Osteosarcoma Triassic-style

Cancer is not a 'modern physiological defect'

If your patients think cancer is a product of modern life, you can tell them about this: The oldest specimen of a case of osteosarcoma has just been identified – and it is 240 million years old.

lizard

Not that it has been found in a human – Homo sapiens has only been around for about 200,000 years.

The tumour has been identified in a fossil femur from a shell-less stem-turtle Pappochelys rosinea, looking much more like a lizard than a modern-day turtle, which was swimming in a sea over Germany in the middle Triassic

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