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KMID : 0613319970030020112
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Journal of the Korean Bone and Joint Tumor Soceity
1997 Volume.3 No. 2 p.112 ~ p.118
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Multicentric Chondrosarcoma
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Jeon Dae-Geun
Lee Jong-Seok
Kim Sug-Jun
Lee Soo-Yong
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Abstract
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Multicentric chondrosarcoma other than mesenchymal subtype is rare separate entity. We experienced a case with nonminimelic synchronous multicentric chondtosarcoma without any preexisting lesions of Ollier`s disease or Maffucci`s syndrome. To our knowledge, there was no report of synchronous nonmonomelic multicentric chondrosarcoma. A thirty-three tear old man had right distal thigh pain of one and half year. Bone scan showed hot lesions on medial condyle of right femur and shaft of left femur. Plain X-ray showed osteolytic lesion on right femur and slight corical thickening and calcific lesion was observed on left femoral shaft. Curettage and bone cement filling was done on both lesions. The pathology reports were grade I chondrosarcoma on both side of femur. At one month from operation, pathologic fracture of left femur occurred on bone cement-host bone junction. Conservative treatment and radiotherapy of 60Gy was done. At 8 months from operation, nonunion was evident. Segmental resection of left femur with contralateral fibula graft and second look operation on right condyle lesion were done. At 6 months from revision, fracture occurred at host-graft bone junction. We removed previous hardware and applied long DCP and massive autogenous bone graft. Afterwards, the patient looks good and union was progressing. But at 4 years from last operation, hypertrophic nonunion occurred. Another revision was done with condylar plate and bone graft and now he is well without any sign of local recurrence or metastasis.
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KEYWORD
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Chondrosarcoma, Multicentric
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