What is the most common benign skeletal neoplasm? Osteochondroma is the most common benign skeletal neoplasm. This lesion accounts for 20% to 50% of benign bone tumors and 10% to 15% of all bone tumors. Osteochondromas occur most commonly in the first two decades of life, arise from the metaphysis pointing away from the joint, …
Where do sarcomas most commonly metastasize? Sarcomas tend to undergo hematogenous spread, most commonly to the lungs.
Which type of tumor can manifest with bone pain swelling fever and increased ESR mimicking an infection? Ewing sarcoma is a malignant round cell tumor with a predilection for the long bones and pelvis that can manifest with pain, swelling, fever, and increased ESR. Radiographs may show a permeative or moth-eaten pattern of bone destruction …
Which primary bone tumors tend to involve the diaphysis most commonly? Multiple myeloma, Ewing’s sarcoma, and primary lymphoma of bone tend to involve the diaphyseal region of bones most commonly.
Which primary bone tumors tend to involve the epiphysis most commonly? Chondroblastoma and giant cell tumor (GCT) tend to involve the epiphysis most commonly. Chondroblastoma is a benign lesion that is typically well defined and located in the epiphysis, most often occurring in children and young adults. Although benign, chondroblastomas can be locally invasive and …
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What is the second most common primary bone tumor after multiple myeloma? Osteosarcoma is the second most common primary bone tumor after multiple myeloma. About 75% of osteosarcoma lesions occur around the knee and typically arise in the metaphyseal region. The peak incidence is in the second and third decades of life, and there is …
Radiographic evaluation in suspected multiple myeloma If the diagnosis of multiple myeloma is suspected, what radiographic evaluation should be performed? A skeletal survey is usually obtained. Approximately 75% of patients with multiple myeloma have positive radiographic findings with characteristic “punched-out” osteolytic lesions that have discrete margins and uniform size. Multiple compression fractures can also be …
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