Part 4 · Bones and Joints
Same concept, other depth: Clinical Reasoning →
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A 15‑year‑old footballer has had knee pain for two months, worse at night. His X‑ray shows a fuzzy, destructive area at the lower end of the femur, with bone spicules radiating out like sunrays and a lifted triangle of periosteum: an aggressive lesion. Biopsy confirms osteosarcoma.
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