Aberrant chromosomal fusion of the Ewing’s sarcoma oncogene (EWS) to several different cellular partners produces the E......

患者女,52岁。左胸背部疼痛4月余,腰痛4天。查体未见确切阳性体征。肿瘤五项均在正常值范围内。正侧位胸片示：左肺中下野稍高密度团......

Osteosarcoma (OS), chondrosarcoma (CSA), and Ewings sarcoma (ES) are the most common primary malignancies of bone, and a......