Multiple choice

What is a malignant tumour of the bone called?

  1. Osteosarcoma

  2. Ostosclerosis

  3. Osteoporosis

  4. Osteomalacia
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A Correct answer
Explanation

Osteosarcoma is the most common type of malignant (cancerous) bone tumor, typically arising from bone-forming cells. It most often occurs in the long bones of adolescents and young adults. Osteosclerosis is abnormal bone hardening, osteoporosis is reduced bone density, and osteomalacia is softening of bones - none of these are cancerous.

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