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Chordoid meningioma: a case report.

Je-young Yeon1, Jung-Il Lee, Jong-Hyun Kim

  • 1Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.

Journal of Korean Medical Science
|October 14, 2003
PubMed
Summary

Chordoid meningioma, a rare tumor variant, was identified in an adult without anemia or dysgammaglobulinemia. This case highlights the diverse clinical presentations of this uncommon brain tumor.

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Area of Science:

  • Neuro-oncology
  • Pathology

Background:

  • Chordoid meningioma is a rare variant of meningioma, pathologically resembling chordoma.
  • It is infrequently associated with microcytic anemia and/or dysgammaglobulinemia, particularly in pediatric cases.

Observation:

  • A 33-year-old male presented with a 7-year history of worsening visual field defect.
  • Neurological examination revealed left homonymous hemianopsia.
  • Brain MRI demonstrated a right temporo-occipital mass with a cystic component.

Findings:

  • Histopathology confirmed chordoid meningioma, characterized by eosinophilic, vacuolated cells in a myxoid matrix with lymphoplasmacellular infiltration.
  • Immunohistochemistry showed positivity for vimentin and epithelial membrane antigen, and negativity for glial fibrillary acidic protein and cytokeratin.
  • This represents an adult case of chordoid meningioma occurring in the absence of anemia or dysgammaglobulinemia.

Implications:

  • This case expands the understanding of chordoid meningioma presentation in adults.
  • It underscores the importance of considering this rare diagnosis even without associated systemic conditions.
  • Further research may elucidate the specific factors influencing the occurrence of anemia and dysgammaglobulinemia in chordoid meningioma.

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