The tumor erodes and destroys the bone cortex, extending into soft tissue where irregular tumor bone with calcification is seen.
肿瘤侵袭破坏骨皮质，并向软组织蔓延，可见伴有钙化的不规则肿瘤性骨样组织。
Conclusion a reliable diagnosis can be made by the shape a bone destruction, location characterization of soft-tissue tumor and the age.
结论根据骶椎骨质破坏形态及发生部位，相伴软组织块影的特点、发病年龄，可做出相对正确诊断。
Results All cases image manifested as different kinds of bone destruction and soft-tissue tumor in sacrum, pelvis organ were moved.
结果所有病例均表现为骶椎不同形态的骨质破坏及大小不一软组织块影，盆腔器官受推移。
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