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Questions and Answers
Metastatic tumours are more common than primary bone tumours. (True/False)
True
Clinical effects of bone metastases include pain, bone destruction, and vertebral collapse. (True/False)
True
Skeletal metastases in adults originate from cancers of the thyroid, prostate, breast, kidney, and lung. (True/False)
True
Children's metastatic disease commonly derives from neuroblastoma, Wilms tumour, Ewing sarcoma, and rhabdomyosarcoma. (True/False)
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Osteosarcoma is one of the commonest malignant tumours of bone with a good prognosis. (True/False)
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Osteosarcoma usually occurs between 10-25 years of age. (True/False)
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Chondrosarcoma is the most common malignant bone tumor.
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Ewing's sarcoma usually arises in the epiphysis of long bones.
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Osteosarcomas can exhibit osteoblastic, chondroblastic, or fibroblastic differentiation.
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Gouty arthritis is an example of chronic arthritis.
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Rheumatoid arthritis is an example of acute arthritis.
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Paget's disease of bone is a predisposing factor for osteosarcomas.
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Chromosomal translocation between chromosome 11 & 22 is a predisposing factor for Ewing's sarcoma.
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Arthritis refers to the inflammation of one joint only.
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Fibrous dysplasia is a predisposing factor for chondrosarcoma.
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Ewing's sarcoma has a poor prognosis.
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Metastatic tumours are more common than primary bone tumours. (True/False)
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Chondrosarcoma is the most common malignant bone tumor. (True/False)
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Osteosarcoma is one of the commonest malignant tumors of bone with a good prognosis. (True/False)
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Ewing's sarcoma usually arises in the epiphysis of long bones. (True/False)
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Arthritis refers to the inflammation of one joint only. (True/False)
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Paget's disease of bone is a predisposing factor for osteosarcomas. (True/False)
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Ewing's sarcoma most probably originates from endothelial or neurogenic cells in the bone marrow.
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Rheumatoid arthritis mainly affects large joints like the hips and shoulders.
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Gouty arthritis is an example of suppurative (pyogenic) arthritis.
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Osteosarcomas can exhibit osteoblastic differentiation.
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Ewing's sarcoma usually occurs in the diaphysis of long bones.
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Rheumatoid arthritis is a systemic autoimmune collagen disease.
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The affected joints in rheumatoid arthritis appear swollen and deformed.
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Chondrosarcoma is the most common malignant bone tumor.
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Metastatic tumors are more common than primary bone tumors.
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Paget's disease of bone is a predisposing factor for osteosarcomas.
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