Abstract
Purpose
Chondroblastoma (CB) in the spine is extremely rare and there is little published information regarding this subject. We attempt to explore the clinical features of spinal CB and address the importance of total resection, especially total en bloc spondylectomy (TES) for the treatment of spinal CB.
Methods
Clinical data of 13 consecutive CB patients who received surgical treatment in our center between January 2006 and December 2016 were reviewed retrospectively. Recurrence-free survival (RFS) was estimated by Kaplan–Meier method and Log-rank test.
Results
The 13 CB patients included 9 men and 4 women with a mean age of 32 years. The lesions were located in the cervical spine in 2 cases, thoracic spine in 5 cases, and lumbar spine in 6 cases. All the patients were treated surgically using either curettage, piecemeal total resection, or TES. Postoperative radiotherapy was administered in 2 cases. The mean follow-up period was 41.6 months. Relapse occurred in 3 (23.1%) cases, resulting in one death in 60 months. The mean RFS duration was 28.7 months.
Conclusions
CB predominantly affects males and various age groups. Spinal CB more commonly involves the thoracic and lumbar segments. Spinal CB usually appears as an aggressive and destructive bony lesion with a soft tissue mass on imaging, forming compression on the spinal cord in some cases. Recurrence is not uncommon for spinal CB. Total resection, especially TES, has been confirmed as a powerful method to control the disease, while curettage is more likely to associate with local recurrence. Radiotherapy does not seem to reduce local recurrence.
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This work was supported by Grants from National Key Research and Development Program of China (2016YFC0902100).
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Jia, Q., Liu, C., Yang, J. et al. Clinical features, treatments and long-term follow-up outcomes of spinal chondroblastoma: report of 13 clinical cases in a single center. J Neurooncol 140, 99–106 (2018). https://doi.org/10.1007/s11060-018-2935-0
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DOI: https://doi.org/10.1007/s11060-018-2935-0