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Intracranial ewings sarcoma/peripheral primitive neuroectodermal tumor.
R Amita, S Sandhyamani1, Suresh Nair
1Department of Pathology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.
Neurology India
|September 20, 2014
Summary
Central nervous system primitive neuroectodermal tumors (CNS PNET) are rare, aggressive pediatric brain tumors. This report details a unique case, highlighting the need for more research into these uncommon dural tumors.
Area of Science:
- Pediatric Oncology
- Neuro-oncology
- Tumor Biology
Background:
- Primitive neuroectodermal tumors (PNET) are aggressive embryonal neoplasms originating from primitive neuroepithelial cells.
- Central nervous system (CNS) PNETs are rare, primarily affecting the pediatric population.
- Existing literature contains limited reports of CNS PNETs, particularly those arising from the dura.
Observation:
- A rare case of an embryonal tumor, classified as a CNS PNET, was identified in a 3-year-old child.
- The tumor exhibited characteristics of undifferentiated or poorly differentiated neuroepithelial cells.
- The tumor's origin was noted to be within the dura.
Findings:
- This case represents a rare occurrence of ES/pPNET within the CNS.
- The histological findings align with the definition of CNS PNETs.
- The dural origin of this specific CNS PNET is a notable characteristic.
Implications:
- Further case reporting is crucial for a comprehensive understanding of CNS PNETs.
- Enhanced definition and characterization of these rare dural tumors are needed.
- This case contributes to the limited body of knowledge on pediatric CNS PNETs.
