PATHOLOGY MCQ
TUMOURS GENERAL FEATURES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A 13-year-old girl presents with an isolated distal femur osteosarcoma that extends into the soft tissue. Work-up is negative for metastasis, but biopsy reveals a high grade lesion. What is the stage of this tumor by the Musculoskeletal Tumor Society system?
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IA
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IIA
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IB
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IIB
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III
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Explanation:
Detailed explanation-1: -A metastatic osteosarcoma has clearly spread to other parts of the body. Most often it spreads to the lungs, but it can also spread to other bones, the brain, or other organs.
Detailed explanation-2: -Osteosarcoma is the most common malignant bone tumor in children and adolescents, with an incidence of 4.4 per million.
There is 1 question to complete.