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Related Experiment Videos

Thalamic tumors: clinical presentation.

Juan F Martínez-Lage1, Miguel A Pérez-Espejo, Juan A Esteban

  • 1Unit of Pediatric Neurosurgery, Hospital Universitario Virgen de la Arrixaca, 30120 Murcia, Spain. jfmlage@arrixaca.huva.es

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|August 23, 2002
PubMed
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Thalamic tumors (TTs) are rare intracranial neoplasms primarily affecting children and young adults. Common symptoms include raised intracranial pressure, motor deficits, and seizures, though acute presentations can occur.

Area of Science:

  • Neuro-oncology
  • Pediatric Neurology

Background:

  • Thalamic tumors (TTs) represent approximately 1% of intracranial neoplasms.
  • These tumors predominantly affect children and young adults, with most childhood cases being low-grade glial tumors.
  • Symptom onset is typically more rapid in children than adults.

Purpose of the Study:

  • To review the clinical presentation of thalamic tumors in pediatric patients.
  • To compare clinical findings in a cohort of 20 children with TTs to existing literature.

Main Methods:

  • Retrospective review of clinical data from 20 pediatric patients diagnosed with TTs.
  • Comparison of observed clinical features with findings reported in current medical literature.

Main Results:

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  • Raised intracranial pressure (65%), motor deficits (40%), and seizures (35%) were the most frequent clinical manifestations.
  • Acute presentations occurred in 20% of patients; subacute or slow evolution was more common.
  • Behavioral/mental changes (25%), involuntary movements (10%), and thalamic syndrome (5%) were less common.

Conclusions:

  • Clinical features of pediatric thalamic tumors often relate to mass effect on adjacent structures.
  • Symptoms vary, with raised intracranial pressure and neurological deficits being prominent.
  • Infants may present with macrocephaly, developmental delay, or visual disturbances.