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Extraskeletal Ewing's sarcoma of the parapharyngeal space

Departments of ¹ Radiology, and ² Pathology, Chang Gung Medical College and Chang Gung Memorial Hospital, 5 Fu-Shing Street, Kwei Shan, Tao Yuan, Taiwan

Correspondence: Dr Shu-Hang Ng, First Department of Diagnostic Radiology, Chang Gung Memorial Hospital at Linkou, 5-Fu-Shing street, Kwei Shan, TaoYuan, Taiwan

Extraskeletal Ewing's sarcoma (EES) is rarely found in the head and neck region. We report here a case of EES of the parapharyngeal space in a 53-year-old man who presented with blurred vision, dysphagia, hoarseness and right facial numbness. CT examination showed a large, seemingly well-defined soft tissue mass in the right parapharyngeal space with skull base destruction and intracranial extension. The patient showed poor response to chemotherapy and radiotherapy and died 6 months after initial presentation. A review of the literature revealed no previous reports of EES occurring in the parapharyngeal space.