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[Mesencephalic Ewing sarcoma: Case report].

Manuel Domínguez Moncla¹, Micaela Gorzalczany¹, Bárbara Ilari¹

¹Unidad 6 de Clínica Pediátrica, Hospital de Niños Dr. Ricardo Gutiérrez, Ciudad Autónoma de Buenos Aires, Argentina.

Archivos Argentinos De Pediatria

|October 3, 2022

Summary

This case report details a rare instance of Ewing's sarcoma presenting as a primary brain tumor in a 14-year-old. The diagnosis was confirmed after surgical removal of the midbrain lesion.

Keywords:

Ewing’s sarcoma child mesencephalic neoplasms

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Area of Science:

Neuro-oncology
Pediatric oncology
Rare tumors

Background:

Ewing's sarcoma typically affects bone; intracranial presentation is exceptionally rare.
Differentiating primary brain tumors from metastatic lesions and other neuroectodermal tumors is crucial for appropriate management.

Observation:

A 14-year-old presented with left eye ptosis and diplopia.
Imaging revealed an extra-axial tumor in the interpeduncular cistern.

Findings:

Surgical excision of the lesion was performed.
Pathological diagnosis confirmed Ewing's sarcoma of the midbrain.

Implications:

This case highlights the importance of considering rare diagnoses in pediatric neuro-oncology.
Highlights the need for comprehensive differential diagnosis in intracranial tumors.