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Page: Anterior bone spine (OrthopaedicsOne Articles)
Non-tumor Bacterial infection (discitis) Tuberculous infection Benign Neurofibroma (enlarging foramen) Hemangioma Aneurysmal bone cyst Giant cell tumor Malignant Metastatic disease Notes Non-tuberculo…
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Page: Diaphyseal bone lesions (OrthopaedicsOne Articles)
Non-tumor Infection Fracture callus Stress fracture Benign Osteoid osteoma Fibrous dysplasia Histiocytosis X Malignant Osteosarcoma Ewing's sarcoma Lymphoma Adamantinoma (tibia and, rarely, ulna or fi…
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Page: Differential Diagnosis of Bone Lesions (OrthopaedicsOne Articles)
Although a variety of methods can be used in developing a differential diagnosis for a bone lesion, an anatomical approach is most useful. The analysis of the question, where is the lesion? is critica…
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Page: Epiphyseal bone lesions (OrthopaedicsOne Articles)
Benign Chondroblastoma Giant cell tumor Malignant Clear cell chondrosarcoma Notes Chondroblastoma is typically geographic and confined to the epiphysis until late in its course; punctate calcification…
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Page: Epiphyseal-metaphyseal bone lesions (OrthopaedicsOne Articles)
Non-tumor Brown's tumor of hyperparathyroidism Benign Osteoblastoma Chondroblastoma Aneurysmal bone cyst Giant cell tumor (included as benign aggressive, although rarely metastases may occur) Malignan…
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Page: How large is the lesion (OrthopaedicsOne Articles)
To answer this question (and actually measure the lesion), ensure that the full lesion is critically analyzed. Evaluating the total extent of skeletal involvement may also provide clues to any systemi…
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Page: Is a soft tissue mass evident (OrthopaedicsOne Articles)
MRI and CT scan are generally better at showing typical soft tissue masses than plain radiographs. However, it is often possible to visualize abnormalities in the soft tissues surrounding bone on conv…
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Page: Is the cortex eroded (OrthopaedicsOne Articles)
Cortical erosion is the hallmark of the active, aggressive or malignant tumor, and the pattern of cortical erosion may be highly correlated with the histology of the lesion: In chondrosarcoma, (unicam…
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Page: Juxta-articular bone lesions (OrthopaedicsOne Articles)
Non-tumor Inflammatory arthropathy with erosive/cystic bony change Infectious arthropathy Gout Pigmented villo-nodular synovitis (PVNS) Intra-osseous ganglion Degenerative cysts Benign Osteoid osteoma…
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Page: Metaphyseal and metaphyseal-diaphyseal bone lesions (OrthopaedicsOne Articles)
Non-tumor Bone infarct Infection Paget's disease Benign Osteoid osteoma Osteoblastoma Enchondroma Chondromyxoid fibroma Non-ossifying fibroma (fibrous cortical defect, fibrous histiocytoma of bone) Fi…
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