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Gliosarcoma with neuroaxis metastases.

Rui Ramos1, Nuno Morais2, Ana Isabel Silva3

  • 1Department of Neurosurgery, Hospital de Braga, Braga, Portugal.

BMJ Case Reports
|December 2, 2015
PubMed
Summary
This summary is machine-generated.

This case report details a rare instance of gliosarcoma metastasis spreading through cerebrospinal fluid to the brain and spinal cord. This highlights an unusual pathway for gliosarcoma dissemination.

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Area of Science:

  • Neuro-oncology
  • Pathology

Background:

  • Gliosarcomas are rare central nervous system tumors known for metastasis.
  • Extraneural metastasis typically occurs via the bloodstream (hematogenous route).
  • Spread through cerebrospinal fluid (CSF) is exceptionally uncommon.

Observation:

  • A 58-year-old male presented with a temporal lobe lesion diagnosed as gliosarcoma.
  • Following resection, radiotherapy, and chemotherapy, the patient developed leptomeningeal metastases.
  • Tumor recurrence and spread within the brain and spinal cord were identified via MRI, despite the patient remaining neurologically intact.

Findings:

  • This case represents the first reported instance of gliosarcoma metastasizing to the leptomeninges of the brain and spinal cord via CSF.
  • The findings challenge the typical understanding of gliosarcoma metastatic pathways.

Implications:

  • This case expands the known spectrum of gliosarcoma behavior and metastatic potential.
  • It underscores the importance of considering leptomeningeal spread in gliosarcoma surveillance, even in the absence of overt neurological deficits.
  • Further research into CSF-mediated metastasis in gliosarcoma is warranted.