A Hard, Bony Lump, Especially If It Is In A Long Bone Or The Pelvis Medical Conditions

Below is a list of potential medical conditions this symptom could be a sign of.


An osteochondroma is the most common type of benign bone tumor. It arises from cartilage tissue in children and adolescents between the ages of 10 and 20, usually appearing on the long bones (arms and legs) and less often on the pelvic bones and wing bones (scapulae)...What is Osteochondroma?