Osteochondroma - Femur

Osteochondromas usually occur in the metaphyses of the long bones of the limb commonly at the site of tendon insertions. The most common locations are lower end of femur (the site of tumor shown in this image), upper end of humerus, and the upper end of the tibia. Image courtesy of Dr. Jean-Christophe Fournet, Paris, France; humpath.com; Used with permission