We report a rate case of osteogenic sarcoma of the right pelvis with intracavitary metastases to the right heart through tumor growth along and within the inferior venna cava.

• 摘要吾人报告一例罕见之右侧骨盆癌经下腔静脉转程至右心腔室病例。病人为-16岁女学，其症状为右下肢疼痛约一周之久，因同时有胸闷及气促，心脏超音波心图检查意外发现肿瘤。