[Clinical manifestation of Ewing's sarcoma as a retrotonsillar pharyngeal tumor].


BACKGROUND Ewing's sarcoma is a malignant tumour which usually arises from bony structures. It can be found in dia- or metaphysis of bones of the extremities but as well in 50% of cases in skeletal parts of the trunk. Clinically patients often present with various symptoms as there are pain, swelling and progredient loss of function if extremities are… (More)