A rare manifestation of Ewing sarcoma: Primary intracranial Ewing sarcoma

Primary intracranial Ewing sarcoma (ES) is an extremely rare condition, frequently presenting as supratentorial and intraparenchymal. This case report presents a 22-year-old male diagnosed with primary intracranial ES exhibiting dura, muscle, and bone invasion. The patient initially presented with swelling in the preauricular region and was operated on with a preliminary diagnosis of meningioma, but pathology confirmed primary intracranial ES. This case highlights the rarity of primary intracranial ES and provides significant contributions to the diagnostic process.