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Case Reports in Orthopedics
Volume 2014, Article ID 109569, 6 pages
http://dx.doi.org/10.1155/2014/109569
Case Report

An Unusual Case of Clear Cell Chondrosarcoma with Very Late Recurrence and Lung Metastases, 29 Years after Primary Surgery

1Department of Orthopaedics and Traumatology, Unit of Musculoskeletal Surgery, Tampere University Hospital, P.O. Box 2000, 33521 Tampere, Finland
2Coxa Hospital for Joint Replacement, Biokatu 6, 33520 Tampere, Finland

Received 26 March 2014; Accepted 25 May 2014; Published 20 July 2014

Academic Editor: Hiroshi Hatano

Copyright © 2014 Minna Laitinen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Clear cell chondrosarcoma is a rare bone neoplasm with low-grade clinical course and the potential to metastasize to the skeleton and lungs. The aim of this report is to present a case that is extremely rare, but in accordance with the literature where the clear cell chondrosarcoma reportedly has a tendency for late metastases. In our patient the primary surgery was intralesional, since it was mistakenly interpreted as a benign tumour in the early 80s. The local recurrence and lung metastases occurred, however, 29 years after the initial treatment. The local recurrence was resected with wide margins, no additional surgery or oncological treatments were given, and two and half years postoperatively patient is doing well and there is no progression in the disease. In conclusion, it is important to have a long follow-up to the clear cell chondrosarcoma patients even for decades or lifelong, because the malignancy tends to metastasize or recur after an extended period. The course of metastasized disease may be unusually slow, so relatively aggressive treatment in metastasized and recurring cases is justified.