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A tumor composed of myofibroblasts: an ultrastructural study
Acta Pathologica Japonica
|July 1, 1982
Summary
A rare head tumor in a child was identified as a myofibroblastic tumor. Electron microscopy confirmed its nature, distinguishing it from other spindle cell neoplasms.
Area of Science:
- Pediatric Pathology
- Surgical Oncology
- Electron Microscopy
Background:
- A prior diagnosis of retroperitoneal inflammatory fibrous histiocytoma in an 8-year-old boy.
- Subsequent development of a subcutaneous tumor in the right temporal region of the head.
Observation:
- Histological examination revealed spindle cells arranged in fascicles without storiform or herring-bone patterns.
- Electron microscopy was crucial for detailed cellular analysis.
Findings:
- The subcutaneous tumor was predominantly composed of myofibroblasts.
- Classification as a myofibroblastoma based on ultrastructural features.
Implications:
- Highlights the utility of electron microscopy in precise tumor classification.
- Discusses the potential relationship between the retroperitoneal and cranial tumors.
- Informs differential diagnosis for pediatric spindle cell neoplasms.