Tumor

Differential diagnosis of bone lesions
Polyostotic conditions
[Juxta-articular bone lesions]
[Epiphyseal bone lesions]
[Epiphyseal-metaphyseal bone lesions]
[Metaphyseal and metaphyseal-diaphyseal bone lesions]
[Diaphyseal bone lesions]
[Parosteal bone lesions]
[Anterior bone spine]
[Posterior bone spine]
[Sacrum bone lesions]

Biopsy and staging
[Who should undergo biopsy of a bone lesion?]
[Who should do the biopsy of a bone lesion?]
[Bone biopsy surgical technique]
[Needle versus open biopsy for bone lesion]

[Staging of bone tumors]

Benign primary bone lesions
Osteoid osteoma
Osteoblastoma
Osteoma
Osteochondroma
Multiple exostosis
Enchondroma
Chondromyxoid fibroma
Chondroblastoma
[Periosteal chondroma (Juxtacortical chondroma)]
Synovial chondromatosis
[Fibrous cortical defect]
Nonossifying fibroma
Fibrous dysplasia
Ossifying fibroma (Osteofibrous dysplasia)
Giant cell tumor
Aneurysmal bone cyst
Unicameral bone cyst
Eosinophilic granuloma
[Hemangioma of bone]

Malignant primary bone lesions
Osteosarcoma

Chondrosarcoma
Fibrosarcoma
Malignant fibrous histiocytoma (MFH)
[Myeloma]
[Lymphoma of bone]
[Leukemia]
Ewing's sarcoma
Adamantinoma
Chordoma

Disease states mimicking primary bone tumors
Stress fracture
[Enostosis (bone island)]
[Bone infarct]
[Hyperparathyroidism]
[Paget's disease of bone]
[Osteomyelitis]
[Metastasis to bone]
Tumor-induced osteomalacia

Soft tissue tumors
[Angiosarcoma]
Dermatofibrosarcoma protuberans (DFSP)
[Desmoplastic fibroma]
[Epithelioid sarcoma]
Fibromatosis
[Ganglion]
Giant cell tumor of tendon sheath
Glomus tumor
[Hemangioendothelioma]
[Hemangiopericytoma]
[Leiomyoma]
[Leiomyosarcoma]
[Lipoma]
[Liposarcoma]
[Melanoma]
[Mesenchymoma]
Myositis ossificans
[Neuroblastoma]
[Neurofibroma]
[Neurofibrosarcoma]
[Neurolemmoma]
Pigmented villonodular synovitis (PVNS)
[Rhabdomyoma]
[Rhabdomyosarcoma]
[Squamous cell carcinoma]
Synovial sarcoma