpendymomaMolecular biologyRadiotherapyRadiothérapieSurgeryÉpendymome

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Area of Science:

  • Pediatric Oncology
  • Neuro-oncology
  • Molecular Biology

Background:

  • Ependymomas constitute 10% of pediatric brain tumors.
  • The WHO 2016 classification integrates localization and molecular data.
  • Total tumor removal is a critical prognostic factor across all age groups.

Purpose of the Study:

  • To review current management strategies for pediatric ependymomas.
  • To highlight the evolving role of molecular biology in diagnosis and treatment.
  • To discuss therapeutic approaches for newly diagnosed and relapsed ependymomas.

Main Methods:

  • Review of current literature and clinical guidelines.
  • Emphasis on surgical, radiation, and chemotherapeutic strategies.
  • Integration of molecular pathology findings.

Main Results:

  • Complete surgical resection remains the primary goal.
  • Focal radiation is standard for children; chemotherapy is standard for infants.
  • Chemotherapy's role in children is under investigation via randomized trials.

Conclusions:

  • Further research into ependymoma mechanisms is crucial for developing targeted therapies.
  • Targeted therapies may soon be used as first-line treatment for specific subgroups.
  • Enrollment in clinical trials, including SIOP ependymoma II, is encouraged for optimal outcomes.