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Related Experiment Videos

Multiple intracranial mixed germ cell tumors

T Kumabe1, T Tominaga, T Yoshimoto

  • 1Department of Neurosurgery, Tohoku University School of Medicine, Sendai, Japan.

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|March 1, 1997
PubMed
Summary

This case study describes a rare instance of multiple intracranial germ cell tumors occurring sequentially in an 8-year-old boy. It highlights the importance of considering distant metastasis or multicentricity in long-term treatment strategies for these rare brain tumors.

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Clinical neuroradiology·2014

Area of Science:

  • Pediatric Oncology
  • Neuro-oncology
  • Germ Cell Tumors

Background:

  • Intracranial germ cell tumors (GCTs) are rare, comprising approximately 0.4-1.8% of all primary brain tumors in children.
  • Mixed GCTs, containing elements of more than one germ cell type, present unique diagnostic and therapeutic challenges.
  • Sequential occurrence of multiple GCTs is exceptionally rare, necessitating careful long-term surveillance and management strategies.

Observation:

  • An 8-year-old boy presented with a cystic, calcified basal ganglia tumor and elevated serum alpha-fetoprotein, initially treated with radiotherapy.
  • Six years post-initial treatment, a second, distinct GCT (embryonal carcinoma and immature teratoma) developed in the right temporo-parietal lobe.
  • The patient underwent successful surgical resection and subsequent radiochemotherapy for the recurrent tumor.

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Findings:

  • This case demonstrates the potential for sequential development of multiple intracranial GCTs in a single patient.
  • The findings suggest that initial GCTs may not confer complete immunity, and new primary or metastatic lesions can arise.
  • Elevated serum markers like alpha-fetoprotein are crucial for diagnosis and monitoring of GCTs.

Implications:

  • The possibility of multicentricity or distant intra-axial metastasis must be considered in the long-term management of intracranial GCTs.
  • Treatment protocols for intracranial GCTs should incorporate vigilant surveillance for new tumor development.
  • This case underscores the complexity of GCTs and the need for individualized, long-term follow-up plans in pediatric neuro-oncology.