Abstract
Conventional chondrosarcomas rarely metastasize and it is extremely unusual to see multicentric- behaviour in malignant cartilage tumour. We report a 40 year old lady with presentation of two non-contiguous metachronous foci of low to intermediate grade of chondrosarcoma over left pelvic bone and right scalp respectively in the absence of pulmonary or visceral metastasis. vacuum assisted closure, infection, instrumentation, spine.
Highlights
Chondrosarcoma is the third most common primary malignant tumour of bone, following Ewing’s sarcoma and osteosarcoma [4,5]
Metastasis is rare with conventional chondrosarcoma, it can metastasize to lungs, liver and other bones 1
It is even rarer for chondrosarcoma to metastasize to extraosseous regions, like the brain as accounted by Faris et al 2
Summary
Chondrosarcoma is the third most common primary malignant tumour of bone, following Ewing’s sarcoma and osteosarcoma [4,5]. It is even rarer for chondrosarcoma to metastasize to extraosseous regions, like the brain as accounted by Faris et al 2. It is well-known that multicentricity, which is defined as the presence of two or more separate chondrosarcomas in the absence of visceral involvement between the time of diagnosis of both tumours, is extremely unusual in malignant cartilage tumours, except for the highly aggressive mesenchymal chondrosarcoma. We have encountered a case of multicentric chondrosarcoma with metachronous involvement of pelvic bone and scalp (extra-osseous), a feature that has yet to be reported
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