65. Osteogenic sarcoma

Organ: Long bone (femur)

Osteosarcoma prep

Description:

Originating from the distal metaphysis is a large grey-white tumor. The tumor completely destroyed the whole bone.

Diagnosis: Osteosarcoma

Risk factors:

  • < 20 years of age
  • Irradiation

Theory:

The tumor raises the periosteum, which forms a very characteristic picture on an x-ray called Codman triangle.