D16: Benign neoplasm of bone and articular cartilage

D16.2: Benign neoplasm: Long bones of lower limb

When there is abnormal growth of tissue, then this is also referred to as a tumor. The tissue in the body is made up of cells. A tumor disorder involves the cells multiplying more than normal. This results in abnormal or excess tissue forming. A tumor can be benign or malignant. The tumor you have is benign. Benign tumors do not destroy the healthy tissue and do not spread throughout the body.

The leg is made up of different bones. There are long bones such as the thighbone and the shinbone. But there are also lots of small bones e.g. in the foot. You have abnormal growth of tissue in the large bones of the leg.