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Year : 2009  |  Volume : 5  |  Issue : 1  |  Page : 14-19

Chondrosarcoma of bone: Does the size of the tumor, the presence of a pathologic fracture, or prior intervention have an impact on local control and survival?

1 Department of Orthopaedic Oncology, Tata Memorial Hospital, Room No: 26, E Borges Road, Parel, Mumbai - 400 071, India
2 Department of Pathology, Tata Memorial Hospital, Room No: 26, E Borges Road, Parel, Mumbai - 400 071, India

Correspondence Address:
Ajay Puri
Department of Orthopaedic Oncology, Room No: 26, Tata Memorial Hospital, E. Borges Road, Parel, Mumbai - 400 012
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0973-1482.44362

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Aims and Objectives: We studied 45 patients with chondrosarcoma, without metastasis at diagnosis, who were surgically treated between January 2000 and December 2004 to evaluate the risk factors associated with local recurrence and metastasis. Materials and Methods: Fourteen (31%) patients had had some major prior intervention, either in the form of an open biopsy or a curettage / unplanned excision, before presenting to us. Eight patients had pathologic fractures at presentation. None of the patients received adjuvant chemotherapy or radiotherapy. The follow-up duration ranged from 8-75 months. All survivors had a minimum follow-up of 36 months (range 36-75 months). Results: There were 11 grade 1 (24.5%), 23 grade 2 (51%), and 11 grade 3 (24.5%) chondrosarcomas. Thirty-two (71%) patients had tumors that were larger than 8 cm in the greatest dimension. Margins were adequate in 31 patients. Twenty-five patients had disease relapse; there were four local failures, nine distant failures, and 12 combined failures. At the time of the last review, 12 patients had died, 11 were alive with disease, and 22 were free of disease. The cumulative event-free survival was 44% and the overall survival was 73%. Conclusion: Grade of tumor, size of tumor, and adequacy of resection might be important predictors of outcome. Local recurrence is a prelude to distant metastasis and portends poor ultimate survival. The presence of a pathological fracture could indicate biologically aggressive disease, and limb salvage in these cases should be advised with caution. Even in cases where there has been a prior unplanned intervention, local control can be achieved by subsequent adequate resection.

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