👉 Endosteoma, also known as calcified endochondral ossification, is a type of bone tumor that occurs in the endochondral ossification region of the skeleton. It is characterized by the presence of calcifications or calcium deposits within the bone tissue, which can lead to deformities and pain. Endosteomas are typically benign and do not have a known cause. However, they can be associated with certain risk factors such as a family history of osteoporosis, smoking, and obesity