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Published in: BMC Cancer 1/2018

Open Access 01-12-2018 | Research article

Survival and prognostic factors in conventional central chondrosarcoma

Authors: Julian Fromm, Alexander Klein, Andrea Baur-Melnyk, Thomas Knösel, Lars Lindner, Christof Birkenmaier, Falk Roeder, Volkmar Jansson, Hans Roland Dürr

Published in: BMC Cancer | Issue 1/2018

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Abstract

Background

Chondrosarcoma is the second most frequent primary malignant bone tumor. Treatment is mainly based on surgery. In general, wide resection is advocated at least in G2 and G3 tumors. But which margins should be achieved? Does localization as for example in the pelvis have a higher impact on survival than surgical margins themselves?

Methods

From 1982 to 2014, 87 consecutive patients were treated by resection. The margin was defined as R0 (wide resection), R1 (marginal resection) or, R2 if the tumor was left intentionally. All patients were followed for evidence of local recurrence or distant metastasis. Overall and recurrence-free survival were calculated, significance analysis was performed.

Results

In 54 (62%) cases a R0 resection, in 31 (36%) a R1 and in 2 (2%) patients a R2-resection was achieved. Histology proved to be G1 in 37 patients (43%), G2 in 41 (47%) and G3 in 9 cases (10%). 5-year local recurrence-free survival (LRFS) was 75%. Local recurrence-free survival showed a significant association with the margin status and the localization of the tumor with pelvic lesions doing worst. Metastatic disease was initially seen in 4 patients (4.6%), 19 others developed metastatic disease during follow-up. Overall survival of the entire group at 5 and 10 years were 79 and 75%, respectively. The quality of surgical margins and the presence of local recurrence did not influence overall survival in a multivariate analysis. Pelvic lesions had a worse prognosis as did higher grades of the tumor, metastatic disease and age.

Conclusions

The mainstay of therapy in Chondrosarcoma remains surgery. Risk factors as grading, metastatic disease, age and location significantly influence overall survival. Margin status (R0 vs. R1) did influence local recurrence-free survival but not overall survival. Chondrosarcomas of the pelvis have a higher risk of local recurrence and should be treated more aggressively.
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Metadata
Title
Survival and prognostic factors in conventional central chondrosarcoma
Authors
Julian Fromm
Alexander Klein
Andrea Baur-Melnyk
Thomas Knösel
Lars Lindner
Christof Birkenmaier
Falk Roeder
Volkmar Jansson
Hans Roland Dürr
Publication date
01-12-2018
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2018
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/s12885-018-4741-7

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