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In one study, metastatic disease was detected in 23% of patients and occurred at a median of 10 months (range, 2–77 months) after resection of the primary tumor. In a review of multiple studies, the risk of developing metastases for lower grade MFS (defined in the following section) was <5% and for higher grade tumors was 25–30%. [11]
Surgery is the main form of treatment for chondrosarcoma. Musculoskeletal tumor specialists or orthopedic oncologists are usually chosen to treat chondrosarcoma, unless it is located in the skull, spine, or chest cavity, in which case, a neurosurgeon or thoracic surgeon experienced with sarcomas is chosen.
These pelvic tumors have a greater likelihood of being malignant. An early survey found that the rate of tumor malignancy was 48% for girls and 67% for boys older than 2 months at the time of sacrococcygeal tumor diagnosis, compared with a malignant tumor incidence of 7% for girls and 10% for boys younger than 2 months at the time of diagnosis.
Desmoid tumors may occur in the head and neck, more commonly among children, and tend to be more aggressive than in other extra-abdominal locations. These tumors constitute up to 23% of extra-abdominal cases. [16] Treatment is typically more aggressive due to the increased dangers of a tumor in the area. [29] [34]
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A complete radical, surgical, en bloc resection of the cancer, is the treatment of choice in osteosarcoma. [2] Although most patients are able to have limb-salvage surgery, complications—particularly infection, prosthetic loosening and non-union, or local tumor recurrence—may cause the need for further surgery or amputation. [25]
Fibrosarcoma (fibroblastic sarcoma) is a malignant mesenchymal tumour derived from fibrous connective tissue and characterized by the presence of immature proliferating fibroblasts or undifferentiated anaplastic spindle cells in a storiform pattern.
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