Slides in the "Mass-forming bone lesions" Category

Aggressive osteoblastoma

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No history

Aneurysmal bone cyst

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Aneurysmal bone cyst (2)

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No history

Chest wall hamartoma

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Large rib lesion in newborn

Chondromyxoid fibroma

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No history

Chordoma, chondroid variant

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51 y/o female with an extradural mass of the C2 vertebra

Enchondroma

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No history

Enostosis (bone island)

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No history
Syndrome: Autosomal dominant osteopoikilosis

Epidermal inclusion cyst, intraosseous

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Clinical summary
41 y/o male with a history of finger trauma and chronic pain

Ewing sarcoma

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53 y/o female with a chest wall mass, remote history of Hodgkin lymphoma

Fibrous dysplasia

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42 y/o female with an expansile mass of the anterior fourth rib

Giant cell tumor of bone

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Myositis ossificans

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Non-ossifying fibroma

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Clinical history

20 y/o male with a lytic lesion of the femur

Radiology

MS-09-F50051 - Non ossifying fibroma Rads

Osteochondroma

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Osteochondroma

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26 y/o male with a pedunculated mass of the femoral neck

Osteofibrous dysplasia

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1 y/o male with a mass in the right tibia

Osteoma

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No history
Syndrome: Gardner’s Syndrome

Osteosarcoma

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Osteosarcoma

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57 y/o female with lesion in head of femur

Osteosarcoma, arising in Paget disease of bone

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No history

Osteosarcoma, parosteal (juxtacortical) type

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No history

Osteosarcoma, periosteal type

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No history

Ostoid osteoma

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No history

Synovial chondromatosis

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51 y/o male with a mass of the 5th finger PIP joint