Causes of Osteochondroma
It is not known what exactly leads to the development of this tumor. The condition is not believed to have a sexual preference as both males and females are found to be at equal risk of developing it. Also, it has not been found to result from any injury.
Researchers believe a genetic factor to be responsible for the formation of these kinds of growths. The lumps are believed to be related to a gene known as EXT 1. It is not known how a genetic effect is associated with these tumors. Research is still being conducted to determine the actual relationship between Osteochondroma and genetic factors.