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Updated: Aug 6, 2026
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Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
Published on: April 12, 2019
Gliosarcoma with features of osteoblastic osteosarcoma: a review
Valeria Barresi1, Serenella Cerasoli, Federico Morigi
1Department of Human Pathology, Policlinico Universitario G. Martino, Via ConsolareValeria, Messina, Italy. valeriabarresi@hotmail.com
Archives of Pathology & Laboratory Medicine
|August 2, 2006
Summary
Gliosarcoma, a rare central nervous system tumor, presents a biphasic pattern of glial and sarcomatous cells. Molecular studies suggest a single precursor cell origin for both components, though the exact evolutionary mechanism remains unclear.
Area of Science:
- Neuro-oncology
- Pathology
- Radiology
Background:
- Gliosarcoma is a rare central nervous system tumor.
- It exhibits a biphasic histological pattern with glial and sarcomatous components.
- Fibrosarcoma is the most common sarcomatous element, but other stromal malignancies and osteosarcomatous differentiation are rarely reported.
Purpose of the Study:
- Review characteristic radiologic and histopathologic features of gliosarcoma.
- Discuss differential diagnoses for this rare neoplasm.
- Provide an overview of gliosarcoma histopathogenesis.
Main Methods:
- Literature review of articles indexed in PubMed.
- Consultation of reference medical texts.
Main Results:
- Radiologic and histopathologic features of gliosarcoma were reviewed.
- Differential diagnoses were considered.
- Potential histopathogenesis was discussed.
Conclusions:
- Recent molecular studies indicate that both gliomatous and sarcomatous components may originate from a single precursor cell clone.
- Tumor evolution may involve progression into two subclones with distinct morphologic features.
- The specific events driving the clonal split require further investigation.
