Abstract:Background: Ewing sarcoma is a malignant round cell neoplasm and categorized as part of Ewing family tumor (EFT). Only 1-4% of all Ewing sarcomas are primarily located in the head and neck region and the isolated primary sinonasal sarcoma represents a rare entity. This case was reported due to its rarity and dilemma in diagnosis of recurrent post-treatment. Case presentation: We report a rare case of isolated left maxillary sinus Ewing sarcoma, presented with frequent unprovoked epistaxis, nasal blockage, and … Show more
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