title: Primary Ewing's sarcoma of the ethmoid bone.
abstract: Primary Ewing's sarcoma of the ethmoid bone has not been previously described. This case presented as a mass at the nasal bridge and posed diagnostic and therapeutic difficulties. The clinical, radiological, macroscopic and microscopic features are described. The treatment by the combined therapies of cranio-facial resection, radiotherapy and chemotherapy are discussed.
mesh_terms: D000293:Adolescent; D003131:Combined Modality Therapy; D005004:Ethmoid Bone; D006801:Humans; D008297:Male; D012512:Sarcoma, Ewing / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy; D012888:Skull Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy