[Chondrosarcoma arising in solitary osteochondroma: a case study]
- PMID: 31303915
- PMCID: PMC6607462
- DOI: 10.11604/pamj.2019.32.143.15533
[Chondrosarcoma arising in solitary osteochondroma: a case study]
Abstract
Chondrosarcoma is a rare malignant bone tumor. It can arise de novo or secondary to a malignant transformation of a benign underlying cartilage tumor. Secondary chondrosarcoma arising from solitary benign osteochondroma is extremely rare and data show that the reported incidence of osteochondroma of the pelvis is very low. We here report the case of a 20-year old patient with chondrosarcoma secondary to malignant transformation of an osteochondroma of the right wing of ilium, adjacent to the sacroiliac joint.
Le chondrosarcome est une tumeur osseuse maligne rare. Elle peut être primitive ou secondaire à une transformation maligne d'une tumeur cartilagineuse bénigne sous-jacente. Le chondrosarcome secondaire découlant d'un ostéochondrome solitaire bénin est extrêmement rare et les données montrent que l'incidence rapportée de l'ostéochondrome du bassin est très faible. Nous rapportons le cas d'un patient âgé de 20 ans présentant un chondrosarcome secondaire à la transformation maligne d'un ostéochondrome de l'aile sacro-iliaque droite.
Keywords: Ostéochondrome; chondrosarcome; sacro-iliaque; transformation maligne.
Conflict of interest statement
Les auteurs ne déclarent aucun conflit d'intérêts.
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