Medical Must-See: Lower back pain signals rare, fatal cancer

The case demonstrates the 'complex diagnostic' nature of extraskeletal osteosarcomas, doctors say.
Intraoperative procedure and the tumour.

This Indonesian man’s lower back pain foreshadowed a more sinister diagnosis, with his doctors finding a rare, aggressive form of bone cancer infiltrating his soft tissue.

The 50-year-old originally presented in 2021 with a six-month history of lower-left back pain that had gradually limited his activity.