上颌骨尤文氏肉瘤一例报道石冰余少秋发生于上颌骨尤文氏肉瘤较为罕见，作者近期收治一例，特报道如下。患儿：王某，女，８岁。２０余天前偶然发现右面部包块，胡豆大小，无痛，包块进行性长大。外院穿刺活检诊断为“横纹肌肉瘤”，转送我院。检查：右面眶下区５ｃｍ×４... A case of maxillary Ewing's sarcoma Shi Shaoyu Shaoqiu occurred in the upper jaw of Ewing's sarcoma is relatively rare, the author recently admitted to a case, especially reported as follows. Children: Wang, female, 8 years old. Occasionally found more than 20 days ago right facial mass, size beans, painless, mass growth. Outside the hospital biopsy diagnosed as “rhabdomyosarcoma”, forwarded to our hospital. Check: right infraorbital area 5cm × 4 ...