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Review
. 1994 Jan 15;73(2):399-405.
doi: 10.1002/1097-0142(19940115)73:2<399::aid-cncr2820730227>3.0.co;2-g.

Mesenchymal chondrosarcoma of the orbit. Report of three new cases and review of the literature

J L Jacobs  1 , J C Merriam, A Chadburn, J Garvin, E Housepian, S K Hilal
Affiliations
Review

Mesenchymal chondrosarcoma of the orbit. Report of three new cases and review of the literature

J L Jacobs et al. Cancer. .

Abstract

Background: Extraskeletal mesenchymal chondrosarcoma is a rare tumor characterized by undifferentiated mesenchymal cells with islands of mature hyaline cartilage. Considering all sites, long-term survival is approximately 30%. Only seven cases of orbital mesenchymal chondrosarcoma have been reported.

Methods: The records of three cases of orbital mesenchymal chondrosarcoma treated at the Columbia-Presbyterian Medical Center, and the seven previously reported cases of this tumor were reviewed to determine clinical characteristics and appropriate therapy.

Results: Nine of the 10 patients were female; age of onset ranged from 10 to 35 years. Of eight patients with at least 2 years of observation, five survived 5 or more years after resection, or after resection plus adjuvant therapy. Two patients died of metastatic disease 2 and 5 years, respectively, after the initial treatment, and one died of pneumonia 6 months after surgery. Review of the histology of the three cases treated at Columbia-Presbyterian Medical Center did not identify distinct histologic types that might guide therapy. Presenting symptoms were typical of symptoms of an orbital mass: proptosis, pain, diplopia, change in visual acuity, ptosis, and tearing.

Conclusion: The small number of reported cases of mesenchymal chondrosarcoma of the orbit prevents definitive conclusions, but it appears that resection is adequate therapy in some cases. Extraskeletal mesenchymal chondrosarcoma of the orbit may have a better prognosis than tumors in other sites.

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