Summary #1232

Malignant cancer diagnosed in a dinosaur for the first time

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  • The cancer was found in the lower leg bone of a Centrosaurus apertus, a horned dinosaur that lived around 77 million years ago.
  • At first, researchers thought the weird bone growth was the result of a healed fracture.
  • An international, multidisciplinary team performed a series of tests and found that the bone growth diagnosis was similar to an unknown tumor in a human patient.
  • It was determined to be osteosarcoma, an bone overgrowth that spreads rapidly across the body.
  • The importance of this study is that it shows a clear link between human disease and diseases of the past, helping to understand their evolution and genetics.

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