少见部位骨肉瘤的临床X线表现

目的:探讨苏丹人少见部位骨肉瘤的临床X线表现特点。方法:分析9例少见部位骨肉瘤(跟骨、跖骨、腕骨、胸骨、骨干)的临床X线表现。结果:发病年龄偏大,多数为青年成人。临床病程较长,进展较缓慢。成骨性骨破坏占绝大多数。常出现各种骨膜反应,以单层骨膜反应为主。出现不同程度软组织肿块或肿胀,其内多有斑片状肿瘤骨。可有不典型表现。结论:临床X线表现较有特点,但尚需与慢性骨髓炎、骨巨细胞瘤、马杜拉足等相鉴别。

Clinical and radiological features of osteosarcoma with uncommon position

Objective:To explore clinical and radiological features of osteosarcoma with uncommon position in Sudan.Methods:Nine cases of osteosarcoma in uncommon position(calcaneus,metatarsus,carpus,sternum,diaphysis)were reviewed.Re sults:Age of onset is older,most are young adults.Clinical duration is longer,evolving slowly.Osteoblastic destruction is seen in most cases.Single layer periosteal reaction is common.Soft tissue mass or swelling of varying degree is common,usu-ally with speckle tumor bone.There may be non-typical findings.Conclusion:Clinical and radiologic features of osteosarcoma in uncommon position have characteristic features.But it must be distinguished from chronic osteomyelitis,giant cell tumor and Madura foot,etc.