Osteochondroma is a benign osteochondral formation that develops from cartilage tissue. This tumor is the most common benign osteofolial tumor and is usually found at the posterior surface of the epiphysis between the hyaline cartilage and the periosteum. Chondromas are more common in middle-aged people; men are affected approximately 3-5 times more often than women. Such formations can appear simultaneously on both sides and at the same time be unequal in size. In approximately 80% of cases the tumors are single, in other cases there is a combination