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23 Cards in this Set
- Front
- Back
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Osteosarcoma |
Most common primary malignant bone tumor |
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Parosteal Osteosarcoma |
occur in women ages 20 to 50, "pasted on" the surface of the posterior distal femoral metaphysis |
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wide surgical excisio |
preferred treatment for Parosteal Osteosarcoma |
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Periosteal Osteosarcoma |
occurs on the anterior surface of the distal femur or proximal tibia |
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Periosteal Osteosarcoma |
Radiographs show scalloping of the underlying cortex wit a sunburst periosteal reaction |
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Paget's Sarcoma |
Imaging may demonstrate osteoytic areas, and loss o normal fatty marrow and multifocal lesions |
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Ewing's Sarcoma |
Typical presentation is a tumor in the diaphysis of the femur in a young white male |
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Ewing's Sarcoma |
second most common primary bone umor in patients under 30 |
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Ewing's Sarcoma |
an "onion skin" periosteal reaction may be seen on radiographs |
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Ewing's Sarcoma |
large soft tissue extension fom the primary bone tumor may be seen and histology reveals a small round blue cell tumor |
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Chondrosarcoma |
thirs most common primary bone malignancies |
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Chondrosarcoma |
chondroid or "popcorn" calcifications are typical |
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Desmoplastic Fibroma |
radiographsshow a metadiaphyseal "soap bubble" appearrance and endosteal scalloping |
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Malignant Fibrous Histiocytoma of Bone |
radiographs show a metaphyseal lytic lesion with aa "soap bubble" appearance |
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Hemangioendothelioma |
malignant neoplasm arising from vascular endothelium in long bones |
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Hemangiopericytoma |
usually solitary lesion occuring in the soft tissues or the axial skeleton and proximal long bones in the middle-aged or elderly males |
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Hemangioendothelioma |
histology reveals eosinophilic cells in a basophilic stroma |
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Hemangiopericytoma |
histolgy reveals branching "staghorn" vascular spaces |
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Angiosarcoma of bone |
soft tissue malignancy usually seen in elderly males |
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Angiosarcoma of bone |
histology reveals vascular channels with anaplasia |
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Giant Cell Tumor of Bone |
presenting complaints include pain and pathologic fractures |
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Giant Cell Tumor of Bone |
imaging reveals eccentric, epimetaphyseal lytic lesions eroding the subchondral bone |
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Giant Cell Tumor of Bone |
histology reveals multinucleate giant cells and mononuclear stromal cells |
