Extraskeletal Osteosarcoma
What is Extraskeletal Osteosarcoma?
Extraskeletal Osteosarcoma is a rare soft tissue tumor in outside of bone tissue.
What are causes of Extraskeletal Osteosarcoma?
Extraskeletal Osteosarcoma causes is unknown, may be caused by epiphyseal cartilage growth free from the surface to the bone, but also the origin of cells in the tympanic membrane or the origin of the tendon attached to the first fibrous cartilage. In addition to causing BY genetics, body chromosomes 8,11,19 and bone abnormalities related to the occurrence of chondroma.
What are symptoms of Extraskeletal Osteosarcoma?
Extraskeletal Osteosarcoma are more common in young people, and occur in the strong growth of long bone metaphysis, backbone less. Common Extraskeletal Osteosarcoma symptoms are pain, tenderness, swelling or mass, and their nerve, blood vessel arising from the symptoms of late dysfunction can occur.
How is diagnosis for Extraskeletal Osteosarcoma?
Extraskeletal Osteosarcoma diagnosis needs to X-ray text. X-ray film for the tumor and the lesion can be seen periosteum. Histology can be seen on the cortical lesion. Periosteal osteosarcoma: X-ray films can be seen in cortical lesion, no lesion cavity.
1. The naked eye can see the tumor and surrounding tissue realm of clear, granular cut surface, white or light yellow, small bleeding lesions can be seen.
2. Endoscopic seen with primary bone osteosarcoma no significant difference between different types of bone can be seen the mother cells, spindle-like cells, multinucleated giant cells, bone-like matrix shaped bone and cartilage cells.
How is treatment for Extraskeletal Osteosarcoma?
Currently, common treatment of Extraskeletal Osteosarcoma generally use a phase of preoperative chemotherapy, and then the implementation of the lesion surgically removed. About 80% of amputations in patients with no line, after excision of the lesion, continue to use a variety of reconstruction to restore limb function. Although after various treatment for patients with Extraskeletal Osteosarcoma, but generally in the diagnosis of 2 to 3 years after the transfer died. More than the transfer of blood. Yet some patients with lymph node metastasis.