Forearm involvement in HMO is considerable.[1][4] Furthermore, short stature may occur and is generally disproportionate. Such manifestations usually result from disruption of physeal growth especially that osteochondromas typically arise at the metaphyseal ends of long bones in close proximity to the physis.[1][4] Intra-articular osteochondromas of the hip can induce limitation of range of motion, joint pain and acetabular dysplasia.[3] Likewise joint pain at other locations and neurovascular compression can occur. Furthermore, functional disability in regard to activities of daily living can be a presenting feature.