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Oligodendroglioma with granular cells: a case report
K Chorneyko1, J Maguire, G T Simon
1Hamilton Health Sciences Corporation, Ontario, Canada.
Ultrastructural Pathology
|March 10, 1998
Summary
This study details an unusual oligodendroglioma case dominated by eosinophilic granular cells. Electron microscopy confirmed the tumor
Area of Science:
- Neuro-oncology
- Cellular pathology
- Electron microscopy
Background:
- Oligodendrogliomas exhibit diverse histological and ultrastructural features.
- Eosinophilic granular cells are typically found focally, not predominantly, in oligodendrogliomas.
Observation:
- A rare oligodendroglioma case comprised almost entirely of eosinophilic granular cells was analyzed.
- Ultrastructural examination revealed tumor cells with abundant lysosomes containing electron-dense material.
Findings:
- The predominant eosinophilic granular cell morphology in this oligodendroglioma is highly unusual.
- Electron microscopy was crucial in differentiating this tumor from other conditions presenting with eosinophilic cells.
Implications:
- This case highlights the importance of electron microscopy in diagnosing challenging neuro-oncological cases.
- The findings support the concept that granular cell neoplasms represent a common cellular phenotype across various tumor types.